Aircraft Systems Abbreviations and Acronyms

Transcription

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

2 2 Aircraft Systems - Abbreviations and Acronyms Prof. Dr.-Ing. Dieter Scholz, MSME Fachhochschule Hamburg Fachbereich Fahrzeugtechnik und Flugzeugbau Berliner Tor Hamburg Tel.: Fax: WWW: [email protected]

3 Aircraft Systems - Abbreviations and Acronyms 3 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

4 4 Aircraft Systems - Abbreviations and Acronyms ACHC ACIA ACID ACID ACK ACM ACM ACM ACM ACMM ACMS ACMS ACN ACOB ACOC ACP ACP ACP ACP ACQ ACQ ACRT ACS ACSC ACT ACT ACTD ACTG ACTN ACTR ACTR ACTVT ACU ACU ACV ACVR ACW ACYC AD AD AD ADAU ADB ADBR ADC ADC ADC ADD ADDR ADF ADG ADI ADI ADIRS ADIRU ADJ ADJMT ADM ADPM AFT CARGO HEAT CONTROLLER ASYNCHRONOUS COMMUNICATION INTERFACE ADAPTER AIRCRAFT IDENTIFICATION AIRCRAFT TAIL NUMBER ACKNOWLEDGE ABBREVIATION COMPONENT MAINTENANCE MANUAL AIR CYCLE MACHINE AIRCRAFT CONVERSION MANUAL APU CONDITION MONITORING ABBREVIATION COMPONENT MAINTENANCE MANUAL AIRCRAFT CENTRALIZED MAINTENANCE SYSTEM AIRCRAFT CONDITION MONITORING SYSTEM AIRCRAFT CLASSIFICATION NUMBER AUTOMATIC CALL OUT BOX AIR COOLED 1 OIL COOLER ALTIMETER CHECK POINT AREA CALL PANEL ATTENDANT CONTROL PANEL AUDIO CONTROL PANEL ACQUISITION AQUIRE ADDITIONAL CROSS REFERENCE PANEL ACCESS AVIONICS COOLING ACTIVE ADDITIONAL CENTER TANK ACTUATED ACTUATING ACTION ACTUATOR AIRCRAFT SYSTEM ACTIVATE ALPHA CALL UP ANTENNA COUPLER UNIT ALTERNATING CURRENT VOLTAGE ALTERNATING CURRENT VOLTAGE RATIO APU CONTROL WORD APU START CYCLES AERODROME AIRCRAFT DATUM AIRWORTHINESS DIRECTIVE AUXILIARY DATA ACQUISITION UNIT AREA DISTRIBUTION BOX (AUDIO / VIDEO) ARINC DATA BUS READER AIR DATA COMPUTER ANALOG / DIGITAL CONVERTER AUTOMATIC DRIVE CONTROL ADDITION ADDRESS AUTOMATIC DIRECTION FINDER AIR DRIVEN GENERATOR ATTITUDE DIRECTION INDICATOR ATTITUDE DIRECTOR INDICATOR AIR DATA AND INERTIAL REFERENCE SYSTEM AIR DATA AND INERTIAL REFERENCE UNIT ADJUST ADJUSTMENT AIR DATA MODULE AIRCRAFT DEACTIVATION PROCEDURES MANUAL

5 Aircraft Systems - Abbreviations and Acronyms 5 ADPTN ADPTR ADR ADR ADR ADR ADRES ADRES ADRS ADS ADS ADU ADU ADV AEA AEB AECMA AEEC AEMS AERO AEVC AEX AF AF AF AF AFB AFC AFCS AFE AFR AFRP AFS AFS AFT AFTN AGB AGB AGB AGC AGCM AGE AGL AGLC AGMT AGW AH AHM AHMS AHRS AHRS AHRU AI AIA AIB AIC AICC AID AIDS AIG ADAPTION ADAPTER ADDRESS ADVISORY ROUTE AIR DATA REFERENCE AIRBORNE DATA LOADER AIRCRAFT DATA RETRIEVAL SYSTEM AIRCRAFT DOCUMENTATION RETRIEVAL SYSTEM ADDRESS AIR DATA SYSTEM AUTOMATIC DEPENDENT SURVEILLANCE AIR DATA UNIT ALIGNMENT DISPLAY UNIT ADVISORY ADVISORY MESSAGE ASSOCIATION OL EUROPEAN AIRLINES AIRLINE ENGINEERING BULLETIN ASSOCIATION EUROPE'EN DES CONSTRUCTEURS DE MATERIAL AEROSPATIAL AIRLINE ENGINEERING ELECTRONICS COMMITTEE AIRCRAFT ELECTRONIC MANAGEMENT SYSTEM AVIATION ROUTINE WEATHER REPORT AVIONICS EQUIPMENT VENTILATION COMPUTER ACCESS AUTHORIZED ALL FREIGHTER AUDIO FREQUENCY AUTOMATIC FREQUENCY CONTROL DME ARC TO FIXED WAYPOINT ANTIFRICTION BEARING AUTOMATIC FLIGHT CONTROL SYSTEM AUTOMATIC FLIGHT CONTROL SYSTEM ANALOG-DIGITAL FRONT END AIRFRAME ARAMID FIBER REINFORCED PLASTIC AIR FUEL SEPARATOR AUTOMATIC FLIGHT SYSTEM AFTWARDS AERONAUTICAL FIXED TELECOMMUNICATION NETWORK ACCESSORY GEAR BOX APU GENERATOR CONTACTOR AUXILIARY GENERATOR CONTACTOR AUTOMATIC GAIN CONTROL AIRCRAFT GROUND CHECK MODULE AIRCRAFT GROUND EQUIPMENT ABOVE GROUND LEVEL APU GENERATOR LINE CONTACTOR AUGMENT ACTUAL GROSS WEIGHT AMPERE HOUR APU HEALTH MONITORING APU HEALTH MONITORING SYSTEM APU OPERATING HOURS ATTITUDE AND HEADING REFERENCE SYSTEM ATTITUDE AND HEADING REFERENCE UNIT AIRBUS INDUSTRY AEROSPACE INDUSTRIES ASSOCIATION ATTENDANT INFORMATION BULLETIN ACCESS ILLUSTRATION CARDS AVIONICS INDUSTRIES COMPUTER COMMITTEE AIRCRAFT INSTALLATION DELAY AIRCRAFT INTEGRATED DATA SYSTEM ACCIDENT INVESTIGATION

6 6 Aircraft Systems - Abbreviations and Acronyms AIL AIL AIM AIMS AIMS AIMS AIP AIP AIP AIP AIRCOND AIS AIS AIS AIS AIT AIU AIV ALC ALC ALERFA ALF ALHP ALI ALI ALIGN ALIM ALPH ALPHA ALPHA ALS ALT ALT ALT ALTI ALTM ALTN ALTPN ALTR ALTU ALU AM AMAGAS AMB AMC AMC AMM AMM AMP AMP AMP AMP AMPL AMS AMS AMS AMS AMTOSS AMU AILERON AIRBUS INFORMATION LETTER AIRCRAFT INTEGRATED MAINTENANCE AIRBUS INVENTORY MANAGEMENT SYSTEM AIRCRAFT INTEGRATED MANAGEMENT SYSTEM AIRPLANE INFORMATION MANAGEMENT SYSTEM AIRBUS INDUSTRIES PUBLICATION ATTENDANT INDICATION PANEL ATTENDANT INDICATION PANEL ATTITUDE INDICATOR PANEL AIR CONDITIONING AERONAUTICAL INFORMATION SERVICE AIR INFORMATION SERVICE AMERICAN IRON AND STEEL INSTITUTE ANTI ICE SENSOR AUTOMATIC INTEGRITY TEST AUDIO INTERFACE UNIT ANTI-ICE VALVE ALREADY CONNECT AUTOMATIC LOAD CONTROL ALERT PHASE AFT LOOKING FORWARD AIRCRAFT LIFE HISTORY PROGRAM AIRCRAFT LOADABILITY INTERFACE ALIGNMENT ALIONMENT ALIMENTATION (SUPPLY) AIRFRAME USE HISTORY PROGRAM ALPHABETICAL ANGLE-OF-ATTACK APPROACH LIGHT SYSTEM ALTITUDE ENGINE ALTERNATOR ROTOR ENGINE ALTERNATOR STATOR ALTIMETER ALTIMETER ALTERNATE ALTERNATE PART NUMBER ALTITUDE RATE ANNUNCIATOR LIGHT TEST UNIT ARITHMETIC AND LOGIC UNIT AMPLITUDE MODULATION AIRCRAFT MALFUNCTION AND GROUND ACTION SYSTEM AMBIENT ACCEPTABLE MEANS OF COMPLIANCE AERODYNAMIC MEAN CHORD AIRCRAFT MAINTENANCE MANUAL AMMETER AIRLINE MAINTENANCE PROCEDURE AMPERAGE AMPERE AMPLIFIER AMPLIFIER AERONAUTICAL MATERIAL SPECIFICATION AEROSPACE MATERIAL SPECIFICATION AIRCRAFT MALFUNCTION SYSTEM AIRCRAFT MODIFICATION STATUS AIRCRAFT MAINTENANCE TASK ORIENTED SUPPORT SYSTEM AUDIO MANAGEMENT UNIT

