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university of applied sciences gegr. 1970 fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU Aircraft Systems Abbreviations and Acronyms Prof. Dr.-Ing. Dieter Scholz, MSME

Aircraft Systems - HAW Hamburg systems abbreviations and ... abd airbus directives abm abeam abm apu built-up manual abn abnormal abnorm abnormal abs absolute ... acoc air cooled 1

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Page 1: Aircraft Systems - HAW Hamburg systems abbreviations and ... abd airbus directives abm abeam abm apu built-up manual abn abnormal abnorm abnormal abs absolute ... acoc air cooled 1

university of applied sciencesgegr. 1970 fachhochschule hamburg

F A C H B E R E I C H F A H R Z E U G T E C H N I K U N D F L U G Z E U G B A U

Aircraft Systems

Abbreviations and Acronyms

Prof. Dr.-Ing. Dieter Scholz, MSME

Page 2: Aircraft Systems - HAW Hamburg systems abbreviations and ... abd airbus directives abm abeam abm apu built-up manual abn abnormal abnorm abnormal abs absolute ... acoc air cooled 1

2 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

Prof. Dr.-Ing. Dieter Scholz, MSME

Fachhochschule Hamburg

Fachbereich Fahrzeugtechnik und Flugzeugbau

Berliner Tor 5

20099 Hamburg

Tel.: 040 - 709 716 46

Fax: 040 - 709 716 47

E-Mail: [email protected]

WWW: www.ProfScholz.de

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Aircraft Systems - Abbreviations and Acronyms 3

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

A ALPHA

α-FLOOR MAX. ANGLE OF ATTACK, STALL

A / BRK AUTOBRAKE

A / C AIRCRAFT

A / D ANALOG / DIGITAL

A / F AUTO FLIGHT

A / L AIRLINE

A / N ALPHABETICAL / NUMERICAL

A / P AUTOPILOT

A / R APPROVED / REPAIRS

A / R AUDIO REPRODUCER

A / S AIRSPEED

A / S AUTO STABILIZATION

A / SKID ANTISKID

A / T ADJUSTMENT / TEST

A / THR AUTO THROTTLE

A / THR AUTO THRUST (FUNCTION)

A / XMFR AUTO TRANSFORMER

A AMBER

A. M. ABOVE MENTIONED

A. M. ANTE MERIDIAN

AA AIRWORTHINESS AUTHORITIES

AAAH AIRBUS APPROVED ABBREVIATION HANDBOOK

AAC AIRLINE ABBREVIATION CODE

AAD AIRBUS ABBREVIATIONS DICTIONARY

AAL ABOVE AERODROME LEVEL

AAP ADDITIONAL ATTENDANT PANEL

AAP AFT ATTENDANT PANEL

AB ABORT

ABBR ABBREVIATION

ABD AIRBUS DIRECTIVES

ABM ABEAM

ABM APU BUILT-UP MANUAL

ABN ABNORMAL

ABNORM ABNORMAL

ABS ABSOLUTE

ABS AIRBUS STANDARD

ABSORB ABSORBER

ABV ABOVE

ABV ABOVE

AC ADVISORY CIRCULAR

AC AEROPLANE CHARACTERISTICS (FOR AIRPORT PLANNING)

AC ALTERNATE CURRENT

AC ANALOG COMMON

ACA AIRLINE CUSTOMIZATION ANALYSIS

ACAC AIR COOLED AIR COOLER

ACARS AIRCRAFT COMMUNICATION ADDRESSING AND REPORTING SYSTEM

ACAS AIRBORNE COLLISION AVOIDANCE SYSTEM

ACC ACCELERATION

ACC ACCESSORY

ACC ACTIVE CLEARANCE CONTROL

ACC AREA CONTROL CENTER

ACCEL ACCELERATE, ACCELERATION, ACCELEROMETER

ACCL ACCELERATION

ACCLRM ACCELEROMETER

ACCS AVIONICS COOLING CONTROL SYSTEM

ACCU ACCUMULATOR

ACE ALTIMETER CONTROL EQUIPMENT

ACFT AIRCRAFT

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4 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

ACHC AFT CARGO HEAT CONTROLLER

ACIA ASYNCHRONOUS COMMUNICATION INTERFACE ADAPTER

ACID AIRCRAFT IDENTIFICATION

ACID AIRCRAFT TAIL NUMBER

ACK ACKNOWLEDGE

ACM ABBREVIATION COMPONENT MAINTENANCE MANUAL

ACM AIR CYCLE MACHINE

ACM AIRCRAFT CONVERSION MANUAL

ACM APU CONDITION MONITORING

ACMM ABBREVIATION COMPONENT MAINTENANCE MANUAL

ACMS AIRCRAFT CENTRALIZED MAINTENANCE SYSTEM

ACMS AIRCRAFT CONDITION MONITORING SYSTEM

ACN AIRCRAFT CLASSIFICATION NUMBER

ACOB AUTOMATIC CALL OUT BOX

ACOC AIR COOLED 1 OIL COOLER

ACP ALTIMETER CHECK POINT

ACP AREA CALL PANEL

ACP ATTENDANT CONTROL PANEL

ACP AUDIO CONTROL PANEL

ACQ ACQUISITION

ACQ AQUIRE

ACRT ADDITIONAL CROSS REFERENCE PANEL

ACS ACCESS

ACSC AVIONICS COOLING

ACT ACTIVE

ACT ADDITIONAL CENTER TANK

ACTD ACTUATED

ACTG ACTUATING

ACTN ACTION

ACTR ACTUATOR

ACTR AIRCRAFT SYSTEM

ACTVT ACTIVATE

ACU ALPHA CALL UP

ACU ANTENNA COUPLER UNIT

ACV ALTERNATING CURRENT VOLTAGE

ACVR ALTERNATING CURRENT VOLTAGE RATIO

ACW APU CONTROL WORD

ACYC APU START CYCLES

AD AERODROME

AD AIRCRAFT DATUM

AD AIRWORTHINESS DIRECTIVE

ADAU AUXILIARY DATA ACQUISITION UNIT

ADB AREA DISTRIBUTION BOX (AUDIO / VIDEO)

ADBR ARINC DATA BUS READER

ADC AIR DATA COMPUTER

ADC ANALOG / DIGITAL CONVERTER

ADC AUTOMATIC DRIVE CONTROL

ADD ADDITION

ADDR ADDRESS

ADF AUTOMATIC DIRECTION FINDER

ADG AIR DRIVEN GENERATOR

ADI ATTITUDE DIRECTION INDICATOR

ADI ATTITUDE DIRECTOR INDICATOR

ADIRS AIR DATA AND INERTIAL REFERENCE SYSTEM

ADIRU AIR DATA AND INERTIAL REFERENCE UNIT

ADJ ADJUST

ADJMT ADJUSTMENT

ADM AIR DATA MODULE

ADPM AIRCRAFT DEACTIVATION PROCEDURES MANUAL

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Aircraft Systems - Abbreviations and Acronyms 5

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

ADPTN ADAPTION

ADPTR ADAPTER

ADR ADDRESS

ADR ADVISORY ROUTE

ADR AIR DATA REFERENCE

ADR AIRBORNE DATA LOADER

ADRES AIRCRAFT DATA RETRIEVAL SYSTEM

ADRES AIRCRAFT DOCUMENTATION RETRIEVAL SYSTEM

ADRS ADDRESS

ADS AIR DATA SYSTEM

ADS AUTOMATIC DEPENDENT SURVEILLANCE

ADU AIR DATA UNIT

ADU ALIGNMENT DISPLAY UNIT

ADV ADVISORY ADVISORY MESSAGE

AEA ASSOCIATION OL EUROPEAN AIRLINES

AEB AIRLINE ENGINEERING BULLETIN

AECMA ASSOCIATION EUROPE'EN DES CONSTRUCTEURS DE MATERIAL AEROSPATIAL

AEEC AIRLINE ENGINEERING ELECTRONICS COMMITTEE

AEMS AIRCRAFT ELECTRONIC MANAGEMENT SYSTEM

AERO AVIATION ROUTINE WEATHER REPORT

AEVC AVIONICS EQUIPMENT VENTILATION COMPUTER

AEX ACCESS AUTHORIZED

AF ALL FREIGHTER

AF AUDIO FREQUENCY

AF AUTOMATIC FREQUENCY CONTROL

AF DME ARC TO FIXED WAYPOINT

AFB ANTIFRICTION BEARING

AFC AUTOMATIC FLIGHT CONTROL SYSTEM

AFCS AUTOMATIC FLIGHT CONTROL SYSTEM

AFE ANALOG-DIGITAL FRONT END

AFR AIRFRAME

AFRP ARAMID FIBER REINFORCED PLASTIC

AFS AIR FUEL SEPARATOR

AFS AUTOMATIC FLIGHT SYSTEM

AFT AFTWARDS

AFTN AERONAUTICAL FIXED TELECOMMUNICATION NETWORK

AGB ACCESSORY GEAR BOX

AGB APU GENERATOR CONTACTOR

AGB AUXILIARY GENERATOR CONTACTOR

AGC AUTOMATIC GAIN CONTROL

AGCM AIRCRAFT GROUND CHECK MODULE

AGE AIRCRAFT GROUND EQUIPMENT

AGL ABOVE GROUND LEVEL

AGLC APU GENERATOR LINE CONTACTOR

AGMT AUGMENT

AGW ACTUAL GROSS WEIGHT

AH AMPERE HOUR

AHM APU HEALTH MONITORING

AHMS APU HEALTH MONITORING SYSTEM

AHRS APU OPERATING HOURS

AHRS ATTITUDE AND HEADING REFERENCE SYSTEM

AHRU ATTITUDE AND HEADING REFERENCE UNIT

AI AIRBUS INDUSTRY

AIA AEROSPACE INDUSTRIES ASSOCIATION

AIB ATTENDANT INFORMATION BULLETIN

AIC ACCESS ILLUSTRATION CARDS

AICC AVIONICS INDUSTRIES COMPUTER COMMITTEE

AID AIRCRAFT INSTALLATION DELAY

AIDS AIRCRAFT INTEGRATED DATA SYSTEM

AIG ACCIDENT INVESTIGATION

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6 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

AIL AILERON

AIL AIRBUS INFORMATION LETTER

AIM AIRCRAFT INTEGRATED MAINTENANCE

AIMS AIRBUS INVENTORY MANAGEMENT SYSTEM

AIMS AIRCRAFT INTEGRATED MANAGEMENT SYSTEM

AIMS AIRPLANE INFORMATION MANAGEMENT SYSTEM

AIP AIRBUS INDUSTRIES PUBLICATION

AIP ATTENDANT INDICATION PANEL

AIP ATTENDANT INDICATION PANEL

AIP ATTITUDE INDICATOR PANEL

AIRCOND AIR CONDITIONING

AIS AERONAUTICAL INFORMATION SERVICE

AIS AIR INFORMATION SERVICE

AIS AMERICAN IRON AND STEEL INSTITUTE

AIS ANTI ICE SENSOR

AIT AUTOMATIC INTEGRITY TEST

AIU AUDIO INTERFACE UNIT

AIV ANTI-ICE VALVE

ALC ALREADY CONNECT

ALC AUTOMATIC LOAD CONTROL

ALERFA ALERT PHASE

ALF AFT LOOKING FORWARD

ALHP AIRCRAFT LIFE HISTORY PROGRAM

ALI AIRCRAFT LOADABILITY INTERFACE

ALI ALIGNMENT

ALIGN ALIONMENT

ALIM ALIMENTATION (SUPPLY)

ALPH AIRFRAME USE HISTORY PROGRAM

ALPHA ALPHABETICAL

ALPHA ANGLE-OF-ATTACK

ALS APPROACH LIGHT SYSTEM

ALT ALTITUDE

ALT ENGINE ALTERNATOR ROTOR

ALT ENGINE ALTERNATOR STATOR

ALTI ALTIMETER

ALTM ALTIMETER

ALTN ALTERNATE

ALTPN ALTERNATE PART NUMBER

ALTR ALTITUDE RATE

ALTU ANNUNCIATOR LIGHT TEST UNIT

ALU ARITHMETIC AND LOGIC UNIT

AM AMPLITUDE MODULATION

AMAGAS AIRCRAFT MALFUNCTION AND GROUND ACTION SYSTEM

AMB AMBIENT

AMC ACCEPTABLE MEANS OF COMPLIANCE

AMC AERODYNAMIC MEAN CHORD

AMM AIRCRAFT MAINTENANCE MANUAL

AMM AMMETER

AMP AIRLINE MAINTENANCE PROCEDURE

AMP AMPERAGE

AMP AMPERE

AMP AMPLIFIER

AMPL AMPLIFIER

AMS AERONAUTICAL MATERIAL SPECIFICATION

AMS AEROSPACE MATERIAL SPECIFICATION

AMS AIRCRAFT MALFUNCTION SYSTEM

AMS AIRCRAFT MODIFICATION STATUS

AMTOSS AIRCRAFT MAINTENANCE TASK ORIENTED SUPPORT SYSTEM

AMU AUDIO MANAGEMENT UNIT

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Aircraft Systems - Abbreviations and Acronyms 7

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

AMV AIR MODULATING VALVE

AN ALPHABETICAL / NUMERICAL

AN AIR NAVIGATION

AND AIRCRAFT NOSE DOWN

ANI ANALOG INPUT

ANN LT ANNUNCIATOR LIGHT

ANN ANNUNCIATOR

ANNCMT ANNOUNCEMENT

ANNU ANNUNCIATOR

ANO ANALOG OUTPUT

ANPT AERONAUTICAL NATIONAL TAPER PIPE THREADS

ANS AMERICAN NATIONAL STANDARD

ANS AMERICAN NATIONAL STANDARD INSTITUTE

ANS AREA NAVIGATION SYSTEM

ANT AIRCRAFT NOSE UP

ANT ANTENNA

AOA ANGLE OF ATTACK SENSOR

AOA ANGLE OF ATTACK

AOB ANGLE OF BANK

AOC APPROACH ON COURSE

AOG AIRCRAFT ON GROUND

AOL ALL OPERATORS LETTER

AOM AIRCRAFT OPERATING MANUAL

AOT AIRCRAFT OPERATION TEST

AOW ALL OPERATORS WIRE

AP / FD AUTO PILOT / FLIGHT DIRECTOR

AP AUTOPILOT

AP AIRBORNE PRINTER

AP AROMATIC POLYAMIDE (KAPTON TM

)

APC AIRCRAFT POSITIVE CONTROL

APD APPROACH PROGRESS DISPLAY

APEX ADVANCED PROJECT FOR EUROPEAN EXCHANGE

APIC AUXILIARY POWER INTERNATIONAL CORPORATION: SUNSTRAND (USA) & TURBOMECA (FRANCE)

APL AIRPLANE

APM AIRCRAFT PERFORMANCE MONITORING

APM AIRPORT PLANNING MANUAL

APP APPEARANCE

APP APPROACH

APPR APPROACH

APPROX APPROXIMATELY

APPU ASYMMETRY POSITION PICK OFF UNIT

APS AIRCRAFT PREPARED FOR SERVICE

APS AUXILIARY POWER SUPPLY

APS AUXILIARY POWER SYSTEM

APU AUXILIARY POWER UNIT

APURDY APU READY

AR AS REQUIRED

ARALL ARAMID REINFORCED ALUMINUM LAMINATE

ARCCS AUTOMATIC ROTOR CLEARANCE CONTROL SYSTEM

ARG ARRESTING GEAR

ARGA ARINC RECEIVER GATE ARRAY

ARINC AERONAUTICAL RADIO INCORPORATED (SPECIFICATION), AMERICAN RADIO INCORPORATION

ARLL ARAMIDE ALUMINUM LAMINATE

ARM AIRCRAFT RECOVERY MANUAL

ARM ARMED

ARMD ARMED

ARMG ARMING

ARMT ARMAMENT

ARND AROUND

ARO AFTER RECEIPT ORDER

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8 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