7 Aircraft Systems - Abbreviations and Acronyms 7 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

8 8 Aircraft Systems - Abbreviations and Acronyms ARP ARP ARPT ARR ART ART ARTCC ARTF AS AS AS AS AS AS ASA ASA ASAP ASCII ASD ASD ASD ASE ASE ASI ASIC ASM ASM ASM ASN ASN ASP ASPSU ASR ASSY ASYM ASYM AT AT ATA ATARF ATB ATC ATC ATCB ATCE ATCH ATCK ATCRB ATCRBS ATCSS ATE ATEC ATF ATG ATH ATHR ATI ATIS ATLAS AERODROME REFERENCE POINT AERONAUTICAL RECOMMENDED PRACTICES AIRPORT ARRIVAL ACTIVE REPAIR TIME ARTIFICIAL AIR ROUTE TRAFFIC CONTROL CENTER ARTIFICIAL ACCOMPLISHMENT SUMMARY AEROSPACE STANDARD AEROSPATIALE AIRSCOOP AIRSPEED AUTO STABILIZATION AIRBORNE SEPARATION ASSURANCE ALL SPEED AILERON AS SOON AS POSSIBLE AMERICAN STANDARD CODE OF INFORMATION INTERCHANGE ACCELERATE STOP DISTANCE AIRLINE SERVICE DATA COLLECTION AUTO SHUT DOWN AIRBORNE SUPPORT EQUIPMENT AMPERES PER SQUARE FOOT AIRSPEED INDICATOR APPLICATION SPECIFIC INTEGRATED CIRCUIT AIRCRAFT SCHEMATICS MANUAL AIRLINE SPECIFIC MANUAL AMERICAN SOCIETY FOR METALS AEROSPATIALE NORM APU SERIAL NUMBER AUDIO SELECTOR PANEL AUTONOMOUS STANDBY POWER SUPPLY UNIT AIRPORT SURVEILLANCE RADAR ASSEMBLY ASYMMETRIC ASYMMETRICAL ADJUSTMENT / TEST AUTO THROTTLE, AUTO THRUST AIR TRANSPORT ASSOCIATION OF AMERICA ATA - REFERENCE ATA-BREAKDOWN AIR TRAFFIC CONTROL APPROVED TYPE CERTIFICATE AIR TRAFFIC CONTROL BOARD AIRLINE TEST CELL EQUIPMENT MANUAL ATTACH ATTACK AIR TRAFFIC CONTROL RADAR BEACON AIR TRAFFIC CONTROL RADAR BEACON SYSTEM AIR TRAFFIC CONTROL DATA LINK SIGNALING SYSTEM AUTOMATIC TEST EQUIPMENT AUTOMATIC TEST EQUIPMENT COMPLEX ACTIVITY TEST FAILURE AIRBUS TERMINOLOGY GLOSSARY AUTO THROTTLE AUTO THRUST AIR TRANSPORT INDICATOR AIR TRAFFIC INFORMATION SYSTEM ABBREVIATED TEST LANGUAGE FOR ALL SYSTEMS

9 Aircraft Systems - Abbreviations and Acronyms 9 ATM ATM ATM ATMS ATN ATO ATP ATPL ATRIM ATS ATS ATS ATS ATS ATSU ATT ATTEN ATTN ATTND ATZ AUD AUTH AUTO AUTOCAL AUTOLAND AUW AUX AVAIL AVG AVIOLAN AVIONICS AVL AVLAN AVNCS AVOD AVOR AVRS AWB AWB AWG AWG AWL AWLS AWM AWS AWY AX AX AY AZ AZ AZFW AIR TURBINE MOTOR AIRCRAFT TRANSPORTABILITY MANUAL AVAILABLE TON-MILE ADVANCED TEXT MANAGEMENT SYSTEM AERONAUTICAL TELECOMMUNICATION NETWORK ABORTED TAKE OFF ACCEPTANCE TEST PROCEDURE AIR TRANSPORT PILOTS LICENSE AUTO TRIM ADMINISTRATIVE TERMINAL SYSTEM AIR TRAFFIC SECTOR AIRBUS TECHNICAL SPECIFICATION AUTO THROTTLE SYSTEM AUTO THRUST SYSTEM AIR TRAFFIC SERVICE UNIT ATTITUDE ATTENUATION ATTENTION ATTENDANT AERODROME TRAFFIC ZONE AUDIO AUTHORIZE AUTOMATIC AUTO CALIBRATION AUTOMATIC LANDING ALL-UP WEIGHT AUXILIARY AVAILABLE AVERAGE AVIONICS LOCAL AREA NETWORK AVIATION ELECTRONICS AUTOMATIC VOLUME CONTROL AVIONICS LOCAL AREA NETWORK AVIONICS AUDIO-VIDEO ON DEMAND AIRWAY-VOR AUDIO / VIDEO RECORDING SYSTEM AIRWAY BILL AUDIO WARNING BOX AMERICAN WIRE GAGE AUDIBLE WARNING GENERATOR AIRCRAFT WIRING LIST ALL WEATHER LANDING SYSTEM AIRCRAFT WIRING MANUAL AMERICAN WELDING SOCIETY AIRWAY ACCESS AUTHORIZED LONGITUDINAL ACCELERATION LATERAL ACCELERATION AZIMUTH VERTICAL ACCELERATION ACTUAL ZERO FUEL WEIGHT B B / A B / B B / C B / C B / D BRAVO BANK ANGLE BACK BEAM BAGGAGE CONTAINER BUSINESS CLASS BOTTOM OF DESCENT

10 10 Aircraft Systems - Abbreviations and Acronyms B B BAABI BAE BAF BAFO BAL BAMC BARC BARO BARP BAT BBRG BCAS BCD BCD BCDS BCEPC BCEPS BCL BCN BCU BCV BDD BDDV BDLI BDY BEL CRK BEL BER BETW BEV BEW BF BFDAS BFE BFO BFR BG BG BGM BGS BHD BIST BIT BIT BITE BIU BK BK BL BLC BLK BLKT BLOW BLST BLST BLT BLV BLUE BOTTOM BASIC APPROVED ATA BREAKDOWN INDEX BRITISH AEROSPACE BAFFLE BEST AND FINAL OFFER BASIC ASSEMBLY LANGUAGE BLEED AIR MONITORING COMPUTER BAROMETRIC ALTITUDE RATE COMPUTER BAROMETRIC BAROMETRIC PRESSURE BATTERY BALL BEARING BEACON COLLISION AVOIDANCE SYSTEM BINARY CODED DECIMAL BINARY CODED DECIMAL DATA WORD BITE CENTRALIZED DATA SYSTEM BALANCE CONTROL ENVELOPE PROTECTION COMPUTER BALANCE CONTROL ENVELOPE PROTECTION SYSTEM BATTERY CHARGE LIMITER BEACON BRAKE CONTROL UNIT BLEED CONTROL VALVE BITE DESCRIPTION DOCUMENT BRAKE DUAL DISTRIBUTER VALVE BUNDESVERBAND DER DEUTSCHEN LUFT- UND RAUMFAHRT -INDUSTRIE BOUNDARY BELL CRANK BEIL BEYOND ECONOMICAL REPAIR BETWEEN BEVEL BASIC EMPTY WEIGHT BROUGHT FORWARD BASIC FLIGHT DATA ACQUISITION SYSTEM BUYER FURNISHED EQUIPMENT BEAT FREQUENCY OSCILLATOR BUFFER BUILT GROUP BUILT GROUP COMPONENT BOARDING GENERAL MUSIC (BOARDING MUSIC) BUILT GROUP STACK-UP BULKHEAD BUILT IN SELF TEST BINARY DIGIT BUILT IN TEST BUILT IN TEST EQUIPMENT BITE INTERFACE UNIT BLACK BRAKE BLEED BATTERY LINE CONTACTOR BLACK BLANKET BLOWER BALLAST BLEED STATUS BOLT BLEED LOAD VALVE (BLEED VALVE)

11 Aircraft Systems - Abbreviations and Acronyms 11 BM BM BMC BND BNDG BNDRY BNR BO BO BOG BOT BOW BPS BPV BR BRC BRD BRDG BRG BRK BRKNG BRKR BRKS BRKT BRT BS BS BS BSBV BSCU BSHG BSI BSI BSV BT BTC BTL BTMU BTN BTR BTS BTU BU BU BUS BW BYP BEAM BUILT-UP MANUAL BLEED AIR MONITORING COMPUTER BONDED BONDING BOUNDARY BINARY DATA WORD BLOCKING OSCILLATOR BODY ODEUR BOGIE BEGIN OF TAPE BREAK OFF WEIGHT BITS PER SECOND BYPASS VALVE BROWN BRACE BRAID BRIDGE BEARING BRAKE BRAKING BREAKER BRAKES BRACKET BRIGHT, BRIGHTNESS BACKSPACE BRITISH STANDARD BURNER STAGING BOOSTER STAGE BLEED VALVE BRAKING AND STEERING CONTROL UNIT BUSHING BORESCOPE INSPECTION BRITISH STANDARDS INSTITUTE BURNER STAGING VALVE (CFM ENGINE) BUS TIE BUS TIE CONTACTOR BOTTLE BRAKE TEMPERATURE MONITORING UNIT BUTTON BUS TIE RELAY BLEED TEMPERATURE SENSOR BUS TERMINATION UNIT BALLAST UNIT BATTERY UNIT BUS BAR BEAM WIDTH BYPASS C C / A C / A C / G C / L C / L C / M C / O C / O C / O C / P CHARLY CABIN ATTENDANT COARSE ACQUISITION CENTER OF GRAVITY CENTERLINE CHECKLIST COMMAND / MONITOR CARE OFF CHANGEOVER CUT OFF CLEANING PAINTING

12 12 Aircraft Systems - Abbreviations and Acronyms C / S C / S C / SSR C C C C C C C C C C CA CA CA CAA CAA CAATS CAB PRESS CAB CABLAN CAD CADABAS CADAM CADC CADENSICON CADETS CADRA CADV CAI CAL CAL CAL CALC CAM CAM CAM CAM CAMSOS CAN CAN CAN CAN CANC CAO CAOA CAOM CAP CAP CAP CAPLTY CAPT CAR CAR CARB CAS CAS CAS CALL SIGN CYCLES PER SECOND COST / SCHEDULE STATUS REPORT CHIME CLEAR CLOSE COLD COMMON COMPARATOR CONFIGURATION CONVERTIBLE CYAN (BLUE) FAULT CLASSIFICATION CABIN ADDRESS CABIN ATTENDANT OPERATION MANUAL CABLE CHROMIC ACID ANODIZING CIVIL AVIATION AUTHORITIES (GB) COMPUTER ASSISTED AIRCRAFT TROUBLE SHOOTING SYSTEM (ON CD ROM) CABIN PRESSURE, CABIN PRESSURIZATION CABIN CABIN LOCAL AREA NETWORK COMPUTER AIDED DESIGN CIVIL AIRCRAFT DATA BASE SYSTEM COMPUTER AUGMENTED DESIGN AND MANUFACTURING CENTRAL AIR DATA COMPUTER CAPACITIVE DENSITY CONDENSATOR COMPUTER ASSISTED DOCUMENTATION TUTORIAL SYSTEM COMPUTER AIDED DRAFTING CONTROLE AUTOMATIQUE DU VOT (= AFS) COMBUSTION AREA INSPECTION CALIBRATION COCKPIT AMPLIFIER LOUDSPEAKER COCKPIT AUDIO LOUDSPEAKER CARGO ACCEPTANCE AND LOAD CONTROL CABIN ASSIGNMENT MODULE COMPUTER AIDED MAINTENANCE COMPUTER AIDED MANUFACTURING CUSTOMER ACCEPTANCE MANUAL COMMERCIAL AIRCRAFT MODULAR SIEVE OXYGEN SYSTEM CANCEL CANCELLATION CANOPY COMMAND ANALOG CANCEL CARGO AIRCRAFT ONLY CORRECTED ANGLE OF ATTACK CABIN ATTENDANT OPERATING MANUAL CAPACITOR CAPTURE COMPUTER AIDED PUBLISHING CAPABILITY CAPTAIN CARGO CONTINUING AIRFRAME REVIEW PROGRAM CARPET CALIBRATED AIR SPEED, COMPUTED AIR SPEED, CORRECTED AIRSPEED, CALCULATED AIR SPEED COLLISION AVOIDANCE SYSTEM COLUMN ADDRESS STROBE

13 Aircraft Systems - Abbreviations and Acronyms 13 CAT CAT CATH CATIA CATIS CAUT LT CAUT CB CB CBAL CBMS CBMU CBO CBORE CBP CBSV CBSV CBT CC CC CC CC CC CCC CCC CCC CCC CCDL CCG CCIR CCITT CCITT CCL CCQ CCRC CCS CCS CCSW CCW CD CD CD CD CD CDE CDG CDIM CDL CDP CDP CDR CDR CDS CDS CDS CDT CDU CDX CECAM CED CATEGORY (OF WEATHER FOR LANDING) CLEAR AIR TURBULENCE CATEGORY COMPUTER AIDED THREE DIMENSIONAL INTERACTIVE COMPUTER AIDED TECHNICAL ILLUSTRATION SYSTEM CAUTION LIGHT CAUTION CIRCUIT BREAKER CONVEYOR BELT COUNTERBALANCE CIRCUIT BREAKER MONITORING SYSTEM CIRCUIT BREAKER MONITORING UNIT CYCLES BETWEEN OVERHAUL COUNTER BORE (HP) COMPRESSOR BLEED PRESSURE CYCLES BETWEEN SCHEDULED VISITS CYCLES BETWEEN SHOP VISITS COMPUTER BASED TRAINING CARGO COMPARTMENT CLUB CLASS COMMUNICATION COMPUTER COMPASS COUPLER CONFIDENCE CHECK CHEMICAL CONVERSION COATING COMPONENTS CHANGE CARDS CRASH CREW CART CRASH CREW CHART CROSS CHANNEL DATA LINK CABIN CONFIGURATION GUIDE COMITÉ CONSULTATIF INTERNATIONAL DES RADIO COMITÉ CONSULTATIF DE TÉLÉGRAPHIE ET TÉLÉPHONIQUE CONSULTATIV COMMITEE ON INTEMATIONAL TELEPHONE AND TELEGRAPHY CIDS CAUTION LIGHT CROSS CREW QUALIFICATION CENTER CREW REST COMPARTMENT CABIN COMMUNICATION SYSTEM CENTRALIZED CABIN STATION CONFIDENCE CHECK SWITCH COUNTER CLOCK WISE COLD DRAWN COMPACT DISC CONTAINER DOLLY CONTROL DISPLAY CONTROL DRAG CONSUMPTION DATA EXCHANGE CARD COMMAND DIGITAL COMPONENT DATA INSTRUCTION MANUAL CONFIGURATION DEVIATION LIST COMPRESSOR DISCHARGE PRESSURE (HP) COMPRESSOR DISCHARGE PRESSURE (HP) CHIP DATA READY CRITICAL DESIGN REVIEW COLD DRAWN STEEL COMPONENT DOCUMENTATION STATUS COMPRESSOR DISCHARGE SENSOR COMPRESSOR DISCHARGE TEMPERATURE CONTROL AND DISPLAY UNIT CONTROL DIFFERENTIAL TRANSFORMER CENTRALIZED CABIN MONITORING COOLING EFFECT DETECTOR

14 14 Aircraft Systems - Abbreviations and Acronyms CEL CEV CF CF CFDIU CFDS CFE CFIT CFLB CFM CFM CFMI CFMLR CFN CFP CFR CFRP CFS CG CGCC CGCS CGFCC CGM CH CH CH CHAN CHAS CHATV CHC CHC CHG CHG-OV CHK CHM CHMBR CHNG CHRO CHTAV CI CI CI CI CI CI CIC CICS CID CIDS CIM CIP CIS CIT CK CKD CKPT CKT CL CL COMPONENT EVOLUTION LIST CLUTCH ELECTRO VALVE CARRIED FORWARD COURSE TO A FIXED WAYPOINT CENTRALIZED FAULT DISPLAY INTERFACE UNIT, CENTRALIZED FAULT DATA INTERFACE UNIT CENTRALIZED FAULT AND DISPLAY SYSTEM, CENTRALIZED FAULT DATA SYSTEM CUSTOM FURNISHED EQUIPMENT CONTROLLED FLIGHT INTO TERRAIN CARGO FLOOR BEAM CABLE FABRICATION MANUAL COMMERCIAL FAN MOTEUR: GENERAL ELECTRIC COMMERCIAL FANS (CF) & SNECMA MOTEURS (M) COMMERCIAL FAN MOTEUR INTERNATIONAL: GENERAL ELECTRIC & SNECMA CAM FOLLOWER CUSTOMERS FLEET NUMBER COMPUTERIZED FLIGHT PLAN CODE OF FEDERAL REGULATIONS CARBON FIBER REINFORCED PLASTIC COLD FINISHED STEEL CENTER OF GRAVITY CENTER OF GRAVITY CONTROL COMPUTER CENTER OF GRAVITY CONTROL SYSTEM CENTER OF GRAVITY AND FUEL CONTROL COMPUTER COMPUTER GRAPHICS METAFILE CENTER HAT RACK CHAPTER CHARGE CHANNEL CHASSIS CHANNEL ACTIVE CARGO HEAT CONTROLLER CONTROL HEATING CARGO COMPARTMENT CHANGE CHANGEOVER CHECK CHIME CHAMBER CHANGE CHRONOMETER CARGO HEAT TRIM AIR VALVE CAST IRON CONVERSION INSTRUCTION CORROSION INHIBITOR COST IMROVEMENT COURSE INDICATOR COURSE TO AN INTERCEPT CAPACITANCE INDEX COMPENSATOR CUSTOMER INFORMATION CONTROL SYSTEM CERTIFICATION INDEX DOCUMENT CABIN INTERCOMMUNICATION DATA SYSTEM CONTINUOUS IMAGE MICROFILM (HP) COMPRESSOR INLET PRESSURE COMPRESSOR INLET SENSOR (HP) COMPRESSOR INLET TEMPERATURE CHECK CHECKED COCKPIT CIRCUIT CENTERLINE CHECK LIST

15 Aircraft Systems - Abbreviations and Acronyms 15 CL CL CL CL CLB CLD CLG CLG CLK CLM CLOG CLP CLP CLPR CLR ALT CLR CLRD CLS CLSD CLSG CLTM CLU CLV CM CM CM CM CMC CMD CML CMM CMM CMOS CMP CMPLRY CMPNT CMPRD CMPS CMPT CMPTD CMPTG CMPTR CMR CMRLR CMS CMS CMS CMU CNA CNCTD CNCTN CNCTR CNCTRC CNCV CND CND CNS CNS CNT CNTL CLIMB CLIP CLOUD CLUTCH CLIMB CLOSED CEILING CENTER LINE LANDING GEAR CLOCK COMPONENT LOCATION MANUAL CLOGGED CLAMP CONTROL LAW PROCESSOR CLAPPER CLEARANCE ALTITUDE CLEAR CLEARED CARGO LOADING SYSTEM CLOSED CLOSING COMPONENT LOCATION TRAINING MANUAL CHARGE LIMITER UNIT CLEVIS CALL MAINTENANCE COLLECTIVE MODIFICATION CONVERSION MANUAL CREW MEMBER CENTRAL MAINTENANCE COMPUTER COMMAND CONSUMABLE MATERIAL LIST CALIBRATION MEMORY MODULE (WBS) COMPONENTS MAINTENANCE MANUAL COMPLEMENTARY METAL OXIDE SEMICONDUCTOR CUSTOMER MAINTENANCE PROGRAM COMPLEMENTARY COMPONENT COMPRESSED COMPASS COMPARTMENT COMPUTED COMPUTING COMPUTER CERTIFICATION MAINTENANCE REQUIREMENTS CAM ROLLER CABIN MANAGEMENT SYSTEM CODE MATERIAL SOCIETY COMPONENT MAINTENANCE SHEET COMMUNICATION MANAGEMENT UNIT COMMON NOZZLE ASSEMBLY CONNECTED CONNECTION CONNECTOR CONCENTRIC CONCAVE CONDUIT SECOND CIVIL NAVIGATION SYSTEM COMMUNICATION & NAVIGATION SYSTEM COUNT CONTROL

16 16 Aircraft Systems - Abbreviations and Acronyms CNTNR CNTOR CNTR CO RTE CO RTE CO CO CO COC COC COD CODEP COHO COL COLAN COM PASS COM UNIT COM COM COM COMD COMP COMP COMP COMPT TEMP COMPT COMPTR COMPUT COMTN COND CONDTN CONDTR CONF CONF CONFIG CONT CONT CONT CONT CONTR CONV COOL COORD COPI CORCTD CORR CORR CORR COS COSL COT COT COV COWL CP CP CP CPA CPC CONTAINER CONTACTOR COUNTER COMPANY ROUTE COMPANY ROUTE COLOR COMPANY CUT OFF CARE OF CREW CUSTOMER ORIGINATED CHANGES COMPONENTS OPERATING AND STORAGE DATA HIGH TEMPERATURE COATING COHERENT OSCILLATOR COLUMN COCKPIT LOCAL AREA NETWORK CONDITION MONITORING & ANALYSIS SOFTWARE SYSTEM (IEA ENG) COMMAND UNIT COMMAND COMMON COMMUNICATION COMMAND COMPASS COMPENSATOR COMPRESSED COMPARTMENT TEMPERATURE COMPARTMENT COMPARATOR COMPUTER COMMUTATION CONDITIONING CONDITION CONDITIONER CONFERENCE CONFIGURATION CONFIGURATION CONTAMINATION CONTINUE, CONTINUOUS CONTOUR CONTROL, CONTROLLER CONTROL CONVERTER COOLER, COOLING COORDINATE COPILOT CORRECTED CORRECT CORRUGATE CORRUGATION COMPRESSOR OUTLET SENSOR COMPONENT OPERATING STORAGE LIMITS COMPRESSOR OUTLET TEMPERATURE (PACK) COTTER COVER COWLING CENTER OF PRESSURE CENTRAL PROCESSOR CONTROL PANEL CLOSEST POINT OF APPROACH CABIN PRESSURE CONTROLLER