ARP AERODROME REFERENCE POINT

ARP AERONAUTICAL RECOMMENDED PRACTICES

ARPT AIRPORT

ARR ARRIVAL

ART ACTIVE REPAIR TIME

ART ARTIFICIAL

ARTCC AIR ROUTE TRAFFIC CONTROL CENTER

ARTF ARTIFICIAL

AS ACCOMPLISHMENT SUMMARY

AS AEROSPACE STANDARD

AS AEROSPATIALE

AS AIRSCOOP

AS AIRSPEED

AS AUTO STABILIZATION

ASA AIRBORNE SEPARATION ASSURANCE

ASA ALL SPEED AILERON

ASAP AS SOON AS POSSIBLE

ASCII AMERICAN STANDARD CODE OF INFORMATION INTERCHANGE

ASD ACCELERATE STOP DISTANCE

ASD AIRLINE SERVICE DATA COLLECTION

ASD AUTO SHUT DOWN

ASE AIRBORNE SUPPORT EQUIPMENT

ASE AMPERES PER SQUARE FOOT

ASI AIRSPEED INDICATOR

ASIC APPLICATION SPECIFIC INTEGRATED CIRCUIT

ASM AIRCRAFT SCHEMATICS MANUAL

ASM AIRLINE SPECIFIC MANUAL

ASM AMERICAN SOCIETY FOR METALS

ASN AEROSPATIALE NORM

ASN APU SERIAL NUMBER

ASP AUDIO SELECTOR PANEL

ASPSU AUTONOMOUS STANDBY POWER SUPPLY UNIT

ASR AIRPORT SURVEILLANCE RADAR

ASSY ASSEMBLY

ASYM ASYMMETRIC

ASYM ASYMMETRICAL

AT ADJUSTMENT / TEST

AT AUTO THROTTLE, AUTO THRUST

ATA AIR TRANSPORT ASSOCIATION OF AMERICA

ATARF ATA - REFERENCE

ATB ATA-BREAKDOWN

ATC AIR TRAFFIC CONTROL

ATC APPROVED TYPE CERTIFICATE

ATCB AIR TRAFFIC CONTROL BOARD

ATCE AIRLINE TEST CELL EQUIPMENT MANUAL

ATCH ATTACH

ATCK ATTACK

ATCRB AIR TRAFFIC CONTROL RADAR BEACON

ATCRBS AIR TRAFFIC CONTROL RADAR BEACON SYSTEM

ATCSS AIR TRAFFIC CONTROL DATA LINK SIGNALING SYSTEM

ATE AUTOMATIC TEST EQUIPMENT

ATEC AUTOMATIC TEST EQUIPMENT COMPLEX

ATF ACTIVITY TEST FAILURE

ATG AIRBUS TERMINOLOGY GLOSSARY

ATH AUTO THROTTLE

ATHR AUTO THRUST

ATI AIR TRANSPORT INDICATOR

ATIS AIR TRAFFIC INFORMATION SYSTEM

ATLAS ABBREVIATED TEST LANGUAGE FOR ALL SYSTEMS

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Aircraft Systems - Abbreviations and Acronyms 9

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

ATM AIR TURBINE MOTOR

ATM AIRCRAFT TRANSPORTABILITY MANUAL

ATM AVAILABLE TON-MILE

ATMS ADVANCED TEXT MANAGEMENT SYSTEM

ATN AERONAUTICAL TELECOMMUNICATION NETWORK

ATO ABORTED TAKE OFF

ATP ACCEPTANCE TEST PROCEDURE

ATPL AIR TRANSPORT PILOTS LICENSE

ATRIM AUTO TRIM

ATS ADMINISTRATIVE TERMINAL SYSTEM

ATS AIR TRAFFIC SECTOR

ATS AIRBUS TECHNICAL SPECIFICATION

ATS AUTO THROTTLE SYSTEM

ATS AUTO THRUST SYSTEM

ATSU AIR TRAFFIC SERVICE UNIT

ATT ATTITUDE

ATTEN ATTENUATION

ATTN ATTENTION

ATTND ATTENDANT

ATZ AERODROME TRAFFIC ZONE

AUD AUDIO

AUTH AUTHORIZE

AUTO AUTOMATIC

AUTOCAL AUTO CALIBRATION

AUTOLAND AUTOMATIC LANDING

AUW ALL-UP WEIGHT

AUX AUXILIARY

AVAIL AVAILABLE

AVG AVERAGE

AVIOLAN AVIONICS LOCAL AREA NETWORK

AVIONICS AVIATION ELECTRONICS

AVL AUTOMATIC VOLUME CONTROL

AVLAN AVIONICS LOCAL AREA NETWORK

AVNCS AVIONICS

AVOD AUDIO-VIDEO ON DEMAND

AVOR AIRWAY-VOR

AVRS AUDIO / VIDEO RECORDING SYSTEM

AWB AIRWAY BILL

AWB AUDIO WARNING BOX

AWG AMERICAN WIRE GAGE

AWG AUDIBLE WARNING GENERATOR

AWL AIRCRAFT WIRING LIST

AWLS ALL WEATHER LANDING SYSTEM

AWM AIRCRAFT WIRING MANUAL

AWS AMERICAN WELDING SOCIETY

AWY AIRWAY

AX ACCESS AUTHORIZED

AX LONGITUDINAL ACCELERATION

AY LATERAL ACCELERATION

AZ AZIMUTH

AZ VERTICAL ACCELERATION

AZFW ACTUAL ZERO FUEL WEIGHT

B BRAVO

B / A BANK ANGLE

B / B BACK BEAM

B / C BAGGAGE CONTAINER

B / C BUSINESS CLASS

B / D BOTTOM OF DESCENT

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10 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

B BLUE

B BOTTOM

BAABI BASIC APPROVED ATA BREAKDOWN INDEX

BAE BRITISH AEROSPACE

BAF BAFFLE

BAFO BEST AND FINAL OFFER

BAL BASIC ASSEMBLY LANGUAGE

BAMC BLEED AIR MONITORING COMPUTER

BARC BAROMETRIC ALTITUDE RATE COMPUTER

BARO BAROMETRIC

BARP BAROMETRIC PRESSURE

BAT BATTERY

BBRG BALL BEARING

BCAS BEACON COLLISION AVOIDANCE SYSTEM

BCD BINARY CODED DECIMAL

BCD BINARY CODED DECIMAL DATA WORD

BCDS BITE CENTRALIZED DATA SYSTEM

BCEPC BALANCE CONTROL ENVELOPE PROTECTION COMPUTER

BCEPS BALANCE CONTROL ENVELOPE PROTECTION SYSTEM

BCL BATTERY CHARGE LIMITER

BCN BEACON

BCU BRAKE CONTROL UNIT

BCV BLEED CONTROL VALVE

BDD BITE DESCRIPTION DOCUMENT

BDDV BRAKE DUAL DISTRIBUTER VALVE

BDLI BUNDESVERBAND DER DEUTSCHEN LUFT- UND RAUMFAHRT -INDUSTRIE

BDY BOUNDARY

BEL CRK BELL CRANK

BEL BEIL

BER BEYOND ECONOMICAL REPAIR

BETW BETWEEN

BEV BEVEL

BEW BASIC EMPTY WEIGHT

BF BROUGHT FORWARD

BFDAS BASIC FLIGHT DATA ACQUISITION SYSTEM

BFE BUYER FURNISHED EQUIPMENT

BFO BEAT FREQUENCY OSCILLATOR

BFR BUFFER

BG BUILT GROUP

BG BUILT GROUP COMPONENT

BGM BOARDING GENERAL MUSIC (BOARDING MUSIC)

BGS BUILT GROUP STACK-UP

BHD BULKHEAD

BIST BUILT IN SELF TEST

BIT BINARY DIGIT

BIT BUILT IN TEST

BITE BUILT IN TEST EQUIPMENT

BIU BITE INTERFACE UNIT

BK BLACK

BK BRAKE

BL BLEED

BLC BATTERY LINE CONTACTOR

BLK BLACK

BLKT BLANKET

BLOW BLOWER

BLST BALLAST

BLST BLEED STATUS

BLT BOLT

BLV BLEED LOAD VALVE (BLEED VALVE)

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Aircraft Systems - Abbreviations and Acronyms 11

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

BM BEAM

BM BUILT-UP MANUAL

BMC BLEED AIR MONITORING COMPUTER

BND BONDED

BNDG BONDING

BNDRY BOUNDARY

BNR BINARY DATA WORD

BO BLOCKING OSCILLATOR

BO BODY ODEUR

BOG BOGIE

BOT BEGIN OF TAPE

BOW BREAK OFF WEIGHT

BPS BITS PER SECOND

BPV BYPASS VALVE

BR BROWN

BRC BRACE

BRD BRAID

BRDG BRIDGE

BRG BEARING

BRK BRAKE

BRKNG BRAKING

BRKR BREAKER

BRKS BRAKES

BRKT BRACKET

BRT BRIGHT, BRIGHTNESS

BS BACKSPACE

BS BRITISH STANDARD

BS BURNER STAGING

BSBV BOOSTER STAGE BLEED VALVE

BSCU BRAKING AND STEERING CONTROL UNIT

BSHG BUSHING

BSI BORESCOPE INSPECTION

BSI BRITISH STANDARDS INSTITUTE

BSV BURNER STAGING VALVE (CFM ENGINE)

BT BUS TIE

BTC BUS TIE CONTACTOR

BTL BOTTLE

BTMU BRAKE TEMPERATURE MONITORING UNIT

BTN BUTTON

BTR BUS TIE RELAY

BTS BLEED TEMPERATURE SENSOR

BTU BUS TERMINATION UNIT

BU BALLAST UNIT

BU BATTERY UNIT

BUS BUS BAR

BW BEAM WIDTH

BYP BYPASS

C CHARLY

C / A CABIN ATTENDANT

C / A COARSE ACQUISITION

C / G CENTER OF GRAVITY

C / L CENTERLINE

C / L CHECKLIST

C / M COMMAND / MONITOR

C / O CARE OFF

C / O CHANGEOVER

C / O CUT OFF

C / P CLEANING PAINTING

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12 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

C / S CALL SIGN

C / S CYCLES PER SECOND

C / SSR COST / SCHEDULE STATUS REPORT

C CHIME

C CLEAR

C CLOSE

C COLD

C COMMON

C COMPARATOR

C CONFIGURATION

C CONVERTIBLE

C CYAN (BLUE)

C FAULT CLASSIFICATION

CA CABIN ADDRESS

CA CABIN ATTENDANT OPERATION MANUAL

CA CABLE

CAA CHROMIC ACID ANODIZING

CAA CIVIL AVIATION AUTHORITIES (GB)

CAATS COMPUTER ASSISTED AIRCRAFT TROUBLE SHOOTING SYSTEM (ON CD ROM)

CAB PRESS CABIN PRESSURE, CABIN PRESSURIZATION

CAB CABIN

CABLAN CABIN LOCAL AREA NETWORK

CAD COMPUTER AIDED DESIGN

CADABAS CIVIL AIRCRAFT DATA BASE SYSTEM

CADAM COMPUTER AUGMENTED DESIGN AND MANUFACTURING

CADC CENTRAL AIR DATA COMPUTER

CADENSICON CAPACITIVE DENSITY CONDENSATOR

CADETS COMPUTER ASSISTED DOCUMENTATION TUTORIAL SYSTEM

CADRA COMPUTER AIDED DRAFTING

CADV CONTROLE AUTOMATIQUE DU VOT (= AFS)

CAI COMBUSTION AREA INSPECTION

CAL CALIBRATION

CAL COCKPIT AMPLIFIER LOUDSPEAKER

CAL COCKPIT AUDIO LOUDSPEAKER

CALC CARGO ACCEPTANCE AND LOAD CONTROL

CAM CABIN ASSIGNMENT MODULE

CAM COMPUTER AIDED MAINTENANCE

CAM COMPUTER AIDED MANUFACTURING

CAM CUSTOMER ACCEPTANCE MANUAL

CAMSOS COMMERCIAL AIRCRAFT MODULAR SIEVE OXYGEN SYSTEM

CAN CANCEL

CAN CANCELLATION

CAN CANOPY

CAN COMMAND ANALOG

CANC CANCEL

CAO CARGO AIRCRAFT ONLY

CAOA CORRECTED ANGLE OF ATTACK

CAOM CABIN ATTENDANT OPERATING MANUAL

CAP CAPACITOR

CAP CAPTURE

CAP COMPUTER AIDED PUBLISHING

CAPLTY CAPABILITY

CAPT CAPTAIN

CAR CARGO

CAR CONTINUING AIRFRAME REVIEW PROGRAM

CARB CARPET

CAS CALIBRATED AIR SPEED, COMPUTED AIR SPEED, CORRECTED AIRSPEED, CALCULATED AIR SPEED

CAS COLLISION AVOIDANCE SYSTEM

CAS COLUMN ADDRESS STROBE

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Aircraft Systems - Abbreviations and Acronyms 13

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

CAT CATEGORY (OF WEATHER FOR LANDING)

CAT CLEAR AIR TURBULENCE

CATH CATEGORY

CATIA COMPUTER AIDED THREE DIMENSIONAL INTERACTIVE

CATIS COMPUTER AIDED TECHNICAL ILLUSTRATION SYSTEM

CAUT LT CAUTION LIGHT

CAUT CAUTION

CB CIRCUIT BREAKER

CB CONVEYOR BELT

CBAL COUNTERBALANCE

CBMS CIRCUIT BREAKER MONITORING SYSTEM

CBMU CIRCUIT BREAKER MONITORING UNIT

CBO CYCLES BETWEEN OVERHAUL

CBORE COUNTER BORE

CBP (HP) COMPRESSOR BLEED PRESSURE

CBSV CYCLES BETWEEN SCHEDULED VISITS

CBSV CYCLES BETWEEN SHOP VISITS

CBT COMPUTER BASED TRAINING

CC CARGO COMPARTMENT

CC CLUB CLASS

CC COMMUNICATION COMPUTER

CC COMPASS COUPLER

CC CONFIDENCE CHECK

CCC CHEMICAL CONVERSION COATING

CCC COMPONENTS CHANGE CARDS

CCC CRASH CREW CART

CCC CRASH CREW CHART

CCDL CROSS CHANNEL DATA LINK

CCG CABIN CONFIGURATION GUIDE

CCIR COMITÉ CONSULTATIF INTERNATIONAL DES RADIO

CCITT COMITÉ CONSULTATIF DE TÉLÉGRAPHIE ET TÉLÉPHONIQUE

CCITT CONSULTATIV COMMITEE ON INTEMATIONAL TELEPHONE AND TELEGRAPHY

CCL CIDS CAUTION LIGHT

CCQ CROSS CREW QUALIFICATION

CCRC CENTER CREW REST COMPARTMENT

CCS CABIN COMMUNICATION SYSTEM

CCS CENTRALIZED CABIN STATION

CCSW CONFIDENCE CHECK SWITCH

CCW COUNTER CLOCK WISE

CD COLD DRAWN

CD COMPACT DISC

CD CONTAINER DOLLY

CD CONTROL DISPLAY

CD CONTROL DRAG

CDE CONSUMPTION DATA EXCHANGE CARD

CDG COMMAND DIGITAL

CDIM COMPONENT DATA INSTRUCTION MANUAL

CDL CONFIGURATION DEVIATION LIST

CDP COMPRESSOR DISCHARGE PRESSURE (HP)

CDP COMPRESSOR DISCHARGE PRESSURE (HP)