17 Aircraft Systems - Abbreviations and Acronyms 17 CPCP CPCS CPCU CPIP CPIP CPL CPL CPLD CPLG CPLR CPM CPMS CPMS CPNOH CPRSR CPS CPS CPT CPT CPT CPTR CPU CPU CR CR CR CR8 CRC CRC CRC CRC CRE CRES CRF CRG CRL CRS CRS CRSN CRT CRT CRU CRZ CS CS CS CSCU CSD CSD CSDB CSE CSG CSI CSK CSK CSL CSM CSM CSM/G CSN CORROSION PREVENTION AND CONTROL PROGRAM CABIN PRESSURE CONTROL SYSTEM CABIN PRESSURE CONTROL UNIT CONTINUOUS PRODUCT IMPROVEMENT PACKAGE CONTINUOUS PRODUCTION IMPROVEMENT PROGRAM CONTROL PANEL COUPLE COUPLED COUPLING COUPLER CONSUMABLE PRODUCTS MANUAL CABIN PASSENGER MANAGEMENT SYSTEM CABIN PASSENGER MANAGEMENT SYSTEM UNIT COMPRESSOR PNEUMATIC OVERHEAT SENSOR COMPRESSOR COMMAND POWER SUPPLY CYCLES PER SECOND CAPTAIN CAPTURE COCKPIT COMPUTER CENTRAL PROCESSING UNIT COMMAND PROCESSOR UNIT CARRIAGE RETURN COLD ROLLED CRUISE COLD ROLLED STEEL CAMERA READY COPY CONTINUOUS REPETITIVE CHIME CREW REST COMPARTMENT CYCLIC REDUNDANCY CHECK CORROSION RESISTANT CORROSION RESISTANT STEEL CIRCUIT FAULT CARGO COLLAR COST REPERCUSSION SHEET COURSE CORROSION CATHODE RAY TUBE CROSS REFERENCE TABLE CARD READER UNIT CRUISE CALL SWITCH CENTER SPAR CERTIFICATION STANDARD CARGO SMOKE CONTROL UNIT CONSTANT SPEED DRIVE CONTROL SYNCHRO DIFFERENTIAL COMMON SOURCE DATA BASE COURSE SET ERROR CONSTANT SPEED GENERATOR CYCLES SINCE INSTALLATION COUNTERSINK COUNTERSINK HEAD CONSOLE COMPUTER SOFTWARE MANUAL CONSTANT SPEED MOTOR CONSTANT SPEED MOTOR / GENERATOR CATALOG SEQUENCE NUMBER, CHAPTER SEQUENCE NUMBER

18 18 Aircraft Systems - Abbreviations and Acronyms CSN CSO CSP CSTG CSTR CSU CSU CSV CT CT CT CT CT CTA CTC CTC CTF CTK CTL PNL CTL CTL CTLD CTLG CTLR CTR TK XFR VLV CTR XFR VLV CTR CTR CTR CTRD CTS CTS CTSK CTWT CU CUDU CUR CUR CVC CVD CVR CW CW CW CWG CWS CWS CX CY CY CYAN CYL CYCLES SINCE NEW CYCLES SINCE OVERHAUL COMMAND SLAVE PROCESSOR CASTING CONSTRAINT COMMAND SENSOR UNIT CONTROL SENSOR UNIT CYCLES SINCE LAST SHOP VISIT CATERING TRUCK CENTER TAP CONTROL THERMOSTAT CONTROL TRANSFORMER CURRENT TRANSFORMER CONTROL AREA CABIN TEMPERATURE CONTROLLER CABIN TEMPERATURE CONTROLLER CENTRAL TEST FACILITY CAPACITY TON-KILOMETER CONTROL PANEL CENTRAL CONTROL CONTROLLED CENTER LANDING GEAR CONTROLLER CENTER TANK TRANSFER VALVE CENTER TRANSFER VALVE CENTER CONTOUR CONTROL ZONE CENTERED CLEAR TO SEND CONTROL TEMPERATURE SENSOR COUNTER SUNK COUNTER WEIGHT CONTROL UNIT CURRENT UNBALANCE DETECTOR UNIT CURRENCY CURRENT CARGO VENTILATION CONTROLLER CONTROL VALVE DETENT COCKPIT VOICE RECORDER CLOCK WISE CONTINUOUS WAVE CONTROL WHEEL COCKPIT WORKING GROUP CENTRAL WARNING SYSTEM CONTROL WHEEL STEERING CONTROL TRANSMITTER CALENDAR YEAR CURRENT YEAR BLUE CYLINDER D D & C D / A D / N D / O D / R DELTA DELAYS AND CANCELLATIONS DIGITAL TO ANALOG DATA BASE NUMBER DESCRIPTION AND OPERATION DEACTIVATION / REACTIVATION

19 Aircraft Systems - Abbreviations and Acronyms 19 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

20 20 Aircraft Systems - Abbreviations and Acronyms DEM DEMOD DEMUX DEP DEP DEPL DEPRESS DEPT DES DESC DESCR DEST DET DET DEU DEV DEVN DEX DF DFA DFCS DFDAMU DFDAU DFDR DFDRS DFT DG DGA DGAC DGI DGO DGPS DGTL DH DH DI DI DI DI DIA DIAPH DIFF DIGI DIGO DIL DIM DIM DIN DIPLXR DIR TO DIR DIR DIR DIS IN DIS DIS DIS DISC DISCH DIGITAL ELECTRONIC MODULE DEMODULATOR DEMULTIPLEXER DATA ENTRY PLUG DEPARTURE DEPLOY DEPRESSURIZATION DEPARTMENT DESCENT DESCENT DESCRIPTION DESTINATION DETECTION DETECTOR DETENT DECODER / ENCODER UNIT DEVIATION DEVIATION ACCESS DEMANDED DIRECTION FINDER DELAYED FLAPS APPROACH DIGITAL FLIGHT CONTROL SYSTEM DIGITAL FLIGHT DATA ACQUISITION AND MANAGEMENT UNIT DIGITAL FLIGHT DATA ACQUISITION UNIT DIGITAL FLIGHT DATA RECORDER DIGITAL FLIGHT DATA RECORDER SYSTEM DRIFT DIRECTIONAL GYRO DELEGATION GENERALE POUR L'ARMEMENT DIECTION GENERALE DE L'AVIATION CIVILE DIGITAL INPUT DIGITAL OUTPUT DIFFERENTIAL GLOBAL POSITIONING SYSTEM DIGITAL DEADHEAD DECISION HEIGHT DATA INPUT DISPLAY INTERFACE DROP IN DSDL INTERFACE DIAMETER DIAPHRAME DIFFERENTIAL DIGITAL INPUT DIGITAL OUTPUT DUAL IN LINE DIMENSION DIMMING DEUTSCHE INDUSTRIE NORM DIPLEXER DIRECT TO DIRECT, DIRECTION DIRECTOR DIRECTORY DISCRETE INPUT DISAGREEMENT DISCRETE DISPLAY DISCONNECT DISCHARGE

21 Aircraft Systems - Abbreviations and Acronyms 21 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

22 22 Aircraft Systems - Abbreviations and Acronyms DRF DRG DRIP DRM DRMI DRVG DRVN DRVR DSAPP DSCRM DSCRT DSCS DSENGD DSI DSO DSP DSP DSPL DSR TK DT DTD DTE DTG DTK DTMF DTMS DTP DU DUM DV DVM DWG DWN DX DYNMTC DRIFT FAILURE DRAWING DESIGN RESPONSE INTENDED FOR PLAYBACK DUCT REPAIR MANUAL DISTANCE RADIO MAGNETIC INDICATOR DRIVING DRIVEN DRIVER DISAPPEARANCE DISCRIMINATOR DISCRETE DOOR (AND ESCAPE) SLIDES CONTROL SYSTEM DISENGAGED DISCRETE INPUT DISCRETE OUTPUT DIGITAL SIGNAL PROCESSOR DISPLAY DISPLAY DESIRED TRACK DAR TAPE DATED DATA TERMINAL EQUIPMENT DISTANCE TO GO DESIRED TRACK DUAL TONE MULTIPLE FREQUENCY DAMAGE TOLERANCE MONITORING SYSTEM DESKTOP PUBLISHING DISPLAY UNIT DUMMY DIRECTEUR DE VOL (= FD) DIGITAL VOLTMETER DRAWING DOWN ACCESS DEMANDED DYNAMOMETRIC E E / E COMP E / R E / T E / W E / WD E EADI EAPROM EAROM EAS EAT EBL EBS EBU EC EC EC ECAM ECB ECC ECDB ECDS ECHO ELECTRIC AND ELECTRONIC COMPARTMENT EMITTER / RECEPTOR ELECTRICAL TRIM ENGINE / WARNING ENGINE AND WARNING DISPLAY EAST ELECTRONIC ATTITUDE DIRECTOR INDICATOR (PFD) ELECTRICALLY ALTERABLE PROGRAMMABLE READ ONLY MEMORY ELECTRICALLY ALTERABLE READ ONLY MEMORY EQUIVALENT AIRSPEED EXPECTED APPROACH TIME ELECTRONIC BEARING LINE ENGINE BUILD SPECIFICATION ENGINE BUILDUP UNIT ELECTRONIC COMPARTMENT ELECTRONIC CONTROL ENGINE CONTROL ELECTRONIC CENTRALIZED AIRCRAFT MONITORING ELECTRONIC CONTROL BOX (APU) ENTERTAINMENT CONTROL CENTER EQUIPMENT CENTRALIZED DATA BASE ELECTRONIC CHART DISPLAY SYSTEM

23 Aircraft Systems - Abbreviations and Acronyms 23 ECH ECM ECMS ECMS ECMU ECON ECP ECP ECS ECS ECU AIR ECU ECU ECU ECUCV ECW ECYC ED EDA EDMC EDP EDP EDPIS EE EEC EEGS EEPROM EEPROM EFCC EFCS EFCU EFDU EFF EFH EFIS CP EFIS SGU EFIS EFOB EG EG EGC EGCIU EGCU EGIU EGP EGT EGTA EGTP EGTR EHA EHF EHFDP EHL EHM EHMS EHRS EHRS EHSI EHSV EIA EMERGENCY CONTROL HANDLE ENGINE CONDITION MONITORING ELECTRICAL CONTACTOR MANAGEMENT ENVIRONMENTAL CONDITION MONITORING SYSTEM ELECTRICAL CONTACTOR MANAGEMENT UNIT ECONOMIC / ECONOMY ECAM CONTROL PANEL EFIS CONTROL PANEL ENVIRONMENTAL CONDITIONING SYSTEM ENVIRONMENTAL CONTROL SYSTEM ECU AIR EJECTOR SOLENOID ELECTRONIC CONTROL UNIT (CFM ENGINE) ELECTRONIC CONTROL UNIT (CFM ENGINE) ENGINE CONTROL UNIT (CFM ENGINE) ELECTRONIC CONTROL UNIT COOLING VALVE ENGINE CONTROL WORD ENGINE START CYCLES EDGE DISTANCE ENGINE DEDICATED ALTERNATOR ENGINEERING DRAWING MICROFILM CARD ELECTRONIC DATA PROCESSING ENGINE DRIVEN PUMP ELECTRONIC DIFFERENTIAL PRESSURE INDICATOR SWITCH ELECTRIC AND ELECTRONIC ELECTRONIC ENGINE CONTROL (IAE ENGINE) EMERGENCY ELECTRICALLY GENERATOR SYSTEM ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY ELECTRONIC FLIGHT CONTROL COMPUTER ELECTRONIC FLIGHT CONTROL SYSTEM ELECTRONIC FLIGHT CONTROL UNIT ENGINE FIRE DETECTION UNIT EFFECTIVE ENGINE FLIGHT HOURS EFIS CONTROL PANEL EFIS SYBOL GENERATOR UNIT ELECTRONIC FLIGHT INSTRUMENT SYSTEM ESTIMATED FUEL ON BOARD EXAMPLE GIVEN EXEMPLI GRATIA (LAT), FOR EXAMPLE, FOR INSTANCE EMERGENCY GENERATOR CONTACTOR ELECTRICAL GENERATOR INTERFACE UNIT (GE ENGINE) ELECTRICAL GENERATOR CONTROL UNIT ELECTRICAL GENERATION INTERFACE UNIT EXHAUST GAS PRESSURE EXHAUST GAS TEMPERATURE EXHAUST GAS TEMPERATURE APU EGT APU PEAK EGT APU REFERENCE ELECTRO / HYDROSTATIC ACTUATOR EXTREMELY HIGH FREQUENCY ENGINE HEALTH FIXED DATA PANEL ELEVATOR HINGE LINE ENGINE HEALTH MONITORING ENGINE HEALTH MONITORING SYSTEM ENGINE HOURS (BETWEEN WHEEL OFF / WHEEL ON) FLIGHT HOURS ENGINE ELECTRONIC HORIZONTAL SITUATION INDICATOR (ND) ELECTRO HYDRAULIC SERVO VALVE ELECTRONIC INDUSTRIES ASSOCIATION

24 24 Aircraft Systems - Abbreviations and Acronyms EICAS EIPC EIS EIS EIS EIU EIU EIVMU EL EL EL EL ELA ELAC ELAPS ELC ELDOR ELEC ELECS ELEM ELEV ELM ELS ELT ELV EM EM EMC EMER GEN EMER EMF EMI EMLS EMP EMP EMRG EMU EMU EN ENB ENBL ENCD ENCDR ENCL END ENG OUT ENG ENG ENGA ENGD ENGR ENQ ENRGZ ENT ENTR ENV EO SID EO THR RED EO THR RED ENGINE INDICATION AND CREW ALERTING SYSTEM ENGINE ILLUSTRATED PARTS CATALOG ELECTRONIC INSTRUMENT SYSTEM ENGINE INSTRUMENT SYSTEM ENTRY INTO SERVICE ELECTRONIC INSTRUMENT UNIT ENGINE INTERFACE UNIT ENGINE INTERFACE AND VIBRATION MONITORING UNIT ELECTRO LUMINESCENT ELEVATION ELEVATOR EQUIPMENT LIST ELECTRICAL LOAD ANALYSIS ELEVATOR AND AILERON COMPUTER ELAPSED TIME ELECTRONIC LIBRARY COMPUTER ELECTRONIC DOCUMENT RETRIEVAL ELECTRIC / ELECTRICAL ELECTRONICS ELEMENT ELEVATION ELEVATOR EXTENDED LENGTH MESSAGE ELECTRONIC LIBRARY SYSTEM EMERGENCY LOCATOR TRANSMITTER ELEVATION END OF MEDIUM ENGINE MANUAL ELECTRO MAGNETIC COMPATIBILITY EMERGENCY GENERATOR EMERGENCY ELECTROMOTIVE FORCE ELECTRO MAGNETIC INTERFERENCES EMERGENCY LIGHTING SYSTEM ELECTRO MAGNETIC PULSE EMPENAGE EMERGENCY ENGINE MAINTENANCE UNIT ENGINEERING MOCK-UP EURO NORM ENABLE ENABLE ENCODE ENCODER ENCLOSURE ENDURANCE ENGINE OUT ENGAGE ENGINE ENGAGE ENGAGED ENGINEER ENQUIRE ENERGIZE ENTRY ENTRANCE ENVELOPE ENGINE OFT STANDARD INSTRUMENT DEPARTURE ENGINE OTF THRUST REDUCTION ENGINE OUT THRUST REDUCTION

25 Aircraft Systems - Abbreviations and Acronyms 25 EO EO EO EOH EOP EOT EOT EP EPC EPCU EPD EPE EPGS EPLD EPLD EPR D EPR L EPR EPR EPR EPRI EPROM EPROM EPSU EPU EQ EQID EQPT EQT ER ER ER ERL ERS ERT ESC ESD ESD ESD ESD ESG ESLB ESM ESN ESP ESS EST ET ET ETA ETB ETC ETD ETE ETI ETO ETOPS ETP ETS ETX ENGINE OFF ENGINE OUT ENGINEERING ORDER ENGINE OPERATING HOURS END OF PART END OF TAPE END OFF TRANSMISSION ENTRY PANEL EXTERNAL POWER CONTACTOR EXTERNAL POWER CONTROL UNIT EXTENDED PRINCIPAL DIAGRAM ESTIMATED POSITION ERROR ELECTRICAL POWER GENERATION SYSTEM ELECTRONICALLY PROGRAMMABLE LOGIC DEVICE ERASABLE PROGRAMMABLE LOGIC DEVICE EPR DESCENT EPR LATCH ENGINE POWER RATIO ENGINE PRESSURE RATIO (IAE ENGINE) EXHAUST PRESSURE RATIO ENGINE PRESSURE RATIO INDICATION ELECTRICALLY PROGRAMMABLE READ ONLY MEMORY ERASABLE PROGRAMMABLE READ ONLY MEMORY EMERGENCY POWER SUPPLY UNIT EMERGENCY POWER UNIT EQUIPMENT EQUIPMENT IDENTIFIER EQUIPMENT EQUIPMENT ELEVATOR RIB EXPANDED RANGE EXTERNAL POWER ECONOMIC REPAIR LIFE ERASE ENGINE RUNNING TIME ESCAPE ELECTRO SENSITIVE DEVICE ELECTRO STATIC DISCHARGE ELECTRONIC SYSTEM DISPLAY ELECTROSTATIC SENSITIVE DEVICE EQUIPMENT SUPPORT CARGO ECAM SYSTEM LOGIC BOOK ENGINE SHOP MANUAL ENGINE SERIAL NUMBER ELECTRICAL STANDARD PRACTICES ESSENTIAL ESTIMATED ELECTRICAL TRIM ELAPSES TIME ESTIMATED TIME OF ARRIVAL END OF TRANSMISSION BLOCK ESSENTIAL TRANSFER CONTACTOR ESTIMATED TIME OF DEPARTURE ESTIMATED TIME EN ROUTE ELAPSES TIME INDICATOR ESTIMATED TIME OVER EXTENDED RANGE TWIN ENGINE OPERATION EQUAL TIME POINT EQUIPMENT TECHNICAL SPECIFICATION END OF TEXT

26 26 Aircraft Systems - Abbreviations and Acronyms EUC EV EVAC EVM EVMU EWD EWS EX EX EXC EXCD EXCESS EXCG EXCN EXEC EXH EXP EXP EXPED EXPL EXT EXT EXT EXT EXT EXT PWR EXTC EXTCD EXTCG EXTCN EXTD EXTG EXTI EXTIG EXTING EXTIR EXTN EXTR EXTR EXTRACT EZ ENGINEERING UNIT CONVERSION ELECTRO VALVE EVACUATION ENGINE VIBRATION MONITORING ENGINE VIBRATION MONITORING UNIT ENGINE AND WARNING DISPLAY ELECTRONIC WARNING SYSTEM EXAMPLE EXTRACTOR EXCITATION EXITED EXCESSIVE EXCITING EXCITATION EXECUTE EXHAUST EXPANSION EXPEDITE EXPEDITE EXPLOSIVE EXTENDED EXTENSION EXTERIOR EXTERNAL EXTINGUISH, EXTINGUISHER, EXTINGUISHING EXTERNAL POWER EXTRACT EXTRACTED EXTRACTING EXTRACTION EXTENDED EXTENDING EXTINGUISH EXTINGUISHING EXTINGUISH, EXTINGUISHING EXTINGUISHER EXTENSION EXTRACTOR EXTRUSION EXTRACTION ELECTRICAL ZERO F F / C F / C F / C F / CTL F / D F / D F / E F / O F / S F / U F / W F F F F F FOXTROTT FIRST CLASS FLIGHT CONTROL FULLY CLOSED FLIGHT CONTROL FLIGHT DIRECTOR FUSELAGE DATUM FLIGHT ENGINEER FIRST OFFICER FAST / SLOW FOLLOW-UP FAILURE WARNING FAHRENHEIT FAULT FLAP FORWARD FREQUENCY

27 Aircraft Systems - Abbreviations and Acronyms 27 F F.DES FAA FAC FACS FADEC FAF FAIL FAIR FAL FANS FAOM FAR FAR FAR FAS FAV FAWP FBS FBW FC FC FC FC FCA FCB FCC FCC FCCS FCCU FCD FCD FCDC FCDC FCHC FCMC FCMS FCMS FCO FCOC FCOM FCPC FCPI FCRC FCSB FCSC FCST FCTL FCTN FCU FCU FCU FCV FD FD FDAU FDB FDBK FDDC FDDU FUEL FINAL DESCENT FEDERAL AVIATION ADMINISTRATION (USA) FLIGHT AUGMENTATION COMPUTER FLIGHT AUGMENTATION COMPUTER SYSTEM FULL AUTHORITY DIGITAL ENGINE CONTROL (SYSTEM) FINAL APPROACH FIX FAILED, FAILURE FAIRING FINAL ASSEMBLY LINE FUTURE AIR NAVIGATION SYSTEM FLIGHT ATTENDANT OPERATING MANUAL FEDERAL AVIATION REGULATIONS (USA) FORWARD ATTENDANT PANEL FUEL / AIR RATIO FLIGHT AUGMENTATION SYSTEM FAN AIR VALVE FINAL APPROACH WAYPOINT FIXED BASE SIMULATOR FLY BY WIRE FIRST CLASS FLIGHT CYCLE FREIGHT CONTAINER FULLY CLOSED FUEL CONTROL ASSEMBLY FLOOR CROSS BEAM FLIGHT CONTROL COMPUTER FORWARD CARGO COMPARTMENT FLIGHT CONTROL COMPUTER SYSTEM FLIGHT CONTROL COMPUTER UNIT FLIGHT CONTROL DISPLAY FULL COLOR DISPLAY FLIGHT CONTROL DATA COMPUTER FLIGHT CONTROL DATA CONCENTRATOR FORWARD CARGO HEAT CONTROLLER FLIGHT CONTROL MONITORING COMPUTER FUEL CONTROL AND MONITORING COMPUTER FUEL CONTROL MANAGING COMPUTER FUNCTION CODE OUTPUT FUEL COOLED OIL COOLER FLIGHT CREW OPERATING MANUAL FLIGHT CONTROL PRIMARY COMPUTER FIIGHT CONTROL POSITION INDICATOR FORWARD CREW REST COMPARTMENT FLIGHT COMPUTER SYSTEM BUS FLIGHT CONTROL SECONDARY COMPUTER FORECAST FLIGHT CONTROL FUNCTION FLIGHT CONTROL UNIT FLUSH CONTROL UNIT FUEL CONTROL UNIT FLOW CONTROL VALVE FLIGHT DIRECTOR FUSELAGE DATUM FLIGHT DATA ACQUISITION UNIT FLOOR DISCONNECT BOX FEEDBACK FLOPPY DISC DRIVE CONTROL FLOPPY DISC DRIVE UNIT