CDR CHIP DATA READY

CDR CRITICAL DESIGN REVIEW

CDS COLD DRAWN STEEL

CDS COMPONENT DOCUMENTATION STATUS

CDS COMPRESSOR DISCHARGE SENSOR

CDT COMPRESSOR DISCHARGE TEMPERATURE

CDU CONTROL AND DISPLAY UNIT

CDX CONTROL DIFFERENTIAL TRANSFORMER

CECAM CENTRALIZED CABIN MONITORING

CED COOLING EFFECT DETECTOR

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14 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

CEL COMPONENT EVOLUTION LIST

CEV CLUTCH ELECTRO VALVE

CF CARRIED FORWARD

CF COURSE TO A FIXED WAYPOINT

CFDIU CENTRALIZED FAULT DISPLAY INTERFACE UNIT, CENTRALIZED FAULT DATA INTERFACE UNIT

CFDS CENTRALIZED FAULT AND DISPLAY SYSTEM, CENTRALIZED FAULT DATA SYSTEM

CFE CUSTOM FURNISHED EQUIPMENT

CFIT CONTROLLED FLIGHT INTO TERRAIN

CFLB CARGO FLOOR BEAM

CFM CABLE FABRICATION MANUAL

CFM COMMERCIAL FAN MOTEUR: GENERAL ELECTRIC COMMERCIAL FANS (CF) & SNECMA MOTEURS (M)

CFMI COMMERCIAL FAN MOTEUR INTERNATIONAL: GENERAL ELECTRIC & SNECMA

CFMLR CAM FOLLOWER

CFN CUSTOMERS FLEET NUMBER

CFP COMPUTERIZED FLIGHT PLAN

CFR CODE OF FEDERAL REGULATIONS

CFRP CARBON FIBER REINFORCED PLASTIC

CFS COLD FINISHED STEEL

CG CENTER OF GRAVITY

CGCC CENTER OF GRAVITY CONTROL COMPUTER

CGCS CENTER OF GRAVITY CONTROL SYSTEM

CGFCC CENTER OF GRAVITY AND FUEL CONTROL COMPUTER

CGM COMPUTER GRAPHICS METAFILE

CH CENTER HAT RACK

CH CHAPTER

CH CHARGE

CHAN CHANNEL

CHAS CHASSIS

CHATV CHANNEL ACTIVE

CHC CARGO HEAT CONTROLLER

CHC CONTROL HEATING CARGO COMPARTMENT

CHG CHANGE

CHG-OV CHANGEOVER

CHK CHECK

CHM CHIME

CHMBR CHAMBER

CHNG CHANGE

CHRO CHRONOMETER

CHTAV CARGO HEAT TRIM AIR VALVE

CI CAST IRON

CI CONVERSION INSTRUCTION

CI CORROSION INHIBITOR

CI COST IMROVEMENT

CI COURSE INDICATOR

CI COURSE TO AN INTERCEPT

CIC CAPACITANCE INDEX COMPENSATOR

CICS CUSTOMER INFORMATION CONTROL SYSTEM

CID CERTIFICATION INDEX DOCUMENT

CIDS CABIN INTERCOMMUNICATION DATA SYSTEM

CIM CONTINUOUS IMAGE MICROFILM

CIP (HP) COMPRESSOR INLET PRESSURE

CIS COMPRESSOR INLET SENSOR

CIT (HP) COMPRESSOR INLET TEMPERATURE

CK CHECK

CKD CHECKED

CKPT COCKPIT

CKT CIRCUIT

CL CENTERLINE

CL CHECK LIST

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Aircraft Systems - Abbreviations and Acronyms 15

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

CL CLIMB

CL CLIP

CL CLOUD

CL CLUTCH

CLB CLIMB

CLD CLOSED

CLG CEILING

CLG CENTER LINE LANDING GEAR

CLK CLOCK

CLM COMPONENT LOCATION MANUAL

CLOG CLOGGED

CLP CLAMP

CLP CONTROL LAW PROCESSOR

CLPR CLAPPER

CLR ALT CLEARANCE ALTITUDE

CLR CLEAR

CLRD CLEARED

CLS CARGO LOADING SYSTEM

CLSD CLOSED

CLSG CLOSING

CLTM COMPONENT LOCATION TRAINING MANUAL

CLU CHARGE LIMITER UNIT

CLV CLEVIS

CM CALL MAINTENANCE

CM COLLECTIVE MODIFICATION

CM CONVERSION MANUAL

CM CREW MEMBER

CMC CENTRAL MAINTENANCE COMPUTER

CMD COMMAND

CML CONSUMABLE MATERIAL LIST

CMM CALIBRATION MEMORY MODULE (WBS)

CMM COMPONENTS MAINTENANCE MANUAL

CMOS COMPLEMENTARY METAL OXIDE SEMICONDUCTOR

CMP CUSTOMER MAINTENANCE PROGRAM

CMPLRY COMPLEMENTARY

CMPNT COMPONENT

CMPRD COMPRESSED

CMPS COMPASS

CMPT COMPARTMENT

CMPTD COMPUTED

CMPTG COMPUTING

CMPTR COMPUTER

CMR CERTIFICATION MAINTENANCE REQUIREMENTS

CMRLR CAM ROLLER

CMS CABIN MANAGEMENT SYSTEM

CMS CODE MATERIAL SOCIETY

CMS COMPONENT MAINTENANCE SHEET

CMU COMMUNICATION MANAGEMENT UNIT

CNA COMMON NOZZLE ASSEMBLY

CNCTD CONNECTED

CNCTN CONNECTION

CNCTR CONNECTOR

CNCTRC CONCENTRIC

CNCV CONCAVE

CND CONDUIT

CND SECOND

CNS CIVIL NAVIGATION SYSTEM

CNS COMMUNICATION & NAVIGATION SYSTEM

CNT COUNT

CNTL CONTROL

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16 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

CNTNR CONTAINER

CNTOR CONTACTOR

CNTR COUNTER

CO RTE COMPANY ROUTE

CO RTE COMPANY ROUTE

CO COLOR

CO COMPANY

CO CUT OFF

COC CARE OF CREW

COC CUSTOMER ORIGINATED CHANGES

COD COMPONENTS OPERATING AND STORAGE DATA

CODEP HIGH TEMPERATURE COATING

COHO COHERENT OSCILLATOR

COL COLUMN

COLAN COCKPIT LOCAL AREA NETWORK

COM PASS CONDITION MONITORING & ANALYSIS SOFTWARE SYSTEM (IEA ENG)

COM UNIT COMMAND UNIT

COM COMMAND

COM COMMON

COM COMMUNICATION

COMD COMMAND

COMP COMPASS

COMP COMPENSATOR

COMP COMPRESSED

COMPT TEMP COMPARTMENT TEMPERATURE

COMPT COMPARTMENT

COMPTR COMPARATOR

COMPUT COMPUTER

COMTN COMMUTATION

COND CONDITIONING

CONDTN CONDITION

CONDTR CONDITIONER

CONF CONFERENCE

CONF CONFIGURATION

CONFIG CONFIGURATION

CONT CONTAMINATION

CONT CONTINUE, CONTINUOUS

CONT CONTOUR

CONT CONTROL, CONTROLLER

CONTR CONTROL

CONV CONVERTER

COOL COOLER, COOLING

COORD COORDINATE

COPI COPILOT

CORCTD CORRECTED

CORR CORRECT

CORR CORRUGATE

CORR CORRUGATION

COS COMPRESSOR OUTLET SENSOR

COSL COMPONENT OPERATING STORAGE LIMITS

COT COMPRESSOR OUTLET TEMPERATURE (PACK)

COT COTTER

COV COVER

COWL COWLING

CP CENTER OF PRESSURE

CP CENTRAL PROCESSOR

CP CONTROL PANEL

CPA CLOSEST POINT OF APPROACH

CPC CABIN PRESSURE CONTROLLER

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Aircraft Systems - Abbreviations and Acronyms 17

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

CPCP CORROSION PREVENTION AND CONTROL PROGRAM

CPCS CABIN PRESSURE CONTROL SYSTEM

CPCU CABIN PRESSURE CONTROL UNIT

CPIP CONTINUOUS PRODUCT IMPROVEMENT PACKAGE

CPIP CONTINUOUS PRODUCTION IMPROVEMENT PROGRAM

CPL CONTROL PANEL

CPL COUPLE

CPLD COUPLED

CPLG COUPLING

CPLR COUPLER

CPM CONSUMABLE PRODUCTS MANUAL

CPMS CABIN PASSENGER MANAGEMENT SYSTEM

CPMS CABIN PASSENGER MANAGEMENT SYSTEM UNIT

CPNOH COMPRESSOR PNEUMATIC OVERHEAT SENSOR

CPRSR COMPRESSOR

CPS COMMAND POWER SUPPLY

CPS CYCLES PER SECOND

CPT CAPTAIN

CPT CAPTURE

CPT COCKPIT

CPTR COMPUTER

CPU CENTRAL PROCESSING UNIT

CPU COMMAND PROCESSOR UNIT

CR CARRIAGE RETURN

CR COLD ROLLED

CR CRUISE

CR8 COLD ROLLED STEEL

CRC CAMERA READY COPY

CRC CONTINUOUS REPETITIVE CHIME

CRC CREW REST COMPARTMENT

CRC CYCLIC REDUNDANCY CHECK

CRE CORROSION RESISTANT

CRES CORROSION RESISTANT STEEL

CRF CIRCUIT FAULT

CRG CARGO

CRL COLLAR

CRS COST REPERCUSSION SHEET

CRS COURSE

CRSN CORROSION

CRT CATHODE RAY TUBE

CRT CROSS REFERENCE TABLE

CRU CARD READER UNIT

CRZ CRUISE

CS CALL SWITCH

CS CENTER SPAR

CS CERTIFICATION STANDARD

CSCU CARGO SMOKE CONTROL UNIT

CSD CONSTANT SPEED DRIVE

CSD CONTROL SYNCHRO DIFFERENTIAL

CSDB COMMON SOURCE DATA BASE

CSE COURSE SET ERROR

CSG CONSTANT SPEED GENERATOR

CSI CYCLES SINCE INSTALLATION

CSK COUNTERSINK

CSK COUNTERSINK HEAD

CSL CONSOLE

CSM COMPUTER SOFTWARE MANUAL

CSM CONSTANT SPEED MOTOR

CSM/G CONSTANT SPEED MOTOR / GENERATOR

CSN CATALOG SEQUENCE NUMBER, CHAPTER SEQUENCE NUMBER

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18 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

CSN CYCLES SINCE NEW

CSO CYCLES SINCE OVERHAUL

CSP COMMAND SLAVE PROCESSOR

CSTG CASTING

CSTR CONSTRAINT

CSU COMMAND SENSOR UNIT

CSU CONTROL SENSOR UNIT

CSV CYCLES SINCE LAST SHOP VISIT

CT CATERING TRUCK

CT CENTER TAP

CT CONTROL THERMOSTAT

CT CONTROL TRANSFORMER

CT CURRENT TRANSFORMER

CTA CONTROL AREA

CTC CABIN TEMPERATURE CONTROLLER

CTC CABIN TEMPERATURE CONTROLLER

CTF CENTRAL TEST FACILITY

CTK CAPACITY TON-KILOMETER

CTL PNL CONTROL PANEL

CTL CENTRAL

CTL CONTROL

CTLD CONTROLLED

CTLG CENTER LANDING GEAR

CTLR CONTROLLER

CTR TK XFR VLV CENTER TANK TRANSFER VALVE

CTR XFR VLV CENTER TRANSFER VALVE

CTR CENTER

CTR CONTOUR

CTR CONTROL ZONE

CTRD CENTERED

CTS CLEAR TO SEND

CTS CONTROL TEMPERATURE SENSOR

CTSK COUNTER SUNK

CTWT COUNTER WEIGHT

CU CONTROL UNIT

CUDU CURRENT UNBALANCE DETECTOR UNIT

CUR CURRENCY

CUR CURRENT

CVC CARGO VENTILATION CONTROLLER

CVD CONTROL VALVE DETENT

CVR COCKPIT VOICE RECORDER

CW CLOCK WISE

CW CONTINUOUS WAVE

CW CONTROL WHEEL

CWG COCKPIT WORKING GROUP

CWS CENTRAL WARNING SYSTEM

CWS CONTROL WHEEL STEERING

CX CONTROL TRANSMITTER

CY CALENDAR YEAR

CY CURRENT YEAR

CYAN BLUE

CYL CYLINDER

D DELTA

D & C DELAYS AND CANCELLATIONS

D / A DIGITAL TO ANALOG

D / N DATA BASE NUMBER

D / O DESCRIPTION AND OPERATION

D / R DEACTIVATION / REACTIVATION

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Aircraft Systems - Abbreviations and Acronyms 19

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

D DELETED

D DEMAND

D DIODE

D. A. H. DOWTY AEROSPACE HYDRAULICS

DA DAIMLERCHRYSLER AEROSPACE AIRBUS

DA DRIFT ANGLE

DABS DISCRETE ADDRESS BEACON SYSTEM (ATC MODE 5)

DAC DESIGN APERTURE CARDS

DAC DIGITAL TO ANALOG CONVERTER

DAC DRAWING APERTURE CARD

DADC DIGITAL AIR DATA COMPUTER

DADS DIGITAL AIR DATA SYSTEM

DAF DAMPING ALLEVIATION FUNCTION

DAM DATA ACQUISITION MODULE

DAMP DAMPER

DAMV DOUBLE ANNULAR MODULATING VALVE

DAN DEUTSCHE AIRBUS NORM

DAR DIGITAL ACMS RECORDER

DAR DIGITAL AIDS RECORDER

DASA DEUTSCHE AEROSPACE

DATAC DIGITAL AURONOMOUS TERMINAL ACCESS COMMUNICATION (ARINC629)

DB DATA BIT

DB DATABASE

DBLR DOUBLER

DC DEVICE CONTROL

DC DIGITAL COMMON

DC DIRECT CURRENT

DCD DECODE

DCD DOUBLE CHANNEL DUPLEX

DCDR DECODER

DCF DOCUMENT COMPOSITION FACILITY

DCH DISCHARGE

DCP DISCRETE CODING PANEL

DCPU DATA LINK CONTROL & DISPLAY UNIT

DCS DESIGNATED CERTIFICATION SPECIALIST

DCS DOUBLE CHANNEL SIMPLEX

DCVR DIRECT CURRENT VOLTAGE RATIO

DDA DIGITAL DIFFERENTIAL ACCUMULATION

DDD DESIGN DESCRIPTION DOCUMENT

DDI DESIGN DRAWING INSTRUCTION

DDI DOCUMENTARY DATA INSERT

DDM DEPTH OF DIFFERENTIAL MODULATION

DDM DIGITAL DATA MODULE

DDRMI DIGITAL DISTANCE AND RADIO MAGNETIC INDICATOR

DDS DECLINATION (=VAR)

DDT DOWN LINK DATA TRANSFER

DEC DIGITAL DATA MODULE

DECEL DECELERATE, DECELERATION

DECR DECREASE

DEDP DATA ENTRY AND DISPLAY PANEL

DEF DEFINITION

DEFDARS DIGITAL EXPANDABLE FLIGHT DATA ACQUISITION AND RECORDING SYSTEM

DEFL DEFLECT

DEG C DEGREE CELSIUS

DEG F DEGREE FAHRENHEIT

DEG DEGREE

DEL DELAYS

DEL DELETE

DEL DELETION

DELTA P DIFFERENTIAL PRESSURE

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20 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