28 28 Aircraft Systems - Abbreviations and Acronyms FDDVA FDEP FDIU FDR FDS FDSU FDU FE FEC FEP FET FEW FF FF FFCC FFCCV FFP FFS FFS FG FGC FGN FGS FH FHD FI FIC FIDS FIDS FIDS FIFO FIG FIL FIL FILH FIM FIM FIM FIN FIR FIR FIS FIX FIX FL CH FL FL FL FL FLA FLA FLA.G FLA.G FLA.S FLAG FLC FLDK FLEX FLG FLOW DIVIDER AND DRAIN VALVE ASSEMBLY FLIGHT DATA ENTRY PANEL FLIGHT DATA INTERFACE UNIT FLIGHT DATA RECORDER FIRST DELIVERY STANDARD FLIGHT DATA STORAGE UNIT FIRE DETECTION UNIT FLIGHT ENVELOPE FLIGHT ENVELOPE COMPUTATION FLUOR ETHYLEN PROPYLEN FIELD EFFECT TRANSISTOR FUEL EMPTY WEIGHT FORM FEED FUEL FLOW FORWARD FACING CREW COCKPIT CONCEPT FAN FRAME COMPRESSOR CASE VIBRATION FIXED FORM PRICE FIRST FLIGHT STANDARD FULL FLIGHT SIMULATOR FLIGHT GUIDANCE FLIGHT GUIDANCE COMPUTER FOREIGN FLIGHT GUIDANCE SYSTEM FLIGHT HOURS FUEL HYDRANT DISPENSER FAULT ISOLATION FLIGHT CREW FAILURE INFORMATION DETECTION SYSTEM (DISPLAY) FAULT INDICATION AND DETECTION SYSTEM FAULT ISOLATION & DETECTION SYSTEM FIRST IN / FIRST OUT FIGURE FILAMENT FILLET FILLISTER HEAD FAULT ISOLATION MANUAL FAULT ISOLATION MEMORY FAULT ISOLATION MONITOR FUNCTIONAL ITEM NUMBER, FUNCTIONAL IDENTIFICATION NUMBER FLIGHT INFORMATION REGION FULL INDICATOR READING FLIGHT INFORMATION SERVICE APPROACH POINTS (INITIAL, INTERMEDIATE AND FINAL APPROACH FIX) FIXED FLIGHT LEVEL CHANGE FLIGHT LEVEL FLOOD FLOW FLUID FORWARD LOOKING AFT FUTURE LARGE AIRCRAFT FLAMMABLE COMPOUND GAS FLAMMABLE LIQUID FLAMMABLE SOLID WARNING INDICATION FOR FAILED SYSTEM FEEL AND LIMITATION COMPUTER FLIGHT DECK FLEXIBLE FLANGE

29 Aircraft Systems - Abbreviations and Acronyms 29 FLH FLIR FLOW FLP FLSCU FLSS FLT CTL FLT FLTN FLTPH FLX / MCT FLX TO FM FM FMA (APD) FMC FMGC FMGEC FMGES FMGS FMMS FMS FMU FMV FN FO FO FOB FOC FOD FPA FPAC FPEEPMS F-PLN FPPU FPV FQ FQI FQI FQI FQIC FQIS FQU FR FREQ FRM FRT FRTO FRV FSB FT / MN FT FT FU FWC FWD FWS FLAT HEAD FORWARD LOOKING INFRARED FUEL FLOW METER FLAP FUEL LEVEL SENSING CONTROL UNIT FUEL LEVEL SENSING SYSTEM FLIGHT CONTROL FLIGHT FLIGHT NUMBER FLIGHT PHASE FLEXIBLE TAKE OFF / MAXIMUM CONTINUOUS POWER FLEXIBLE TAKE OFF FLIGHT MANAGEMENT FREQUENCY MODULATION FLIGHT MODE ANNUNCIATOR (PANEL) FLIGHT MANAGEMENT COMPUTER FLIGHT MANAGEMENT AND GUIDANCE COMPUTER FLIGHT MANAGEMENT GUIDANCE AND ENVELOPE COMPUTER FLIGHT MANAGEMENT GUIDANCE AND ENVELOPE SYSTEM FLIGHT MANAGEMENT AND GUIDANCE SYSTEM FUEL MANIFOLD MODULATING VALVE FLIGHT MANAGEMENT SYSTEM FUEL METERING UNIT FUEL METERING VALVE ENGINE THRUST FAILED OPEN FULLY OPEN FUEL ON BOARD FREE OF CHARGE FOREIGN OBJECT DAMAGE FLIGHT PATH ANGLE FLIGHT PATH ACCELERATION FLOOR PATH EMERGENCY ESCAPE PATH MARKING SYSTEM FLIGHT PLAN FEED BACK POSITION PICK-OFF UNIT FLIGHT PATH VECTOR FUEL QUANTITY FUEL QUANTITY INDICATING FUEL QUANTITY INDICATION FUEL QUANTITY INDICATOR FUEL QUANTITY INDICATION COMPUTER FUEL QUANTITY INDICATION SYSTEM FUEL QUANTITY UNIT FRAME FREQUENCY FAULT REPORTING MANUAL FRONT CITY PAIR FROM / TO FUEL RETURN VALVE FASTEN SEAT BELTS FEET PER MINUTE FOOT / FEET FUEL TEMPERATURE FUEL USED FLIGHT WARNING COMPUTER FORWARD FLIGHT WARNING SYSTEM G GOLF

30 30 Aircraft Systems - Abbreviations and Acronyms G / A G / S G / S G G GA GAL GB GBX GCA GCU GE GEM GEN GFRP GIC GLA GLC GLE GLR GLS GMT GND GPCU GPS GPWC GPWS GRD GRND GRP GRU GRVTY GS GS GTCP GW GO AROUND GLIDE SLOPE GROUND SPEED GAIN GREEN GO AROUND GALLON GREAT BRITAIN GEARBOX GROUND CONTROLLED APPROACH GENERATOR CONTROL UNIT GENERAL ELECTRIC GROUND BASED ENGINE MONITORING GENERATOR GLASS FIBER REINFORCED PLASTIC GENERAL INSTRUCTION CARDS GENERATOR LOAD APU GENERATOR LINE CONTACTOR GENERATOR LOAD ENGINE GENERATOR LINE RELAY GLIDE SLOPE GREENWICH MEAN TIME GROUND GROUND POWER CONTROL UNIT GLOBAL POSITIONING SYSTEM (NAVSTAR) GROUND PROXIMITY WARNING COMPUTER GROUND PROXIMITY WARNING SYSTEM GROUND GROUND GEOGRAPHIC REFERENCE POINT GROUND REFRIGERATION UNIT GRAVITY GLIDE SLOPE GROUND SPEED GAS TURBINE ENGINE COMPRESSOR POWER GROSS WEIGHT H H H H HARDOVER HC HC HCF HCU HDG / S HDG HDL HF HI HL HLD HLDG HLTY HMU HOLD HORI HOT HOTEL HEIGHT HOT HOUR UNDESIRED SUDDEN MOVEMENT OF A/C BY FAULTY A/P SIGNAL HARNESS AND CONNECTOR HARNESS CABLE HEIGHT CYCLE FATIGUE HYDRAULIC CONTROL UNIT HEADING SELECTED HEADING HANDLE HIGH FREQUENCY HIGH HIGHLIGHTS HOLD HOLDING HEALTHY HYDRO MECHANICAL UNIT HOLDING HORIZON HIGH OIL TEMPERATURE

31 Aircraft Systems - Abbreviations and Acronyms 31 HP HP HPC HPCR HPSOV HPT HPTACC HPTACCS HPTC HPTCC HPTCCV HPTR HPV HSI HSMU HUD HUDC HV HVPS HYD HIGH PRESSURE HORSEPOWER HIGH PRESSURE COMPRESSOR HIGH PRESSURE COMPRESSOR ROTOR HIGH PRESSURE SHUTOFF VALVE HIGH PRESSURE TURBINE HIGH PRESSURE TURBINE ACTIVE CLEARANCE CONTROL HIGH PRESSURE TURBINE ACTIVE CLEARANCE CONTROL SYSTEM HIGH PRESSURE TURBINE CLEARANCE HIGH PRESSURE TURBINE (ACTIVE) CLEARANCE CONTROL HIGH PRESSURE TURBINE CLEARANCE CONTROL VALVE HIGH PRESSURE TURBINE ROTOR HIGH PRESSURE VALVE HORIZONTAL SITUATION INDICATOR HYDRAULIC SYSTEM MONITORING UNIT HEAD UP DISPLAY HEAD UP DISPLAY COMPUTER HIGH VOLTAGE HIGH VOLTAGE POWER SUPPLY HYDRAULIC I I / C I / F I / O I / P I / P I / P IAE IAF IAS IATA ICAO ID IDENT IDENT IDG HX IDG IF IFR IFSD IGB IGN IGV IGVA ILF ILS IM IMC IMM IMU INB INBD INBO INCON INCR INCREM IND INFO INDIA INSPECTION / CHECK INPUT PROCESSING & FAULT LOGIC INPUT / OUTPUT INPUT INTERCEPT POINT INTERCEPT PROFILE INTERNATIONAL AERO ENGINE: JAEC, ROLLS ROYCE, PRATT & WHIUNEY, MTU, FIAT AVIO INITIAL APPROACH FIX INDICATED AIR SPEED INTERNATIONAL AIR TRANSPORT ASSOCIATION INTERNATIONAL CIVIL AVIATION ORGANIZATION IDENTIFICATION IDENTIFICATION, IDENTIFIER SPECIAL IDENTIFICATION FOR ATC IDG OIL / FUEL HEAT EXCHANGER INTEGRATED DRIVE GENERATOR INTERMEDIATE FREQUENCY INSTRUMENT FLIGHT RULES IN FLIGHT SHUT DOWN INLET GEARBOX IGNITION INLET GUIDE VANE INLET GUIDE VANES ACTUATOR INPUT LATCHED FAILED INSTRUMENT LANDING SYSTEM (LOC AND G/S) INNER MARKER INSTRUMENT METEOROLOGICAL CONDITIONS IMMEDIATE INERTIAL MEASUREMENT UNIT INBOUND INBOARD INBOARD CHANNEL IN CONTROL (FADEC) INCREMENT INCREMENT INDICATION, INDICATOR INFORMATION