DEM DIGITAL ELECTRONIC MODULE

DEMOD DEMODULATOR

DEMUX DEMULTIPLEXER

DEP DATA ENTRY PLUG

DEP DEPARTURE

DEPL DEPLOY

DEPRESS DEPRESSURIZATION

DEPT DEPARTMENT

DES DESCENT

DESC DESCENT

DESCR DESCRIPTION

DEST DESTINATION

DET DETECTION DETECTOR

DET DETENT

DEU DECODER / ENCODER UNIT

DEV DEVIATION

DEVN DEVIATION

DEX ACCESS DEMANDED

DF DIRECTION FINDER

DFA DELAYED FLAPS APPROACH

DFCS DIGITAL FLIGHT CONTROL SYSTEM

DFDAMU DIGITAL FLIGHT DATA ACQUISITION AND MANAGEMENT UNIT

DFDAU DIGITAL FLIGHT DATA ACQUISITION UNIT

DFDR DIGITAL FLIGHT DATA RECORDER

DFDRS DIGITAL FLIGHT DATA RECORDER SYSTEM

DFT DRIFT

DG DIRECTIONAL GYRO

DGA DELEGATION GENERALE POUR L'ARMEMENT

DGAC DIECTION GENERALE DE L'AVIATION CIVILE

DGI DIGITAL INPUT

DGO DIGITAL OUTPUT

DGPS DIFFERENTIAL GLOBAL POSITIONING SYSTEM

DGTL DIGITAL

DH DEADHEAD

DH DECISION HEIGHT

DI DATA INPUT

DI DISPLAY INTERFACE

DI DROP IN

DI DSDL INTERFACE

DIA DIAMETER

DIAPH DIAPHRAME

DIFF DIFFERENTIAL

DIGI DIGITAL INPUT

DIGO DIGITAL OUTPUT

DIL DUAL IN LINE

DIM DIMENSION

DIM DIMMING

DIN DEUTSCHE INDUSTRIE NORM

DIPLXR DIPLEXER

DIR TO DIRECT TO

DIR DIRECT, DIRECTION

DIR DIRECTOR

DIR DIRECTORY

DIS IN DISCRETE INPUT

DIS DISAGREEMENT

DIS DISCRETE

DIS DISPLAY

DISC DISCONNECT

DISCH DISCHARGE

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Aircraft Systems - Abbreviations and Acronyms 21

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

DISCO DISCONNECT

DISCR DISCRIMINATOR

DISCTN DISCONNECTION

DISK DISKETTE

DISRMD DISARMED

DIST DISTANCE

DISTR DISTRIBUTION

DITS DIGITAL INFORMATION TRANSFER SYSTEM (ARINC 429)

DIU DIGITAL INTERFACE UNIT

DL DATA LOADER

DLC DIRECT LIFT CONTROL

DLE DATA LINK ESCAPE

DLF DOCUMENT LIBRARY FACILITY

DLH DEUTSCHE LUFTHANSA

DLS DATA LINK SYSTEM

DLY DELAY

DM DESIGN MANUAL

DMA DIRECT MEMORY ACCESS

DMC DATA MANAGEMENT COMPUTER (AIDS)

DMC DEMAND MEASURING COMPUTER

DMC DESIGN MODIFICATION COMMITTEE

DMC DISPLAY MANAGEMENT COMPUTER (EIS)

DMCU DRAIN MAST CONTROL UNIT

DMD DEMAND

DME DISTANCE MEASUREMENT EQUIPMENT

DMP DISPLAY MANAGEMENT PROCESSOR

DMPR DAMPER

DMU DATA MANAGEMENT UNIT (ACMS)

DMU DATA MANAGEMENT UNIT (AIDS)

DMU DESIGN MOCK-UP

DMU DISPLAY MANAGEMENT UNIT

DN DOWN

DNC DO NOT CORRECT

DNG DATA NO GOOD

DNI DRAWING NUMERICAL INDEX

DNLK DOWNLINK

DNLK DOWNLOCK, DOWNLOCKED

DO DATA OUTPUT

DO DROP OUT

DOA DESIGN ORGANIZATION APPROVAL

DOC DATA DOCUMENTARY DATA

DOC DIRECT OPERATING COSTS

DOC DOCUMENT

DOD DEPARTMENT OF DEFENSE

DOS DISK OPERATING SYSTEM

DOW DRY OPERATING WEIGHT

DP DIFFERENTIAL PROTECTION

DPCT DIFFERENTIAL PROTECTION CURRENT TRANSFORMER

DPI DIFFERENTIAL PRESSURE INDICATOR

DPI DOTS PER INCH

DPL DETAILED PARTS LIST

DPL DURING DEPLOY

DPLD DEPLOYED

DPM DESIGN PROGRAM MEETING

DPSK DIFFERENTIAL PHASE SHIFT KEYING

DPU DISPLAY PROCESSING UNIT

DQL DOCUMENT QUERY LANGUAGE

DR DEAD RECKONING

DR DOOR

DRAM DYNAMIC RANDOM ACCESS MEMORY

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22 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

DRF DRIFT FAILURE

DRG DRAWING

DRIP DESIGN RESPONSE INTENDED FOR PLAYBACK

DRM DUCT REPAIR MANUAL

DRMI DISTANCE RADIO MAGNETIC INDICATOR

DRVG DRIVING

DRVN DRIVEN

DRVR DRIVER

DSAPP DISAPPEARANCE

DSCRM DISCRIMINATOR

DSCRT DISCRETE

DSCS DOOR (AND ESCAPE) SLIDES CONTROL SYSTEM

DSENGD DISENGAGED

DSI DISCRETE INPUT

DSO DISCRETE OUTPUT

DSP DIGITAL SIGNAL PROCESSOR

DSP DISPLAY

DSPL DISPLAY

DSR TK DESIRED TRACK

DT DAR TAPE

DTD DATED

DTE DATA TERMINAL EQUIPMENT

DTG DISTANCE TO GO

DTK DESIRED TRACK

DTMF DUAL TONE MULTIPLE FREQUENCY

DTMS DAMAGE TOLERANCE MONITORING SYSTEM

DTP DESKTOP PUBLISHING

DU DISPLAY UNIT

DUM DUMMY

DV DIRECTEUR DE VOL (= FD)

DVM DIGITAL VOLTMETER

DWG DRAWING

DWN DOWN

DX ACCESS DEMANDED

DYNMTC DYNAMOMETRIC

E ECHO

E / E COMP ELECTRIC AND ELECTRONIC COMPARTMENT

E / R EMITTER / RECEPTOR

E / T ELECTRICAL TRIM

E / W ENGINE / WARNING

E / WD ENGINE AND WARNING DISPLAY

E EAST

EADI ELECTRONIC ATTITUDE DIRECTOR INDICATOR (PFD)

EAPROM ELECTRICALLY ALTERABLE PROGRAMMABLE READ ONLY MEMORY

EAROM ELECTRICALLY ALTERABLE READ ONLY MEMORY

EAS EQUIVALENT AIRSPEED

EAT EXPECTED APPROACH TIME

EBL ELECTRONIC BEARING LINE

EBS ENGINE BUILD SPECIFICATION

EBU ENGINE BUILDUP UNIT

EC ELECTRONIC COMPARTMENT

EC ELECTRONIC CONTROL

EC ENGINE CONTROL

ECAM ELECTRONIC CENTRALIZED AIRCRAFT MONITORING

ECB ELECTRONIC CONTROL BOX (APU)

ECC ENTERTAINMENT CONTROL CENTER

ECDB EQUIPMENT CENTRALIZED DATA BASE

ECDS ELECTRONIC CHART DISPLAY SYSTEM

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Aircraft Systems - Abbreviations and Acronyms 23

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

ECH EMERGENCY CONTROL HANDLE

ECM ENGINE CONDITION MONITORING

ECMS ELECTRICAL CONTACTOR MANAGEMENT

ECMS ENVIRONMENTAL CONDITION MONITORING SYSTEM

ECMU ELECTRICAL CONTACTOR MANAGEMENT UNIT

ECON ECONOMIC / ECONOMY

ECP ECAM CONTROL PANEL

ECP EFIS CONTROL PANEL

ECS ENVIRONMENTAL CONDITIONING SYSTEM

ECS ENVIRONMENTAL CONTROL SYSTEM

ECU AIR ECU AIR EJECTOR SOLENOID

ECU ELECTRONIC CONTROL UNIT (CFM ENGINE)

ECU ELECTRONIC CONTROL UNIT (CFM ENGINE)

ECU ENGINE CONTROL UNIT (CFM ENGINE)

ECUCV ELECTRONIC CONTROL UNIT COOLING VALVE

ECW ENGINE CONTROL WORD

ECYC ENGINE START CYCLES

ED EDGE DISTANCE

EDA ENGINE DEDICATED ALTERNATOR

EDMC ENGINEERING DRAWING MICROFILM CARD

EDP ELECTRONIC DATA PROCESSING

EDP ENGINE DRIVEN PUMP

EDPIS ELECTRONIC DIFFERENTIAL PRESSURE INDICATOR SWITCH

EE ELECTRIC AND ELECTRONIC

EEC ELECTRONIC ENGINE CONTROL (IAE ENGINE)

EEGS EMERGENCY ELECTRICALLY GENERATOR SYSTEM

EEPROM ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY

EEPROM ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY

EFCC ELECTRONIC FLIGHT CONTROL COMPUTER

EFCS ELECTRONIC FLIGHT CONTROL SYSTEM

EFCU ELECTRONIC FLIGHT CONTROL UNIT

EFDU ENGINE FIRE DETECTION UNIT

EFF EFFECTIVE

EFH ENGINE FLIGHT HOURS

EFIS CP EFIS CONTROL PANEL

EFIS SGU EFIS SYBOL GENERATOR UNIT

EFIS ELECTRONIC FLIGHT INSTRUMENT SYSTEM

EFOB ESTIMATED FUEL ON BOARD

EG EXAMPLE GIVEN

EG EXEMPLI GRATIA (LAT), FOR EXAMPLE, FOR INSTANCE

EGC EMERGENCY GENERATOR CONTACTOR

EGCIU ELECTRICAL GENERATOR INTERFACE UNIT (GE ENGINE)

EGCU ELECTRICAL GENERATOR CONTROL UNIT

EGIU ELECTRICAL GENERATION INTERFACE UNIT

EGP EXHAUST GAS PRESSURE

EGT EXHAUST GAS TEMPERATURE

EGTA EXHAUST GAS TEMPERATURE APU

EGTP EGT APU PEAK

EGTR EGT APU REFERENCE

EHA ELECTRO / HYDROSTATIC ACTUATOR

EHF EXTREMELY HIGH FREQUENCY

EHFDP ENGINE HEALTH FIXED DATA PANEL

EHL ELEVATOR HINGE LINE

EHM ENGINE HEALTH MONITORING

EHMS ENGINE HEALTH MONITORING SYSTEM

EHRS ENGINE HOURS (BETWEEN WHEEL OFF / WHEEL ON)

EHRS FLIGHT HOURS ENGINE

EHSI ELECTRONIC HORIZONTAL SITUATION INDICATOR (ND)

EHSV ELECTRO HYDRAULIC SERVO VALVE

EIA ELECTRONIC INDUSTRIES ASSOCIATION

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24 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

EICAS ENGINE INDICATION AND CREW ALERTING SYSTEM

EIPC ENGINE ILLUSTRATED PARTS CATALOG

EIS ELECTRONIC INSTRUMENT SYSTEM

EIS ENGINE INSTRUMENT SYSTEM

EIS ENTRY INTO SERVICE

EIU ELECTRONIC INSTRUMENT UNIT

EIU ENGINE INTERFACE UNIT

EIVMU ENGINE INTERFACE AND VIBRATION MONITORING UNIT

EL ELECTRO LUMINESCENT

EL ELEVATION

EL ELEVATOR

EL EQUIPMENT LIST

ELA ELECTRICAL LOAD ANALYSIS

ELAC ELEVATOR AND AILERON COMPUTER

ELAPS ELAPSED TIME

ELC ELECTRONIC LIBRARY COMPUTER

ELDOR ELECTRONIC DOCUMENT RETRIEVAL

ELEC ELECTRIC / ELECTRICAL

ELECS ELECTRONICS

ELEM ELEMENT

ELEV ELEVATION ELEVATOR

ELM EXTENDED LENGTH MESSAGE

ELS ELECTRONIC LIBRARY SYSTEM

ELT EMERGENCY LOCATOR TRANSMITTER

ELV ELEVATION

EM END OF MEDIUM

EM ENGINE MANUAL

EMC ELECTRO MAGNETIC COMPATIBILITY

EMER GEN EMERGENCY GENERATOR

EMER EMERGENCY

EMF ELECTROMOTIVE FORCE

EMI ELECTRO MAGNETIC INTERFERENCES

EMLS EMERGENCY LIGHTING SYSTEM

EMP ELECTRO MAGNETIC PULSE

EMP EMPENAGE

EMRG EMERGENCY

EMU ENGINE MAINTENANCE UNIT

EMU ENGINEERING MOCK-UP

EN EURO NORM

ENB ENABLE

ENBL ENABLE

ENCD ENCODE

ENCDR ENCODER

ENCL ENCLOSURE

END ENDURANCE

ENG OUT ENGINE OUT

ENG ENGAGE

ENG ENGINE

ENGA ENGAGE

ENGD ENGAGED

ENGR ENGINEER

ENQ ENQUIRE

ENRGZ ENERGIZE

ENT ENTRY

ENTR ENTRANCE

ENV ENVELOPE

EO SID ENGINE OFT STANDARD INSTRUMENT DEPARTURE

EO THR RED ENGINE OTF THRUST REDUCTION

EO THR RED ENGINE OUT THRUST REDUCTION

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Aircraft Systems - Abbreviations and Acronyms 25

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

EO ENGINE OFF

EO ENGINE OUT

EO ENGINEERING ORDER

EOH ENGINE OPERATING HOURS

EOP END OF PART

EOT END OF TAPE

EOT END OFF TRANSMISSION

EP ENTRY PANEL

EPC EXTERNAL POWER CONTACTOR

EPCU EXTERNAL POWER CONTROL UNIT

EPD EXTENDED PRINCIPAL DIAGRAM

EPE ESTIMATED POSITION ERROR

EPGS ELECTRICAL POWER GENERATION SYSTEM

EPLD ELECTRONICALLY PROGRAMMABLE LOGIC DEVICE

EPLD ERASABLE PROGRAMMABLE LOGIC DEVICE

EPR D EPR DESCENT

EPR L EPR LATCH

EPR ENGINE POWER RATIO

EPR ENGINE PRESSURE RATIO (IAE ENGINE)

EPR EXHAUST PRESSURE RATIO

EPRI ENGINE PRESSURE RATIO INDICATION

EPROM ELECTRICALLY PROGRAMMABLE READ ONLY MEMORY

EPROM ERASABLE PROGRAMMABLE READ ONLY MEMORY

EPSU EMERGENCY POWER SUPPLY UNIT

EPU EMERGENCY POWER UNIT

EQ EQUIPMENT

EQID EQUIPMENT IDENTIFIER

EQPT EQUIPMENT

EQT EQUIPMENT

ER ELEVATOR RIB

ER EXPANDED RANGE

ER EXTERNAL POWER

ERL ECONOMIC REPAIR LIFE

ERS ERASE

ERT ENGINE RUNNING TIME

ESC ESCAPE

ESD ELECTRO SENSITIVE DEVICE

ESD ELECTRO STATIC DISCHARGE

ESD ELECTRONIC SYSTEM DISPLAY

ESD ELECTROSTATIC SENSITIVE DEVICE

ESG EQUIPMENT SUPPORT CARGO

ESLB ECAM SYSTEM LOGIC BOOK

ESM ENGINE SHOP MANUAL

ESN ENGINE SERIAL NUMBER

ESP ELECTRICAL STANDARD PRACTICES

ESS ESSENTIAL

EST ESTIMATED

ET ELECTRICAL TRIM

ET ELAPSES TIME

ETA ESTIMATED TIME OF ARRIVAL

ETB END OF TRANSMISSION BLOCK

ETC ESSENTIAL TRANSFER CONTACTOR

ETD ESTIMATED TIME OF DEPARTURE

ETE ESTIMATED TIME EN ROUTE

ETI ELAPSES TIME INDICATOR

ETO ESTIMATED TIME OVER

ETOPS EXTENDED RANGE TWIN ENGINE OPERATION

ETP EQUAL TIME POINT

ETS EQUIPMENT TECHNICAL SPECIFICATION

ETX END OF TEXT

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26 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