32 32 Aircraft Systems - Abbreviations and Acronyms INHIB INIT INL INOP INP INR INS INST INST INSTR INT INTCP INTIPF INTM INTPH INTRF INTRG INU INV IOT IP IPC IPC IPCV IPPU IPS IR IR IRS IRU ISA ISDU ISO ISOL ISS ISU ISV ITEM ITF IVS INHIBITION INITIAL, INITIALIZATION INLET INOPERATIVE INPUT INNER INERTIAL NAVIGATION SYSTEM INSTINCTIVE INSTRUMENTS INSTRUMENT INTERPHONE INTERCEPT INTERRUPT IN PROGRESS TEST FAILURE INTERMITTENT INTERPHONE INTERRUPT RETURN TEST FAILURE INTERROGATOR INERTIAL NAVIGATION UNIT INVERTER IN OPERATING TEST INTERMEDIATE PRESSURE ILLUSTRATED PARTS CATALOGUE INTERMEDIATE PRESSURE CHECK VALVE INTERMEDIATE PRESSURE BLEED CHECK VALVE INSTRUMENTATION POSITION PICK OFF UNIT INCH PER SECOND INERTIAL REFERENCE INFRARED INERTIAL REFERENCE SYSTEM INERTIAL REFERENCE UNIT INTERNATIONAL STANDARD ATMOSPHERE INERTIAL SYSTEM DISPLAY UNIT (IRS) INTERNATIONAL STANDARDIZATION ORGANIZATION ISOLATION INERTIAL SENSOR SYSTEM INERTIAL SENSOR UNIT INERTIAL VERTICAL SPEED ILLUSTRATED TOOL AND EQUIPMENT MANUAL INSTRUCTION TEST FAILURE INERTIAL VERTICAL SPEED J J JAA JAM JAMF JAMG JAR JB JCT JFET JIC JK JOG JPD JULIETT JUNCTION JOINT AVIATION AUTHORITY (EUROPE) JAMMED JET AIRCRAFT MAINTENANCE FUNDAMENTALS JAMMING JOINT AIRWORTHINESS REQUIREMENTS (REGULATIONS) (EUROPE) JUNCTION BOX JUNCTION JUNCTION FIELD EFFECT TRANSISTOR JOB INSTRUCTION CARDS JACK JOGGLE JAMMING PROTECTION DEVICE K K / A K KILO KEEP A LIVE KELVIN

33 Aircraft Systems - Abbreviations and Acronyms 33 KA KB KCAS KEAS KRUG KT KTS CATHODE KILO BYTE (1024 BYTES) KNOTS CALIBRATED AIR SPEED KNOTS EQUIVALENT AIR SPEED KRUGER (KRÜGER) KNOTS KNOTS L L & M L & T L / D L / E L / G L / H L L L LA LAF LAT REV LAT REV LAT LATG LATP LAV LBS LBS LBSF LC LCD LCDT LCF LCFS LCIT LCN LCSD LCTR LCV LDCC LDG LE LED LEP LF LF LFES LG / CTL LGCIU LGCPU LGDW LGPIU LH LHMLG LHS LIM LIS LK LL LIMA LOGIC AND MONITOR LOAD AND TRIM LIFT / DRAG LEADING EDGE LANDING GEAR LEFT HAND LAVATORY LEFT LENGTH LINEAR ACCELEROMETER LOAD ALLEVIATION FUNCTION LATERAL REVISE LATERAL REVISION LATITUDE BODY LATERAL ACCELERATION PRESENT POSITION LATITUDE LAVATORY LATERAL BEAM SENSOR POUNDS (MASS) POUNDS (FORCE) LOAD COMPRESSOR LIQUID CRYSTAL DISPLAY LOAD COMPRESSOR DISCHARGE TEMPERATURE (APU) LOW CYCLE FATIGUE LOAD COMPRESSOR FLOW SENSOR LOAD COMPRESSOR INLET TEMPERATURE (APU) LOAD CLASSIFICATION NUMBER LINE CHECK SUPPORTING DATA LOCATOR LOAD CONTROL VALVE LOWER DECK CARGO COMPARTMENT LANDING LEADING EDGE LIGHT EMITTING DIODE LIST OF EFFECTIVE PAGES LATCHED FAILED LOW FREQUENCY LANDING FIELD ELEVATION SELECTOR LANDING GEAR CONTROL LANDING GEAR CONTROL AND INTERFACE UNIT, LANDING GEAR CONTROL AND INDICATING UNIT LANDING GEAR CENTRAL PROCESSING UNIT LGCIU DISCRETE WORD LANDING GEAR POSITION INDICATOR UNIT, LANDING GEAR POSITION INTERFACE UNIT LEFT HAND LEFT HAND MAIN LANDING GEAR LEFT HAND SIDE LIMIT / LIMITATION LOCALIZER INERTIAL SMOOTHING LOCK LATITUDE / LONGITUDE

34 34 Aircraft Systems - Abbreviations and Acronyms LLS LLSK LNAV LO PR LO LOC LOGO LONG LONG LONGN LONP LOP LP VALVE LP LPC LPSOV LPT LPTACC LPTACCS LPTC LPTCC LPTR LRRA LRU LS 429 LSA LSB LSK LSR LT LTT LVDT LVL 1 CH LVL LW LEFT HAND SELECT KEY, LEFT LINE SELECT KEY LEFT HAND LINE SELECT KEY LATERAL NAVIGATION LOW PRESSURE LOW LOCALIZER LOGOGRAM BODY LONGITUDINAL ACCELERATION LONGITUDE LONGERON PRESENT POSITION LONGITUDE LOW OIL PRESSURE LOW PRESSURE VALVE LOW PRESSURE LOW PRESSURE COMPRESSOR LOW PRESSURE SHUTOFF VALVE LOW PRESSURE TURBINE LOW PRESSURE TURBINE ACTIVE CLEARANCE CONTROL LOW PRESSURE TURBINE ACTIVE CLEARANCE CONTROL SYSTEM LOW PRESSURE TURBINE CLEARANCE LOW PRESSURE TURBINE CLEARANCE CONTROL LOW PRESSURE TURBINE ROTOR LOW RANGE RADIO ALTIMETER LINE REPLACEABLE UNIT ARINC STANDARD 429, LOW SPEED, KBAUD LOW SPEED AILERON LEAST SIGNIFICANT BIT LINE SELECT KEY LAST SIGNIFICANT BIT LIGHT LEARNING THROUGH TEACHING LINEAR VARIABLE DIFFERENTIAL TRANSDUCER (TRANSFORMER) LEVEL CHANGE LEVEL LANDING WEIGHT M M / P M M MAC MAG DEC MAG VAR MAG MAGENTA MAGN MAINT MAN MASI MAX CLB MAX DES MAX END MAX MC MCD MCDU MCL MCP MCQ MIKE MAINTENANCE PRACTICE, MAINTENANCE PROCEDURE MACH NUMBER MAGENTA MEAN AERODYNAMIC CHORD MAGNETIC DECLINATION MAGNETIC VARIATION MAGNETIC COLOR MAGNETIC MAINTENANCE MANUAL MACH AIRSPEED INDICATOR MAXIMUM CLIMB MAXIMUM DESCENT MAXIMUM ENDURANCE MAXIMUM MASTER CAUTION MAGNETIC CHIP DETECTOR MULTIFUNCTION CONTROL AND DISPLAY UNIT, MULTIPURPOSE CONTROL AND DISPLAY UNIT MAXIMUM CLIMB MODE CONTROL PANEL MULTIPLE CHOICE QUESTIONNAIRE

35 Aircraft Systems - Abbreviations and Acronyms 35 MCT MCU MDA MDA MDDU MDH MEC MECH MED MEL MES MF MFA MH MI MIC MID MIL MIN ALT MIN FUEL MIN TIME MIN MISC MKR MLA MLCV MLG MLI MLS MLW MM MM MMEL MMH MMI MMO MN MN MNF MOD MODE - S MODE A MODE B MODE C MODE D MODE S MON MONG MOP MOP MOP MOT MOT MP MPD MPDS MRB MRBD MRDS MRIU MAXIMUM CONTINUOUS THRUST MODULAR CONCEPT UNIT MINIMUM DECISION ALTITUDE MINIMUM DESCENT ALTITUDE MULTIPURPOSE DISK DRIVE UNIT MINIMUM DECISION HEIGHT MAIN ENGINE CONTROL MECHANIC MEDIUM MINIMUM EQUIPMENT LIST MAIN ENGINE START MEDIUM FREQUENCY MEMORIZED FAULT ANNUNCIATOR MAGNETIC HEADING MAGNETIC INDICATOR MICROPHONE MIDDLE MILITARY INVENTORY (STANDARD) LIST MINIMUM ALTITUDE MINIMUM FUEL MINIMUM TIME MINIMUM MISCELLANEOUS MARKER (RADIO) BEACON MANEUVER LOAD ALLEVIATION MANIFOLD LEAKAGE CONTROL VALVE MAIN LANDING GEAR MAGNETIC LEVEL INDICATOR MICROWAVE LANDING SYSTEM MAXIMUM LANDING WEIGHT (AIRCRAFT) MAINTENANCE MANUAL MIDDLE MARKER MASTER MINIMUM EQUIPMENT LIST MAINTENANCE MANHOUR PER OPERATING HOUR MANUAL MAGNETIC INDICATOR MAXIMUM OPERATING MACH MACH NUMBER MINUTE MONITOR FAILURE MODIFICATION MODE SELECT TRANSPONDER MODE A: 4 DIGITS OCTAL CODE TRANSMISSION TRANSPONDER MODE B TRANSPONDER MODE C: ALTITUDE REPORTING TRANSPONDER MODE D TRANSPONDER MODE S: SELECTIVE, NECESSARY FOR TCAS MONITOR, MONITORED, MONITORING MONITORING MAIN OIL PRESSURE MAXIMUM OIL PRESSURE MINIMUM OIL PRESSURE MOTOR MOTOR OIL TEMPERATURE MAINTENANCE PRACTICE, MAINTENANCE PROCEDURE MAINTENANCE PLANNING DOCUMENT MAINTENANCE PLANNING DATA SUPPORT MAINTENANCE REVIEW BOARD MAINTENANCE REVIEW BOARD DOCUMENT MAINTENANCE AND RECORDING DATA SYSTEM MAINTENANCE AND RECORDING INTERFACE UNIT