EUC ENGINEERING UNIT CONVERSION

EV ELECTRO VALVE

EVAC EVACUATION

EVM ENGINE VIBRATION MONITORING

EVMU ENGINE VIBRATION MONITORING UNIT

EWD ENGINE AND WARNING DISPLAY

EWS ELECTRONIC WARNING SYSTEM

EX EXAMPLE

EX EXTRACTOR

EXC EXCITATION

EXCD EXITED

EXCESS EXCESSIVE

EXCG EXCITING

EXCN EXCITATION

EXEC EXECUTE

EXH EXHAUST

EXP EXPANSION

EXP EXPEDITE

EXPED EXPEDITE

EXPL EXPLOSIVE

EXT EXTENDED

EXT EXTENSION

EXT EXTERIOR

EXT EXTERNAL

EXT EXTINGUISH, EXTINGUISHER, EXTINGUISHING

EXT PWR EXTERNAL POWER

EXTC EXTRACT

EXTCD EXTRACTED

EXTCG EXTRACTING

EXTCN EXTRACTION

EXTD EXTENDED

EXTG EXTENDING

EXTI EXTINGUISH

EXTIG EXTINGUISHING

EXTING EXTINGUISH, EXTINGUISHING

EXTIR EXTINGUISHER

EXTN EXTENSION

EXTR EXTRACTOR

EXTR EXTRUSION

EXTRACT EXTRACTION

EZ ELECTRICAL ZERO

F FOXTROTT

F / C FIRST CLASS

F / C FLIGHT CONTROL

F / C FULLY CLOSED

F / CTL FLIGHT CONTROL

F / D FLIGHT DIRECTOR

F / D FUSELAGE DATUM

F / E FLIGHT ENGINEER

F / O FIRST OFFICER

F / S FAST / SLOW

F / U FOLLOW-UP

F / W FAILURE WARNING

F FAHRENHEIT

F FAULT

F FLAP

F FORWARD

F FREQUENCY

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Aircraft Systems - Abbreviations and Acronyms 27

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

F FUEL

F.DES FINAL DESCENT

FAA FEDERAL AVIATION ADMINISTRATION (USA)

FAC FLIGHT AUGMENTATION COMPUTER

FACS FLIGHT AUGMENTATION COMPUTER SYSTEM

FADEC FULL AUTHORITY DIGITAL ENGINE CONTROL (SYSTEM)

FAF FINAL APPROACH FIX

FAIL FAILED, FAILURE

FAIR FAIRING

FAL FINAL ASSEMBLY LINE

FANS FUTURE AIR NAVIGATION SYSTEM

FAOM FLIGHT ATTENDANT OPERATING MANUAL

FAR FEDERAL AVIATION REGULATIONS (USA)

FAR FORWARD ATTENDANT PANEL

FAR FUEL / AIR RATIO

FAS FLIGHT AUGMENTATION SYSTEM

FAV FAN AIR VALVE

FAWP FINAL APPROACH WAYPOINT

FBS FIXED BASE SIMULATOR

FBW FLY BY WIRE

FC FIRST CLASS

FC FLIGHT CYCLE

FC FREIGHT CONTAINER

FC FULLY CLOSED

FCA FUEL CONTROL ASSEMBLY

FCB FLOOR CROSS BEAM

FCC FLIGHT CONTROL COMPUTER

FCC FORWARD CARGO COMPARTMENT

FCCS FLIGHT CONTROL COMPUTER SYSTEM

FCCU FLIGHT CONTROL COMPUTER UNIT

FCD FLIGHT CONTROL DISPLAY

FCD FULL COLOR DISPLAY

FCDC FLIGHT CONTROL DATA COMPUTER

FCDC FLIGHT CONTROL DATA CONCENTRATOR

FCHC FORWARD CARGO HEAT CONTROLLER

FCMC FLIGHT CONTROL MONITORING COMPUTER

FCMS FUEL CONTROL AND MONITORING COMPUTER

FCMS FUEL CONTROL MANAGING COMPUTER

FCO FUNCTION CODE OUTPUT

FCOC FUEL COOLED OIL COOLER

FCOM FLIGHT CREW OPERATING MANUAL

FCPC FLIGHT CONTROL PRIMARY COMPUTER

FCPI FIIGHT CONTROL POSITION INDICATOR

FCRC FORWARD CREW REST COMPARTMENT

FCSB FLIGHT COMPUTER SYSTEM BUS

FCSC FLIGHT CONTROL SECONDARY COMPUTER

FCST FORECAST

FCTL FLIGHT CONTROL

FCTN FUNCTION

FCU FLIGHT CONTROL UNIT

FCU FLUSH CONTROL UNIT

FCU FUEL CONTROL UNIT

FCV FLOW CONTROL VALVE

FD FLIGHT DIRECTOR

FD FUSELAGE DATUM

FDAU FLIGHT DATA ACQUISITION UNIT

FDB FLOOR DISCONNECT BOX

FDBK FEEDBACK

FDDC FLOPPY DISC DRIVE CONTROL

FDDU FLOPPY DISC DRIVE UNIT

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28 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

FDDVA FLOW DIVIDER AND DRAIN VALVE ASSEMBLY

FDEP FLIGHT DATA ENTRY PANEL

FDIU FLIGHT DATA INTERFACE UNIT

FDR FLIGHT DATA RECORDER

FDS FIRST DELIVERY STANDARD

FDSU FLIGHT DATA STORAGE UNIT

FDU FIRE DETECTION UNIT

FE FLIGHT ENVELOPE

FEC FLIGHT ENVELOPE COMPUTATION

FEP FLUOR ETHYLEN PROPYLEN

FET FIELD EFFECT TRANSISTOR

FEW FUEL EMPTY WEIGHT

FF FORM FEED

FF FUEL FLOW

FFCC FORWARD FACING CREW COCKPIT CONCEPT

FFCCV FAN FRAME COMPRESSOR CASE VIBRATION

FFP FIXED FORM PRICE

FFS FIRST FLIGHT STANDARD

FFS FULL FLIGHT SIMULATOR

FG FLIGHT GUIDANCE

FGC FLIGHT GUIDANCE COMPUTER

FGN FOREIGN

FGS FLIGHT GUIDANCE SYSTEM

FH FLIGHT HOURS

FHD FUEL HYDRANT DISPENSER

FI FAULT ISOLATION

FIC FLIGHT CREW

FIDS FAILURE INFORMATION DETECTION SYSTEM (DISPLAY)

FIDS FAULT INDICATION AND DETECTION SYSTEM

FIDS FAULT ISOLATION & DETECTION SYSTEM

FIFO FIRST IN / FIRST OUT

FIG FIGURE

FIL FILAMENT

FIL FILLET

FILH FILLISTER HEAD

FIM FAULT ISOLATION MANUAL

FIM FAULT ISOLATION MEMORY

FIM FAULT ISOLATION MONITOR

FIN FUNCTIONAL ITEM NUMBER, FUNCTIONAL IDENTIFICATION NUMBER

FIR FLIGHT INFORMATION REGION

FIR FULL INDICATOR READING

FIS FLIGHT INFORMATION SERVICE

FIX APPROACH POINTS (INITIAL, INTERMEDIATE AND FINAL APPROACH FIX)

FIX FIXED

FL CH FLIGHT LEVEL CHANGE

FL FLIGHT LEVEL

FL FLOOD

FL FLOW

FL FLUID

FLA FORWARD LOOKING AFT

FLA FUTURE LARGE AIRCRAFT

FLA.G FLAMMABLE COMPOUND GAS

FLA.G FLAMMABLE LIQUID

FLA.S FLAMMABLE SOLID

FLAG WARNING INDICATION FOR FAILED SYSTEM

FLC FEEL AND LIMITATION COMPUTER

FLDK FLIGHT DECK

FLEX FLEXIBLE

FLG FLANGE

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Aircraft Systems - Abbreviations and Acronyms 29

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

FLH FLAT HEAD

FLIR FORWARD LOOKING INFRARED

FLOW FUEL FLOW METER

FLP FLAP

FLSCU FUEL LEVEL SENSING CONTROL UNIT

FLSS FUEL LEVEL SENSING SYSTEM

FLT CTL FLIGHT CONTROL

FLT FLIGHT

FLTN FLIGHT NUMBER

FLTPH FLIGHT PHASE

FLX / MCT FLEXIBLE TAKE OFF / MAXIMUM CONTINUOUS POWER

FLX TO FLEXIBLE TAKE OFF

FM FLIGHT MANAGEMENT

FM FREQUENCY MODULATION

FMA (APD) FLIGHT MODE ANNUNCIATOR (PANEL)

FMC FLIGHT MANAGEMENT COMPUTER

FMGC FLIGHT MANAGEMENT AND GUIDANCE COMPUTER

FMGEC FLIGHT MANAGEMENT GUIDANCE AND ENVELOPE COMPUTER

FMGES FLIGHT MANAGEMENT GUIDANCE AND ENVELOPE SYSTEM

FMGS FLIGHT MANAGEMENT AND GUIDANCE SYSTEM

FMMS FUEL MANIFOLD MODULATING VALVE

FMS FLIGHT MANAGEMENT SYSTEM

FMU FUEL METERING UNIT

FMV FUEL METERING VALVE

FN ENGINE THRUST

FO FAILED OPEN

FO FULLY OPEN

FOB FUEL ON BOARD

FOC FREE OF CHARGE

FOD FOREIGN OBJECT DAMAGE

FPA FLIGHT PATH ANGLE

FPAC FLIGHT PATH ACCELERATION

FPEEPMS FLOOR PATH EMERGENCY ESCAPE PATH MARKING SYSTEM

F-PLN FLIGHT PLAN

FPPU FEED BACK POSITION PICK-OFF UNIT

FPV FLIGHT PATH VECTOR

FQ FUEL QUANTITY

FQI FUEL QUANTITY INDICATING

FQI FUEL QUANTITY INDICATION

FQI FUEL QUANTITY INDICATOR

FQIC FUEL QUANTITY INDICATION COMPUTER

FQIS FUEL QUANTITY INDICATION SYSTEM

FQU FUEL QUANTITY UNIT

FR FRAME

FREQ FREQUENCY

FRM FAULT REPORTING MANUAL

FRT FRONT

FRTO CITY PAIR FROM / TO

FRV FUEL RETURN VALVE

FSB FASTEN SEAT BELTS

FT / MN FEET PER MINUTE

FT FOOT / FEET

FT FUEL TEMPERATURE

FU FUEL USED

FWC FLIGHT WARNING COMPUTER

FWD FORWARD

FWS FLIGHT WARNING SYSTEM

G GOLF

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30 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

G / A GO AROUND

G / S GLIDE SLOPE

G / S GROUND SPEED

G GAIN

G GREEN

GA GO AROUND

GAL GALLON

GB GREAT BRITAIN

GBX GEARBOX

GCA GROUND CONTROLLED APPROACH

GCU GENERATOR CONTROL UNIT

GE GENERAL ELECTRIC

GEM GROUND BASED ENGINE MONITORING

GEN GENERATOR

GFRP GLASS FIBER REINFORCED PLASTIC

GIC GENERAL INSTRUCTION CARDS

GLA GENERATOR LOAD APU

GLC GENERATOR LINE CONTACTOR

GLE GENERATOR LOAD ENGINE

GLR GENERATOR LINE RELAY

GLS GLIDE SLOPE

GMT GREENWICH MEAN TIME

GND GROUND

GPCU GROUND POWER CONTROL UNIT

GPS GLOBAL POSITIONING SYSTEM (NAVSTAR)

GPWC GROUND PROXIMITY WARNING COMPUTER

GPWS GROUND PROXIMITY WARNING SYSTEM

GRD GROUND

GRND GROUND

GRP GEOGRAPHIC REFERENCE POINT

GRU GROUND REFRIGERATION UNIT

GRVTY GRAVITY

GS GLIDE SLOPE

GS GROUND SPEED

GTCP GAS TURBINE ENGINE COMPRESSOR POWER

GW GROSS WEIGHT

H HOTEL

H HEIGHT

H HOT

H HOUR

HARDOVER UNDESIRED SUDDEN MOVEMENT OF A/C BY FAULTY A/P SIGNAL

HC HARNESS AND CONNECTOR

HC HARNESS CABLE

HCF HEIGHT CYCLE FATIGUE

HCU HYDRAULIC CONTROL UNIT

HDG / S HEADING SELECTED

HDG HEADING

HDL HANDLE

HF HIGH FREQUENCY

HI HIGH

HL HIGHLIGHTS

HLD HOLD

HLDG HOLDING

HLTY HEALTHY

HMU HYDRO MECHANICAL UNIT

HOLD HOLDING

HORI HORIZON

HOT HIGH OIL TEMPERATURE

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Aircraft Systems - Abbreviations and Acronyms 31

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

HP HIGH PRESSURE

HP HORSEPOWER

HPC HIGH PRESSURE COMPRESSOR

HPCR HIGH PRESSURE COMPRESSOR ROTOR

HPSOV HIGH PRESSURE SHUTOFF VALVE

HPT HIGH PRESSURE TURBINE

HPTACC HIGH PRESSURE TURBINE ACTIVE CLEARANCE CONTROL

HPTACCS HIGH PRESSURE TURBINE ACTIVE CLEARANCE CONTROL SYSTEM

HPTC HIGH PRESSURE TURBINE CLEARANCE

HPTCC HIGH PRESSURE TURBINE (ACTIVE) CLEARANCE CONTROL

HPTCCV HIGH PRESSURE TURBINE CLEARANCE CONTROL VALVE

HPTR HIGH PRESSURE TURBINE ROTOR

HPV HIGH PRESSURE VALVE

HSI HORIZONTAL SITUATION INDICATOR

HSMU HYDRAULIC SYSTEM MONITORING UNIT

HUD HEAD UP DISPLAY

HUDC HEAD UP DISPLAY COMPUTER

HV HIGH VOLTAGE

HVPS HIGH VOLTAGE POWER SUPPLY

HYD HYDRAULIC

I INDIA

I / C INSPECTION / CHECK

I / F INPUT PROCESSING & FAULT LOGIC

I / O INPUT / OUTPUT

I / P INPUT

I / P INTERCEPT POINT

I / P INTERCEPT PROFILE

IAE INTERNATIONAL AERO ENGINE: JAEC, ROLLS ROYCE, PRATT & WHIUNEY, MTU, FIAT AVIO

IAF INITIAL APPROACH FIX

IAS INDICATED AIR SPEED

IATA INTERNATIONAL AIR TRANSPORT ASSOCIATION

ICAO INTERNATIONAL CIVIL AVIATION ORGANIZATION

ID IDENTIFICATION

IDENT IDENTIFICATION, IDENTIFIER

IDENT SPECIAL IDENTIFICATION FOR ATC

IDG HX IDG OIL / FUEL HEAT EXCHANGER

IDG INTEGRATED DRIVE GENERATOR

IF INTERMEDIATE FREQUENCY

IFR INSTRUMENT FLIGHT RULES

IFSD IN FLIGHT SHUT DOWN

IGB INLET GEARBOX

IGN IGNITION

IGV INLET GUIDE VANE

IGVA INLET GUIDE VANES ACTUATOR

ILF INPUT LATCHED FAILED

ILS INSTRUMENT LANDING SYSTEM (LOC AND G/S)

IM INNER MARKER

IMC INSTRUMENT METEOROLOGICAL CONDITIONS

IMM IMMEDIATE

IMU INERTIAL MEASUREMENT UNIT

INB INBOUND

INBD INBOARD

INBO INBOARD

INCON CHANNEL IN CONTROL (FADEC)

INCR INCREMENT

INCREM INCREMENT

IND INDICATION, INDICATOR

INFO INFORMATION

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32 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

INHIB INHIBITION

INIT INITIAL, INITIALIZATION

INL INLET

INOP INOPERATIVE

INP INPUT

INR INNER

INS INERTIAL NAVIGATION SYSTEM

INST INSTINCTIVE

INST INSTRUMENTS

INSTR INSTRUMENT

INT INTERPHONE

INTCP INTERCEPT

INTIPF INTERRUPT IN PROGRESS TEST FAILURE

INTM INTERMITTENT

INTPH INTERPHONE

INTRF INTERRUPT RETURN TEST FAILURE

INTRG INTERROGATOR

INU INERTIAL NAVIGATION UNIT

INV INVERTER

IOT IN OPERATING TEST

IP INTERMEDIATE PRESSURE

IPC ILLUSTRATED PARTS CATALOGUE

IPC INTERMEDIATE PRESSURE CHECK VALVE

IPCV INTERMEDIATE PRESSURE BLEED CHECK VALVE

IPPU INSTRUMENTATION POSITION PICK OFF UNIT

IPS INCH PER SECOND

IR INERTIAL REFERENCE

IR INFRARED

IRS INERTIAL REFERENCE SYSTEM

IRU INERTIAL REFERENCE UNIT

ISA INTERNATIONAL STANDARD ATMOSPHERE

ISDU INERTIAL SYSTEM DISPLAY UNIT (IRS)

ISO INTERNATIONAL STANDARDIZATION ORGANIZATION

ISOL ISOLATION

ISS INERTIAL SENSOR SYSTEM

ISU INERTIAL SENSOR UNIT

ISV INERTIAL VERTICAL SPEED

ITEM ILLUSTRATED TOOL AND EQUIPMENT MANUAL

ITF INSTRUCTION TEST FAILURE

IVS INERTIAL VERTICAL SPEED

J JULIETT

J JUNCTION

JAA JOINT AVIATION AUTHORITY (EUROPE)

JAM JAMMED

JAMF JET AIRCRAFT MAINTENANCE FUNDAMENTALS

JAMG JAMMING

JAR JOINT AIRWORTHINESS REQUIREMENTS (REGULATIONS) (EUROPE)

JB JUNCTION BOX

JCT JUNCTION

JFET JUNCTION FIELD EFFECT TRANSISTOR

JIC JOB INSTRUCTION CARDS

JK JACK

JOG JOGGLE

JPD JAMMING PROTECTION DEVICE

K KILO

K / A KEEP A LIVE

K KELVIN

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Aircraft Systems - Abbreviations and Acronyms 33

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

KA CATHODE

KB KILO BYTE (1024 BYTES)

KCAS KNOTS CALIBRATED AIR SPEED

KEAS KNOTS EQUIVALENT AIR SPEED

KRUG KRUGER (KRÜGER)

KT KNOTS

KTS KNOTS

L LIMA

L & M LOGIC AND MONITOR

L & T LOAD AND TRIM

L / D LIFT / DRAG

L / E LEADING EDGE

L / G LANDING GEAR

L / H LEFT HAND

L LAVATORY

L LEFT

L LENGTH

LA LINEAR ACCELEROMETER

LAF LOAD ALLEVIATION FUNCTION

LAT REV LATERAL REVISE

LAT REV LATERAL REVISION

LAT LATITUDE

LATG BODY LATERAL ACCELERATION

LATP PRESENT POSITION LATITUDE

LAV LAVATORY

LBS LATERAL BEAM SENSOR

LBS POUNDS (MASS)

LBSF POUNDS (FORCE)

LC LOAD COMPRESSOR

LCD LIQUID CRYSTAL DISPLAY

LCDT LOAD COMPRESSOR DISCHARGE TEMPERATURE (APU)

LCF LOW CYCLE FATIGUE

LCFS LOAD COMPRESSOR FLOW SENSOR

LCIT LOAD COMPRESSOR INLET TEMPERATURE (APU)

LCN LOAD CLASSIFICATION NUMBER

LCSD LINE CHECK SUPPORTING DATA

LCTR LOCATOR

LCV LOAD CONTROL VALVE

LDCC LOWER DECK CARGO COMPARTMENT

LDG LANDING

LE LEADING EDGE

LED LIGHT EMITTING DIODE

LEP LIST OF EFFECTIVE PAGES

LF LATCHED FAILED

LF LOW FREQUENCY

LFES LANDING FIELD ELEVATION SELECTOR

LG / CTL LANDING GEAR CONTROL

LGCIU LANDING GEAR CONTROL AND INTERFACE UNIT, LANDING GEAR CONTROL AND INDICATING UNIT

LGCPU LANDING GEAR CENTRAL PROCESSING UNIT

LGDW LGCIU DISCRETE WORD

LGPIU LANDING GEAR POSITION INDICATOR UNIT, LANDING GEAR POSITION INTERFACE UNIT

LH LEFT HAND

LHMLG LEFT HAND MAIN LANDING GEAR

LHS LEFT HAND SIDE

LIM LIMIT / LIMITATION

LIS LOCALIZER INERTIAL SMOOTHING

LK LOCK

LL LATITUDE / LONGITUDE

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34 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

LLS LEFT HAND SELECT KEY, LEFT LINE SELECT KEY

LLSK LEFT HAND LINE SELECT KEY

LNAV LATERAL NAVIGATION

LO PR LOW PRESSURE

LO LOW

LOC LOCALIZER

LOGO LOGOGRAM

LONG BODY LONGITUDINAL ACCELERATION

LONG LONGITUDE

LONGN LONGERON

LONP PRESENT POSITION LONGITUDE

LOP LOW OIL PRESSURE

LP VALVE LOW PRESSURE VALVE

LP LOW PRESSURE

LPC LOW PRESSURE COMPRESSOR

LPSOV LOW PRESSURE SHUTOFF VALVE

LPT LOW PRESSURE TURBINE

LPTACC LOW PRESSURE TURBINE ACTIVE CLEARANCE CONTROL

LPTACCS LOW PRESSURE TURBINE ACTIVE CLEARANCE CONTROL SYSTEM

LPTC LOW PRESSURE TURBINE CLEARANCE

LPTCC LOW PRESSURE TURBINE CLEARANCE CONTROL

LPTR LOW PRESSURE TURBINE ROTOR

LRRA LOW RANGE RADIO ALTIMETER

LRU LINE REPLACEABLE UNIT

LS 429 ARINC STANDARD 429, LOW SPEED, 12 - 14 KBAUD

LSA LOW SPEED AILERON

LSB LEAST SIGNIFICANT BIT

LSK LINE SELECT KEY

LSR LAST SIGNIFICANT BIT

LT LIGHT

LTT LEARNING THROUGH TEACHING

LVDT LINEAR VARIABLE DIFFERENTIAL TRANSDUCER (TRANSFORMER)

LVL 1 CH LEVEL CHANGE

LVL LEVEL

LW LANDING WEIGHT

M MIKE

M / P MAINTENANCE PRACTICE, MAINTENANCE PROCEDURE

M MACH NUMBER

M MAGENTA

MAC MEAN AERODYNAMIC CHORD

MAG DEC MAGNETIC DECLINATION

MAG VAR MAGNETIC VARIATION

MAG MAGNETIC

MAGENTA COLOR

MAGN MAGNETIC

MAINT MAINTENANCE

MAN MANUAL

MASI MACH AIRSPEED INDICATOR

MAX CLB MAXIMUM CLIMB

MAX DES MAXIMUM DESCENT

MAX END MAXIMUM ENDURANCE

MAX MAXIMUM

MC MASTER CAUTION

MCD MAGNETIC CHIP DETECTOR

MCDU MULTIFUNCTION CONTROL AND DISPLAY UNIT, MULTIPURPOSE CONTROL AND DISPLAY UNIT

MCL MAXIMUM CLIMB

MCP MODE CONTROL PANEL

MCQ MULTIPLE CHOICE QUESTIONNAIRE

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Aircraft Systems - Abbreviations and Acronyms 35

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

MCT MAXIMUM CONTINUOUS THRUST

MCU MODULAR CONCEPT UNIT

MDA MINIMUM DECISION ALTITUDE

MDA MINIMUM DESCENT ALTITUDE

MDDU MULTIPURPOSE DISK DRIVE UNIT

MDH MINIMUM DECISION HEIGHT

MEC MAIN ENGINE CONTROL

MECH MECHANIC

MED MEDIUM

MEL MINIMUM EQUIPMENT LIST

MES MAIN ENGINE START

MF MEDIUM FREQUENCY

MFA MEMORIZED FAULT ANNUNCIATOR

MH MAGNETIC HEADING

MI MAGNETIC INDICATOR

MIC MICROPHONE

MID MIDDLE

MIL MILITARY INVENTORY (STANDARD) LIST

MIN ALT MINIMUM ALTITUDE

MIN FUEL MINIMUM FUEL

MIN TIME MINIMUM TIME

MIN MINIMUM

MISC MISCELLANEOUS

MKR MARKER (RADIO) BEACON

MLA MANEUVER LOAD ALLEVIATION

MLCV MANIFOLD LEAKAGE CONTROL VALVE

MLG MAIN LANDING GEAR

MLI MAGNETIC LEVEL INDICATOR

MLS MICROWAVE LANDING SYSTEM

MLW MAXIMUM LANDING WEIGHT

MM (AIRCRAFT) MAINTENANCE MANUAL

MM MIDDLE MARKER

MMEL MASTER MINIMUM EQUIPMENT LIST

MMH MAINTENANCE MANHOUR PER OPERATING HOUR

MMI MANUAL MAGNETIC INDICATOR

MMO MAXIMUM OPERATING MACH

MN MACH NUMBER

MN MINUTE

MNF MONITOR FAILURE

MOD MODIFICATION

MODE - S MODE SELECT

MODE A TRANSPONDER MODE A: 4 DIGITS OCTAL CODE TRANSMISSION

MODE B TRANSPONDER MODE B

MODE C TRANSPONDER MODE C: ALTITUDE REPORTING

MODE D TRANSPONDER MODE D

MODE S TRANSPONDER MODE S: SELECTIVE, NECESSARY FOR TCAS

MON MONITOR, MONITORED, MONITORING

MONG MONITORING

MOP MAIN OIL PRESSURE

MOP MAXIMUM OIL PRESSURE

MOP MINIMUM OIL PRESSURE

MOT MOTOR

MOT MOTOR OIL TEMPERATURE

MP MAINTENANCE PRACTICE, MAINTENANCE PROCEDURE

MPD MAINTENANCE PLANNING DOCUMENT

MPDS MAINTENANCE PLANNING DATA SUPPORT

MRB MAINTENANCE REVIEW BOARD

MRBD MAINTENANCE REVIEW BOARD DOCUMENT

MRDS MAINTENANCE AND RECORDING DATA SYSTEM

MRIU MAINTENANCE AND RECORDING INTERFACE UNIT

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36 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

MS MILITARY SPECIFICATION, MILITARY STANDARD

MSA MINIMUM SAFE ALTITUDE

MSB MOST SIGNIFICANT BIT (BYTE)

MSDS MATERIAL SAFETY DATA SHEET

MSG MESSAGE

MSL MEAN SEA LEVEL

MSN MANUFACTURER SERIAL NUMBER

MSTR MASTER

MSU MODE SELECTOR UNIT (IRS)

MTBF MEAN TIME BETWEEN FAILURES

MTBR MEAN TIME BETWEEN REMOVALS

MTBUR MEAN TIME BETWEEN UNSCHEDULED REMOVAL

MTG MOUNTING

MTI MOVING TARGET INDICATOR

MTI MULTI TANK INDICATOR

MTOGW MAXIMUM TAKE OFF GROSS WEIGHT

MTOP MAINTENANCE TASK OPERATING PLAN

MTOW MAXIMUM TAKE OFF WEIGHT

MTP MAINTENANCE AND TEST PANEL (AFS)

MTS MAINTENANCE TRAINING SIMULATOR

MTSC MAINTENANCE TRAINING SUB - COMMITEE

MTW MAXIMUM TAKE OFF WEIGHT

MU MANAGEMENT UNIT

MUX MULTIPLEX, MULTIPLEXER

MW MAINTENANCE WORD

MW MASTER WARNING

MZFW MAXIMUM ZERO FUEL WEIGHT

N NOVEMBER

N / A NOT APPLICABLE

N / W NOSE WHEEL

N I WS NOSE WHEEL STEERING

N NORMAL

N NORTH

N ROTATION SPEED IN RPM OR %

N1 ENGINE FAN SPEED, LOW PRESSURE ROTOR SPEED

N1ACT N1 ACTUAL

N1C N1 COMMAND

N1CMD N1 COMMAND

N1MX N1 MAXIMUM

N2 HIGH PRESSURE ROTOR SPEED, CORE SPEED

N2ACT N2ACTUAL

NA NOT AVAILABLE

NA NOT REQUIRED

NA RPM (APU)

NAC NACELLE

NACA NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS

NAS NATIONAL AEROSPACE STANDARDS

NAV NAVIGATION

NAVAID NAVIGATION AID

NBPT NO BRAKE POWER TRANSFER

NC NORMALLY CLOSED

NCD NON COMPUTED DATA

ND NAVIGATION DISPLAY

NDB NON DIRECTIONAL BEACON

NDT NON DESTRUCTIVE TEST

NEG NEGATIVE

NFC NOT FULLY CLOSED

NFO NOT FULLY OPEN

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Aircraft Systems - Abbreviations and Acronyms 37

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

NGV NOZZLE GUIDE VANE (APIC APU)

NIL N1 LIMIT

NLG NOSE LANDING GEAR

NM NAUTICAL MILES

NMI NAUTICAL MILE

NO NORMALLY OPEN

NO NUMBER

NORM NORMAL

NOVRAM NON VOLATILE READ ONLY MEMORY

NPA N APU PEAK

NRV NON RETURN VALVE

NS / FSB PANEL NO SMOKING / FASTEN SEAT BELT PANEL

NS NO SMOKING

NSS NEUTRAL SHIFT SENSOR

NTC NEGATIVE TEMPERATURE COEFFICIENT

NTM NON-DESTRUCTIVE TEST MANUAL

NTSB NATIONAL TRANSPORTATION SAFETY BOARD (USA)

NTSC NATIONAL TELEVISION STANDARDS COMMITTEE

NUM NUMERICAL

NVM NON VOLATILE MEMORY

NW NOSE WHEEL

O OSCAR

O / C OPEN CIRCUIT

O / F OUTPUT PROCESSING & FAULT LOGIC

O / P OUTPUT

O / V OUT FLOW VALVE

O2 OXYGEN

OAP OUTSIDE AIR PRESSURE

OAT OUTSIDE AIR TEMPERATURE

OBD OVERBOARD

OBRM ON BOARD REPLACEABLE MODULE (MEMORY)

OBSV OBSERVATION

OC ON COURSE

OCCPNT OCCUPANT

OCR OPTICAL CHARACTER READING

OEB OPERATIONS ENGINEERING BULLETIN

OFF / R OFF / RESET

OFFR OFF / RESET

OFST OFFSET

OGV OUTLET GUIDE VANE

OHSC OVERHEAD STOWAGE COMPARTMENTS

OHU OPTICAL HEAD UNIT

OI OPERATING INSTRUCTIONS

OIK OIL QUANTITY CORRECTED

OIL HX ENGINE OIL HEAT EXCHANGER

OIP OIL PRESSURE

OIQ OIL QUANTITY

OIQH OIL CONSUMPTION

OIT OIL TEMPERATURE

OK CORRECT

OLMS OPERATIONAL LOADS MONITORING SYSTEM

OM OUTER MARKER

OMS ONBOARD MAINTENANCE SYSTEM

ONS OMEGA NAVIGATION SYSTEM

OPER OPERATING, OPERATION, OPERATIVE

OPP OPPOSITE

OPS OPERATION

OPT OPTIMUM

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38 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

OPV OVER PRESSURE VALVE

ORM ONBOARD REPLACEABLE MODULE

OS OVER SPEED

OSG OVER SPEED GOVERNOR

OSH ON BOARD SOFTWARE HANDLING

OSS OVER STATION SENSOR

OT OVER TEMPERATURE

OTA OIL SUMP TEMPERATURE (APU)

OUT OUTLET

OUTB OUTBOUND

OUTBD OUTBOARD

OUTR OUTER

OV OUT FLOW VALVE

OV OVER

OVBD OVERBOARD

OVHD OVERHEAD

OVHT OVERHEAT

OVP OUTFLOW VALVE POSITION

OVP OVER PRESSURE

OVP OVER PRESSURE VALVE

OVPRESS OVER PRESSURE

OVRD OVERRIDE

OVSP PROT OVER SPEED PROTECTION

OVSPD OVER SPEED

OXY OXYGEN

P PAPA

∆P DIFFERENTIAL PRESSURE

P - ALT PROFILE ALTITUDE

P - CLB PROFILE CLIMB

P - DES PROFILE DESCENT

P - MACH PROFILE MACH

P - SPEED PROFILE SPEED

P / B PUSH BUTTON (SWITCH)

P / BSW PUSH BUTTON SWITCH

P / C PRESSURE CASE

P / N PART NUMBER

P / RST PUSH TO REST

P0 AMBIENT STATIC AIR PRESSURE

PA PASSENGER ADDRESS / PUBLIC ADDRESS

PAM PULSE AMPLITUDE MODULATION

PAMB PRESSURE AMBIENT

PAR PRECISION APPROACH RADAR

PARK PARKING

PAS PATH ATTITUDE SENSOR

PAS PITCH ATTITUDE SENSOR

PAX PASSENGERS

PB BURNER PRESSURE

PB PRESSURE BYPASS

PB PUSH BUTTON (SWITCH)

PBE PROTECTIVE BREATHING EQUIPMENT

PBV PACK BYPASS VALVE

PC / PB PRESSURE COMPRESSOR / PRESSURE BURNER

PC PRESSURE CASE

PCB PRINTED CIRCUIT BOARD

PCE PRE COOLER ENTRANCE

PCM PULSE CODE MODULATION

PCR PRESSURE CASE REGULATED

PCSW PITCH CONTROL WHEEL STEERING

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Aircraft Systems - Abbreviations and Acronyms 39

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

PCU POWER CONTROL UNIT

PD PRE COOLER INLET PRESSURE

PDU PILOT DISPLAY UNIT

PDU POWER DRIVE UNIT

PED PEDESTAL

PERF PERFORMANCE

PES CTRL PASSENGER ENTERTAINMENT SYSTEM CONTROLLER

PES PASSENGER ENTERTAINMENT SYSTEM

PF PILOT FLYING

PFD PRIMARY FLIGHT DISPLAY

PFDVC PRESSURE FLOW DIVIDER VALVE CARTRIDGE

PFR POST FLIGHT REPORT

PG PAGE

PH POUNDS PER HOUR

PHC PROBE HEAT COMPUTER

PIPC POWER PLANT ILLUSTRATED PARTS CATALOG

PIREP PILOT REPORTS

PIU PASSENGER INFORMATION UNIT

PLD PROGRAMMABLE LOGIC DEVICE

PMA PERMANENT MAGNETIC ALTERNATOR

PMC POWER MANAGEMENT CONTROL

PMDB PRODUCTION MANAGEMENT DATA BASE

PMG PERMANENT MAGNETIC GENERATOR

PMR PERFORMANCE MAINTENANCE RECORDER

PMUX POWER MULTIPLEXER, POWER PLANT MULTIPLEXER

PN PART NUMBER

PNEU PNEUMATIC

PNF PILOT NON FLYING

PNL PANEL

POB PRESSURE OFF BRAKE

POS POSITION

POSN POSITION

POT POTENTIOMETER

PPH POUNDS PER HOUR

PPI PLANNED POSITION INDICATOR

PPM PULSE POSITION MODULATION

PPOS PRESENT POSITION

PPS POUNDS PER SECOND

PPU POSITION PICK OFF UNIT

PR PRESSURE

PR REGULATED PRESSURE (DOWNSTREAM OF BLEED VALVE)

PRAM PRERECORDED ANNOUNCEMENT MONITOR

PRE FLT PRE FLIGHT

PRECOOL PRE COOLER

PRED PREDICTION

PREREC PRE RECORDED

PRESEL PRESELECTOR

PRESS PRESSURE, PRESSURIZATION

PREV PREVIOUS (PAGE)

PREV PREVISION

PRIM FLIGHT CONTROL PRIMARY COMPUTER (FCPC)

PRIM PRIMARY

PROC T PROCEDURE TURN

PROC PROCEDURE

PROF PROFILE (VERTICAL)

PROG PROGRESS

PROM PROGRAMMABLE READ ONLY MEMORY

PROT PROTECTION

PROTEC PROTECTION

PROX SNSR PROXIMITY SENSOR

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40 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

PROX PROXIMITY

PRSOV PRESSURE RAISING AND SHUTOFF VALVE

PRTR PRINTER

PRV PRESSURE REGULATOR VALVE

PS POWER SECTION

PS PUMP SUPPLY PRESSURE

PSB BEARING PRESSURE

PSC PRE SET COURSE

PSCU PROXIMITY SWITCH CONTROL UNIT

PSH PRE SET HEADING

PSI POUNDS PER SQUARE INCH (14.5 PSI = 1 BAR)

PSIA POUNDS PER SQUARE INCH ABSOLUTE

PSID POUNDS PER SQUARE INCH DIFFERENTIAL

PSIG POUNDS PER SQUARE INCH GAUGE

PSIU PASSENGER SERVICE AND INFORMATION UNIT

PSNSRF PRESSURE SENSOR FAILURE

PSR PRIMARY SURVEILLANCE RADAR

PSRM POWER PLANT STRUCTURAL REPAIR MANUAL

PSS PASSENGER SERVICE SYSTEM

PSS PRESSURE SUB SYSTEM (ECU)

PSU PASSENGER SERVICE UNIT

PSW PRESSURE SWITCH

PT POINT

PT TOTAL AIR PRESSURE

PTC POSITIVE TEMPERATURE COEFFICIENT

PTCH PITCH ANGLE

PTCR BODY AXIS PITCH RATE

PTFE TEFLON

PTP PROGRAMMING AND TEST PANEL

PTR PRINTER

PTT PUSH TO TALK

PTU POWER TRANSFER UNIT (HYDRAULIC)

PU POWER UNIT

PUT POWER UP TEST

PW PRATT AND WHITNEY

PWA PRINTED WIRING ASSEMBLY

PWM PULSE WIDTH MODULATOR

PWR SPLY POWER SUPPLY

PWR POWER (ENGINE, ELECTRIC, HYDRAULIC, PNEUMATIC)

Q D QUICK DONNING

Q QUEBEC

QAD RING QUICK ATTACH DETACH RING

QAD QUICK ATTACH DETACH

QAR QUICK ACCESS RECORDER

QDM MAGNETIC DIRECTION TO STATION

QDR TRUE DIRECTION FROM STATION

QEC QUICK ENGINE CHANGE

QFE FIELD ELEVATION ATMOSPHERE PRESSURE

QFF RUNWAY HEADING

QFU RUNWAY HEADING

QNE SEA LEVEL STANDARD ATMOSPHERE PRESSURE (1013.25 HPA)

QNH SEA LEVEL ATMOSPHERE PRESSURE

QTE TRUE DIRECTION TO STATION

QTY QUANTITY

QUJ MAGNETIC DIRECTION FROM STATION

R ROMEO

R / A RADIO ALTIMETER, RADIO ALTITUDE, RADIO HEIGHT

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Aircraft Systems - Abbreviations and Acronyms 41

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

R / D REFUEL / DEFUEL

R / H RIGHT HAND

R / I RADIO / INERTIAL

R / I REMOVAL / INSTALLATION

R / L READING LIGHT

R RED

R REVISED (PAGES)

R RIGHT

RA RADIO ALTIMETER, RADIO ALTITUDE, RADIO HEIGHT

RA RESOLUTION ADVISORY (TCAS)

RAC / SB ROTOR ACTIVE CLEARANCE / START BLEED

RAC ROTOR ACTIVE CLEARANCE

RACC ROTOR ACTIVE CLEARANCE CONTROL

RACCS ROTOR ACTIVE CLEARANCE CONTROL SYSTEM

RAD / ALT RADIO ALTIMETER

RAD RADIO

RADAR RADIO DETECTING AND RANGING

RAI RAM AIR INLET (PACK)

RALR RADIO ALTITUDE RATE

RALT RADIO ALTITUDE

RAM RANDOM ACCESS MEMORY

RAO RAM AIR OUTLET (PACK)

RAT RAM AIR TURBINE

RC REPETITIVE CHIME

RCCB REMOTE CONTROL CIRCUIT BREAKER

RCDR RECORDER

RCL RECALL

RCPT RECEPTACLE

RCPTN RECEPTION

RCVR RECEIVER

RCWS ROLL CONTROL WHEEL STEERING

RD RIGHT DISPLAY

RDDMI RADIO DIRECTION DISTANCE MAGNETIC INDICATOR

RDS DRIVE SHAFT HOUSING

REC RECOVERY

RECIRC RECIRCULATION

RECT RECTIFIER

REF REFERENCE

REFUEL REFUELING

REG REGULATOR, REGULATION

REL RELEASE

RET RETURN

RETRD RETRACTED

REV REVERSE

RF RADIO FREQUENCY

RFI REQUEST FOR INFORMATION

RH RIGHT HAND

RHMLG RIGHT HAND MAIN LANDING GEAR

RHS RIGHT HAND SIDE

RI RAM AIR INLET DOOR (PACK)

RIL RETROFIT INFORMATION LETTER

RLS RIGHT LINE SELECT KEY

RLSK RIGHT LINE SELECT KEY

RLY RELAY

RMI RADIO MAGNETIC INDICATOR

RMP RADIO MANAGEMENT PANEL

RMS ROOT MEANS SQUARE

RMU RADIO MAGNETIC UNIT

RMU RADIO MANAGEMENT UNIT

RNAV AREA NAVIGATION

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42 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

RNG RANGE

RO RAM AIR OUTLET DOOR (PACK)

ROLL ROLL ANGLE

ROLR BODY AXIS ROLL RATE

ROM READ ONLY MEMORY

ROR RECORD OF REVISIONS

RPLNT RAIN REPELLENT

RPLNT REPELLENT

RPM REVOLUTIONS PER MINUTE

RPT REGULATED PRESSURE TRANSDUCER

RPT REPORT

RPTG REPEATING

RPU RESERVOIR PRESSURIZATION UNIT

RQRD REQUIRED

RSV RESERVE

RSVR RESERVOIR

RT RECEIVER - TRANSMITTER

RT RUDDERTRIM

RTD RESISTANCE TEMPERATURE DETECTOR

RTD RESISTANCE TEMPERATURE DETECTOR (SENSOR)

RTD RESISTANCE TEMPERATURE DEVICE

RTD RESISTIVE THERMAL DEVICE

RTE ROUTE

RTL RUDDER TRAVEL LIMITATION

RTOK RETEST OK, TEST RESULT OK

RTS RETURN TO SEAT

RTV ROOM TEMPERATURE VULCANIZING (MATERIAL)

RUD RUDDER

RUDD RUDDER

RUDT RUDDER TRIM

RVDT ROTARY VARIABLE DIFFERENTIAL TRANSDUCER (TRANSFORMER)

RVR RUNWAY VISUAL RANGE

RVS REVERSE

RWY RUNWAY

RX TORQUE RECEIVER SYNCHRO

S SIERRA

S / C STEP CLIMB

S / D SHUTDOWN

S / D STEP DESCENT

S / F SLATS / FLAPS

S / N SERIAL NUMBER

S / R SERVICE REQUEST

S / V SHOP VISIT

S MINIMUM SLAT RETRACT SPEED

S SERVICING

S SOUTH

SAL SYSTEM ADDRESS LABEL

SAR SEARCH AND RESCUE

SAR SMART AIRBORNE RECORDER

SASPO SOON AS POSSIBLE

SAT STATIC AIR TEMPERATURE

SAV STARTER AIR VALVE

SB SERVICE BULLETIN

SC SELECTED AFT CABIN COMPARTMENT TEMPERATURE

SC SINGLE CHIME

SCAV SCAVENGE

SCN SPECIFICATION CHANGE NOTICE

SCV SOLENOID CONTROLLED VALVE

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Aircraft Systems - Abbreviations and Acronyms 43

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

SCV SURGE CONTROL VALVE

SD SHUTDOWN

SD SUPPORTING DATA

SD SYSTEM DISPLAY

SDAC SYSTEM DATA ACQUISITION CONCENTRATOR

SDCU SMOKE DETECTION CONTROL UNIT

SDI SOURCE DATA IDENTIFIER

SDN SHUTDOWN

SDN SYSTEM DESCRIPTION NOTE

SEC FLIGHT CONTROL SECONDARY COMPUTER (FCSC)

SEC SECONDARY

SEC SPOILER ELEVATOR COMPUTER

SECT SECTION

SEL SELECT, SELECTED, SELECTOR

SELCAL SELECTIVE CALLING SYSTEM

SENS SENSITIVITY

SERVO HX SERVO FUEL HEATER

SFC SPECIFIC FUEL CONSUMPTION

SFCC SLAT AND FLAP CONTROL COMPUTER

SFE SELLER FURNISHED EQUIPMENT

SG SPECIFIC GRAVITY

SGU SYMBOL GENERATOR UNIT

SHDBL SHEDDABLE

SHED SHEDDING

SHF SUPER HIGH FREQUENCY

SHP SHAFT HORSE POWER

SIC SYSTEM ISOLATION CONTACTOR

SID STANDARD INSTRUMENT DEPARTURE (PROCEDURE)

SIG SIGNAL

SIL SERVICE INFORMATION LETTER

SIL SPEECH INTERFACE LEVEL

SIM SIMULATION

SLFT SEA LEVEL FEET

SLS SEA LEVEL STANDARD (1013.25 HPA)

SLS SIDE - LOBE SUPPRESSION

SLT SLAT

SM SCHEDULED MAINTENANCE

SM STATUS MATRIX

SMP SOFTWARE MANAGEMENT PLAN

SMP SUMP

SMR SCHEDULED MAINTENANCE REPORT

SN SERIAL NUMBER

SNECMA SOCIÉTÉ NATIONAL D'ETUDE ET DE CONSTRUCTION DE MONTEURS D'AVIATION

SNSG SENSING

SNSR SENSOR

SO SHUT OFF

SOL VLV SOLENOID VALVE

SOL SOLENOID

SOTM SYSTEM OPERATION TRAINING MANUAL

SOV SHUT OFF VALVE

SPD BRK SPEED BRAKE

SPD LIM SPEED LIMIT

SPD SPEED

SPEC SPECIFICATION

SPFL SPRING FAILED

SPI ADDITIONAL PULSE FOR IDENT (ATC)

SPIP IDENT PULSE

SPKR SPEAKER

SPL SOUND PRESSURE LEVEL

SPLR SPOILER

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44 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

SPLY SUPPLY

SPM STANDARD PRACTICES MANUAL

SPS SUNDSTRAND POWER SYSTEM

SQ SQUELCH

SR SERVICE REQUEST

SRM STRUCTURAL REPAIR MANUAL

SRS SPEED REFERENCE SYSTEM

SRS SPEED REFERENCE SYSTEM

SSB SINGLE SIDE BAND

SSC SINGLE STROKE CHIME

SSEC STATIC SOURCE ERROR CORRECTION

SSLC SINGLE SHAFT LOAD COMPRESSOR

SSM SIGN STATUS MATRIX

SSR SECONDARY SURVEILLANCE RADAR

SSTU SIDE STICK TRANSDUCER UNIT

SSV SOLENOID SERVO VALVE

STA APU START TIME

STA STATION

STAB STABILIZER, STABILIZATION

STALL BREAKDOWN OF LIFT, SPEED BELOW MINIMUM SPEED

STAR STANDARD TERMINAL ARRIVAL ROUTE

STARTER ENGINE AIR STARTER

STARTG STARTING

STAT INV STATIC INVERTER

STAT STATIC

STBY STANDBY

STD STANDARD

STD STANDARD (ATMOSPHERIC PRESSURE, 1013.25 HPA, TEMPERATURE 15 °C)

STDBY STANDBY

STEER STEERING

STGR STRINGER

STRG STEERING

STS STATUS

STX START OF TEXT

SV SERVO VALVE

SV SHOP VISIT

SV SOLENOID VALVE, SOLENOID CONTROLLED VALVE

SVA STATOR VANE ACTUATOR

SVCE SERVICE

SVR SHOP VISIT RATE

SW SOFTWARE

SW STATUS WORD

SW SWITCH

SWTG SWITCHING

SYM SYMMETRY

SYNC SYNCHRONIZE

SYS SYSTEM

T TANGO

T / C THERMOCOUPLE

T / C TOP OF CLIMB

T / D TOP OF DESCENT

T / E TRAILING EDGE

T / O TAKE OFF

T / R THRUST REVERSER, REVERSE THRUST

T / REV THRUST REVERSER

T TOTAL

T TRUE

T TURN

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Aircraft Systems - Abbreviations and Acronyms 45

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

TA TRAFFIC ADVISORY

TA TRAFFIC ALERT (TCAS)

TACAN TACTICAL AIRCRAFT NAVIGATION

TACT TACTICAL

TAPRV TRIM AIR PRESSURE REGULATING VALVE

TAS TRUE AIRSPEED

TAT TOTAL AIR TEMPERATURE

TAT TURN AROUND TIME

TAV TRIM AIR VALVE

TBC TO BE CONFIRMED

TBD TO BE DETERMINED

TC HIGH PRESSURE TURBINE CASE TEMPERATURE

TC THERMO CONNECTOR

TC THERMOCOUPLE

TCAS TRAFFIC COLLISION ALERT SYSTEM OR THREAT-ANALYSIS SYSTEM OR

TCAS TRAFFIC COLLISION AVOIDANCE SYSTEM OR THREAT ALERT AND COLLISION AVOIDANCE SYSTEM

TCC THRUST CONTROL COMPUTER

TCC TURBINE CASE COOLED TEMPERATURE

TCC TURBINE CLEARANCE CONTROL

TCFL THERMO COUPLE FAILED

TCJC THERMOCOUPLE COLD JUNCTION TEMPERATURE

TCT TEMPERATURE CONTROL THERMOSTAT

TCV TEMPERATURE CONTROL VALVE

TD TIME DELAY

TDC TIME DELAY CLOSING

TDO TIME DELAY OPENING

TE TRAILING EDGE

TEC TURBINE EXHAUST CASE

TECU ELECTRONIC CONTROL UNIT INTERNAL TEMPERATURE

TEMP TEMPERATURE

TEO TEMPERATURE ENGINE OIL

TFU TECHNICAL FOLLOW UP

TGB TRANSFER GEARBOX

TGT TARGET

THDG TRUE HEADING

THP HIGH PRESSURE FUEL TEMPERATURE

THR THRUST

THS TRIMMABLE HORIZONTAL STABILIZER

TIPIS TIRE PRESSURE INDICATION SYSTEM

TK GROUND TRACK ANGLE

TK TANK

TK TRACK, TRACK ANGLE

TKE TRACK ANGLE ERROR

TKF TRACK CHECK FAILURE

TLA THROTTLE LEVER ANGLE

TLA THRUST LEVER ANGLE

TLR THRUST LEVER RESOLVER (ANGLE)

TLT TEMPERATURE LIMITATION THERMOSTAT

TLU TRAVEL LIMIT UNIT (RUDDER)

TM TORQUE MOTOR

TM TURBOMECA

TMC TORQUE MOTOR CURRENT

TMR TIMER

TMR TIMER RESET (PB)

TN NACELLE TEMPERATURE

TNR TN REFERENCE

TO / GA TAKE OFF / GO AROUND

TO TAKE OFF

TOBI TANGENTIAL OUTBOARD INJECTOR

TOGA TAKE OFF / GO AROUND

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46 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

TOGW TAKE OFF GROSS WEIGHT

TORA TAKE OFF RUN AVAILABLE

TOT TOTAL

TOW TAKE OFF WEIGHT

TOW TOWING

TP PACK OUTLET TEMPERATURE

TP TURN POINT

TPIC TIRE PRESSURE INDICATING COMPUTER

TPIS TIRE PRESSURE INDICATING SYSTEM

TPO PRE COOLER OUTLET TEMP

TPT TRANSFER PRESSURE TRANSDUCER

TR THRUST REVERSER, REVERSE THRUST

TR TEMPORARY REVISION (NUMBER)

TR TRANSFORMER RECTIFIER

TR TURN RADIUS

TRA THROTTLE RESOLVER ANGLE

TRANS TRANSITION

TRANSF TRANSFER

TRC THRUST RATING COMPUTER

TRDV THRUST REVERSER DIRECTIONAL VALVE

TRF TURBINE REAR FRAME

TRK TRACK

TRK TRACK, TRACK ANGLE

TROPO TROPOPAUSE

TRP THRUST RATE PANEL / THRUST RATING PANEL

TRP TOTAL RADIATED POWER

TRPV THRUST REVERSER PRESSURIZING VALVE

TRU TRANSFORMER RECTIFIER UNIT

TRV TRAVEL

TSH TROUBLE SHOOTING HANDBOOK

TSI TIME SINCE INSTALLATION (HOURS)

TSM TROUBLE SHOOTING MANUAL

TSN TIME SINCE NEW (HOURS)

TSO TECHNICAL STANDARD ORDER

TSO TIME SINCE OVERHAUL

TTG TIME TO GO

TTK TRIM TANK

TTS TOTAL TECHNICAL SUPPORT

TURB TURBINE

TURB TURBULENCE, TURBULENT

TW WATER EXTRACT TEMP (PACK)

TWR CONTROL TOWER

TX TORQUE TRANSMITTER SYNCHRO

U UNIFORM

U / C UNDER CARRIAGE

U / FULL UNDER FULL

U / J UNIVERSAL JOINT

U / S UNSERVICEABLE

UAC UPPER AREA CONTROL CENTRE

UART UNIVERSAL ASYNCHRONOUS RECEIVER / TRANSMITTER

UDC UPPER DECK CARGO

UDL UNIT DETAIL LISTING

UER UNSCHEDULED ENGINE REMOVAL

UF UNDER FREQUENCY

UF UPLINK FORMAT

UFD UNIT FAULT DATA

UHF ULTRA HIGH FREQUENCY

ULB UNDER WATER LOCATOR BEACON

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Aircraft Systems - Abbreviations and Acronyms 47

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

ULD UNIT LOADING DEVICE

UNBAL UNBALANCE

UNCPLG UNCOUPLING

UNCRCTD UNCORRECTED

UND UNDER

UNIV UNIVERSAL

UNLK UNLOCK

UNLKD UNLOCKED

UNRGLTD UNREGULATED

UNSD UNUSED

UP UNIT SEPARATOR

UP UPPER

UPD UPDATE

UPLK UPLOCK

UPR UPPER

UR UTILIZATION RATE

US ULTRA SONIC

US UNDER SPEED

US UNITED STATES

USA UNITED STATES OF AMERICA

USB UPPER SIDE BAND

USD US DOLLAR

USG US GALLON

USGAL US GALLON

USR. UNDER SPEED RELAY

USS UNDER SPEED SENSOR

UTA UPPER CONTROL AREA

UTC UNIVERSAL TIME COORDINATED (REPLACES FORMER GMT)

UUT UNIT UNDER TEST

UV ULTRA VIOLET

UV UNDER VOLTAGE

UVEROM ULTRA VIOLET ERASABLE READ ONLY MEMORY

UWY UPPER AIRWAY

V VICTOR

V - BARS TYPE OF FLIGHT DIRECTOR INDICATOR POINTERS

V / S VERTICAL SPEED

V SPEED

V VALVE

V1 CRITICAL ENGINE FAILURE SPEED

V2 TAKE OFF SAFETY SPEED

V3 FLAP RETRACTION SPEED

V4 SLAT RETRACTION SPEED

VA CABIN TEMP AFT

VAC VACUUM

VAC VOLTAGE, ALTERNATE CURRENT

VACBI VIDEO AND COMPUTER BASED INSTRUCTION (AIRBUS)

VACC VERTICAL ACCELERATION

VB VALVE BLOCK

VB VIBRATION

VB1 N1 VIBRATION ENG

VB2 N2 VIBRATION ENG

VBS VERTICAL BEAM SENSOR

VBV VARIABLE BLEED VALVE

VBV VARIABLE BYPASS VALVE

VBVF VARIABLE BLEED FEEDBACK

VC CALIBRATED AIRSPEED

VC DESIGN CRUISING SPEED

VCTREND AIRSPEED TENDENCY

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48 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

VDC VOLTAGE, DIRECT CURRENT

VDEV VERTICAL DEVIATION

VEL VELOCITY

VENT VENTILATION

VERT VERTICAL

VF CABIN TEMPERATURE FORWARD

VFE MAXI VELOCITY FLAPS EXTENDED SPEED

VFEN VFE NEXT, PREDICTIVE VFE AT NEXT FLAP / SLAT POSITION

VFR VISUAL FLIGHT RULES

VFTO FINAL TAKE OFF SPEED

VG VERTICAL GYRO

VHF VERY HIGH FREQUENCY

VHV VERY HIGH VOLTAGE

VIB VIBRATION

VISV VARIABLE INLET STATOR VANE

VLE MAXIMUM LANDING GEAR EXTENDED SPEED

VLF VERY LOW FREQUENCY

VLS LOWEST SELECTABLE SPEED

VLV VALVE

VM RECOMMENDED MANEUVERING SPEED

VM VOLTMETER

VMAN MANEUVERING SPEED

VMAX MAXIMUM OPERATING SPEED

VMIN MINIMUM OPERATING SPEED

VMO MAXIMUM OPERATING SPEED

VNAV VERTICAL NAVIGATION

VOL VOLUME

VOR VERY HIGH FREQUENCY OMNI DIRECTIONAL RANGE

VOR-D VOR - DME

VORTAC VOR - TACAN

VPSN VALVE POSITION

VR ROTATION SPEED

VREF LANDING REFERENCE SPEED

VRTG BODY NORMAL ACCELERATION

VS VERTICAL SPEED

VS STALLING SPEED

VSC VACUUM SYSTEM CONTROLLER

VSCB CABIN VERTICAL SPEED

VSI VERTICAL SPEED INDICATOR

VSL VERTICAL SPEED LIMIT

VSS STICK SHAKER SPEED

VSV COMPRESSOR STATOR VANE ACTUATOR

VSV VARIABLE STATOR VANE

VSW STALL WARNING SPEED

VSWR VOLTAGE STANDING WAVE RATIO

VV VICE VERSA

VW CABIN TEMP

W WHISKY

W WEIGHT

W WEST

W WHITE

W WIRE

WAF WRAP - AROUND FAILURES

WAI WING ANTI-ICE

WARN WARNING

WAYPOINT EN ROUTE NAVIGATION FIX

WB BLEED AIR FLOW

WBC WEIGHT AND BALANCE COMPUTER

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Aircraft Systems - Abbreviations and Acronyms 49

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

WBS WEIGHT AND BALANCE SYSTEM

WD WARNING DISPLAY

WD WIND DIRECTION TRUE

WF WEIGHT FUEL

WFM WEIGHT OF FUEL METERED, FUEL MASS FLOW

WFQ TOTAL FUEL QUANTITY

WGD WINDSHIELD GUIDANCE DISPLAY

WHC WINDOW HEAT COMPUTER

WIPCU WATER ICE PROTECTION CONTROL UNIT

WL WATER LINE

WLDP WARNING LIGHT DISPLAY PANEL

WNDW WINDOW

WOW WEIGHT ON WHEELS (SIGNAL)

WP WAYPOINT

WPT WAYPOINT

WR WEATHER RADAR

WS WIND SPEED

WSHLD WINDSHIELD

WT WEIGHT

WTB WING TIP BRAKE

WX WEATHER MODE (ND)

WXR WEATHER RADAR

WXR WEATHER RADAR TRANSCEIVER

X X-RAY

X LONGITUDINAL REFERENCE AXIS

X TRANS

XARM CROSS ARM

XBAR CROSSBAR

XBLEED CROSS BLEED

XCEIVER TRANSCEIVER

XCF CROSS CHECK FAILURE

XCVR TRANSCEIVER

XDCR TRANSDUCER

XFEED CROSS FEED

XFER TRANSFER

XFMR TRANSFORMER

XFR TRANSFER

XLINE CROSS LINE

XLTR TRANSLATOR

XMITTER TRANSMITTER

XMSN TRANSMISSION

XMTR TRANSMITTER

XPDR TRANSPONDER

XPONDER TRANSPONDER

XREF CROSS REFERENCE

XTAL CRYSTAL

XTALK CROSS TALK

XTE CROSS TRACK ERROR

XTK CROSS TRACK

XTK CROSS TRACK DEVIATION

XTKE CROSS TRACK ERROR

XVALVE CROSS VALVE

Y YANKEE

Y / N YES / NO

Y HORIZONTAL REFERENCE AXIS

Y YELLOW

Y-ARM LATERAL ARM

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50 Aircraft Systems - Abbreviations and Acronyms

Prof. Dr. Dieter Scholz fachhochschule hamburg FACHBEREICH FAHRZEUGTECHNIK UND FLUGZEUGBAU

YC ECONOMY CLASS, TOURIST CLASS

YCF ECONOMY CLASS FRONT

YCR ECONOMY CLASS REAR

YD YAW DAMPER

YEL YELLOW

YES YANKEE ESCAPE SYSTEM

Z ZULU

Z ALTITUDE

Z INTERIOR PANEL

Z TIME (UTC)

Z VERTICAL REFERENCE AXIS

Z ZONE

ZA PRESSURE ALTITUDE

ZAJB ZONE AUDIO JUNCTION BOX

Z-ARM VERTICAL ARM

ZC ZONE CONTROLLER

ZCB CABIN ALTITUDE

ZD ZENER DIODE

ZFCG ZERO FUEL CENTER OF GRAVITY

ZFW ZERO FUEL WEIGHT

ZLD LANDING ELEVATION

ZOTC ZONE TEMPERATURE CONTROLLER

ZP PRESSURE ALTITUDE

ZPI INDICATED PRESSURE ALTITUDE

ZULU ZULU TIME = UTC