36 36 Aircraft Systems - Abbreviations and Acronyms MS MSA MSB MSDS MSG MSL MSN MSTR MSU MTBF MTBR MTBUR MTG MTI MTI MTOGW MTOP MTOW MTP MTS MTSC MTW MU MUX MW MW MZFW MILITARY SPECIFICATION, MILITARY STANDARD MINIMUM SAFE ALTITUDE MOST SIGNIFICANT BIT (BYTE) MATERIAL SAFETY DATA SHEET MESSAGE MEAN SEA LEVEL MANUFACTURER SERIAL NUMBER MASTER MODE SELECTOR UNIT (IRS) MEAN TIME BETWEEN FAILURES MEAN TIME BETWEEN REMOVALS MEAN TIME BETWEEN UNSCHEDULED REMOVAL MOUNTING MOVING TARGET INDICATOR MULTI TANK INDICATOR MAXIMUM TAKE OFF GROSS WEIGHT MAINTENANCE TASK OPERATING PLAN MAXIMUM TAKE OFF WEIGHT MAINTENANCE AND TEST PANEL (AFS) MAINTENANCE TRAINING SIMULATOR MAINTENANCE TRAINING SUB - COMMITEE MAXIMUM TAKE OFF WEIGHT MANAGEMENT UNIT MULTIPLEX, MULTIPLEXER MAINTENANCE WORD MASTER WARNING 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

37 Aircraft Systems - Abbreviations and Acronyms 37 NGV NIL NLG NM NMI NO NO NORM NOVRAM NPA NRV NS / FSB PANEL NS NSS NTC NTM NTSB NTSC NUM NVM NW NOZZLE GUIDE VANE (APIC APU) N1 LIMIT NOSE LANDING GEAR NAUTICAL MILES NAUTICAL MILE NORMALLY OPEN NUMBER NORMAL NON VOLATILE READ ONLY MEMORY N APU PEAK NON RETURN VALVE NO SMOKING / FASTEN SEAT BELT PANEL NO SMOKING NEUTRAL SHIFT SENSOR NEGATIVE TEMPERATURE COEFFICIENT NON-DESTRUCTIVE TEST MANUAL NATIONAL TRANSPORTATION SAFETY BOARD (USA) NATIONAL TELEVISION STANDARDS COMMITTEE NUMERICAL NON VOLATILE MEMORY NOSE WHEEL O O / C O / F O / P O / V O2 OAP OAT OBD OBRM OBSV OC OCCPNT OCR OEB OFF / R OFFR OFST OGV OHSC OHU OI OIK OIL HX OIP OIQ OIQH OIT OK OLMS OM OMS ONS OPER OPP OPS OPT OSCAR OPEN CIRCUIT OUTPUT PROCESSING & FAULT LOGIC OUTPUT OUT FLOW VALVE OXYGEN OUTSIDE AIR PRESSURE OUTSIDE AIR TEMPERATURE OVERBOARD ON BOARD REPLACEABLE MODULE (MEMORY) OBSERVATION ON COURSE OCCUPANT OPTICAL CHARACTER READING OPERATIONS ENGINEERING BULLETIN OFF / RESET OFF / RESET OFFSET OUTLET GUIDE VANE OVERHEAD STOWAGE COMPARTMENTS OPTICAL HEAD UNIT OPERATING INSTRUCTIONS OIL QUANTITY CORRECTED ENGINE OIL HEAT EXCHANGER OIL PRESSURE OIL QUANTITY OIL CONSUMPTION OIL TEMPERATURE CORRECT OPERATIONAL LOADS MONITORING SYSTEM OUTER MARKER ONBOARD MAINTENANCE SYSTEM OMEGA NAVIGATION SYSTEM OPERATING, OPERATION, OPERATIVE OPPOSITE OPERATION OPTIMUM

38 38 Aircraft Systems - Abbreviations and Acronyms OPV ORM OS OSG OSH OSS OT OTA OUT OUTB OUTBD OUTR OV OV OVBD OVHD OVHT OVP OVP OVP OVPRESS OVRD OVSP PROT OVSPD OXY OVER PRESSURE VALVE ONBOARD REPLACEABLE MODULE OVER SPEED OVER SPEED GOVERNOR ON BOARD SOFTWARE HANDLING OVER STATION SENSOR OVER TEMPERATURE OIL SUMP TEMPERATURE (APU) OUTLET OUTBOUND OUTBOARD OUTER OUT FLOW VALVE OVER OVERBOARD OVERHEAD OVERHEAT OUTFLOW VALVE POSITION OVER PRESSURE OVER PRESSURE VALVE OVER PRESSURE OVERRIDE OVER SPEED PROTECTION OVER SPEED OXYGEN P P P - ALT P - CLB P - DES P - MACH P - SPEED P / B P / BSW P / C P / N P / RST P0 PA PAM PAMB PAR PARK PAS PAS PAX PB PB PB PBE PBV PC / PB PC PCB PCE PCM PCR PCSW PAPA DIFFERENTIAL PRESSURE PROFILE ALTITUDE PROFILE CLIMB PROFILE DESCENT PROFILE MACH PROFILE SPEED PUSH BUTTON (SWITCH) PUSH BUTTON SWITCH PRESSURE CASE PART NUMBER PUSH TO REST AMBIENT STATIC AIR PRESSURE PASSENGER ADDRESS / PUBLIC ADDRESS PULSE AMPLITUDE MODULATION PRESSURE AMBIENT PRECISION APPROACH RADAR PARKING PATH ATTITUDE SENSOR PITCH ATTITUDE SENSOR PASSENGERS BURNER PRESSURE PRESSURE BYPASS PUSH BUTTON (SWITCH) PROTECTIVE BREATHING EQUIPMENT PACK BYPASS VALVE PRESSURE COMPRESSOR / PRESSURE BURNER PRESSURE CASE PRINTED CIRCUIT BOARD PRE COOLER ENTRANCE PULSE CODE MODULATION PRESSURE CASE REGULATED PITCH CONTROL WHEEL STEERING

39 Aircraft Systems - Abbreviations and Acronyms 39 PCU PD PDU PDU PED PERF PES CTRL PES PF PFD PFDVC PFR PG PH PHC PIPC PIREP PIU PLD PMA PMC PMDB PMG PMR PMUX PN PNEU PNF PNL POB POS POSN POT PPH PPI PPM PPOS PPS PPU PR PR PRAM PRE FLT PRECOOL PRED PREREC PRESEL PRESS PREV PREV PRIM PRIM PROC T PROC PROF PROG PROM PROT PROTEC PROX SNSR POWER CONTROL UNIT PRE COOLER INLET PRESSURE PILOT DISPLAY UNIT POWER DRIVE UNIT PEDESTAL PERFORMANCE PASSENGER ENTERTAINMENT SYSTEM CONTROLLER PASSENGER ENTERTAINMENT SYSTEM PILOT FLYING PRIMARY FLIGHT DISPLAY PRESSURE FLOW DIVIDER VALVE CARTRIDGE POST FLIGHT REPORT PAGE POUNDS PER HOUR PROBE HEAT COMPUTER POWER PLANT ILLUSTRATED PARTS CATALOG PILOT REPORTS PASSENGER INFORMATION UNIT PROGRAMMABLE LOGIC DEVICE PERMANENT MAGNETIC ALTERNATOR POWER MANAGEMENT CONTROL PRODUCTION MANAGEMENT DATA BASE PERMANENT MAGNETIC GENERATOR PERFORMANCE MAINTENANCE RECORDER POWER MULTIPLEXER, POWER PLANT MULTIPLEXER PART NUMBER PNEUMATIC PILOT NON FLYING PANEL PRESSURE OFF BRAKE POSITION POSITION POTENTIOMETER POUNDS PER HOUR PLANNED POSITION INDICATOR PULSE POSITION MODULATION PRESENT POSITION POUNDS PER SECOND POSITION PICK OFF UNIT PRESSURE REGULATED PRESSURE (DOWNSTREAM OF BLEED VALVE) PRERECORDED ANNOUNCEMENT MONITOR PRE FLIGHT PRE COOLER PREDICTION PRE RECORDED PRESELECTOR PRESSURE, PRESSURIZATION PREVIOUS (PAGE) PREVISION FLIGHT CONTROL PRIMARY COMPUTER (FCPC) PRIMARY PROCEDURE TURN PROCEDURE PROFILE (VERTICAL) PROGRESS PROGRAMMABLE READ ONLY MEMORY PROTECTION PROTECTION PROXIMITY SENSOR

40 40 Aircraft Systems - Abbreviations and Acronyms PROX PRSOV PRTR PRV PS PS PSB PSC PSCU PSH PSI PSIA PSID PSIG PSIU PSNSRF PSR PSRM PSS PSS PSU PSW PT PT PTC PTCH PTCR PTFE PTP PTR PTT PTU PU PUT PW PWA PWM PWR SPLY PWR Q D PROXIMITY PRESSURE RAISING AND SHUTOFF VALVE PRINTER PRESSURE REGULATOR VALVE POWER SECTION PUMP SUPPLY PRESSURE BEARING PRESSURE PRE SET COURSE PROXIMITY SWITCH CONTROL UNIT PRE SET HEADING POUNDS PER SQUARE INCH (14.5 PSI = 1 BAR) POUNDS PER SQUARE INCH ABSOLUTE POUNDS PER SQUARE INCH DIFFERENTIAL POUNDS PER SQUARE INCH GAUGE PASSENGER SERVICE AND INFORMATION UNIT PRESSURE SENSOR FAILURE PRIMARY SURVEILLANCE RADAR POWER PLANT STRUCTURAL REPAIR MANUAL PASSENGER SERVICE SYSTEM PRESSURE SUB SYSTEM (ECU) PASSENGER SERVICE UNIT PRESSURE SWITCH POINT TOTAL AIR PRESSURE POSITIVE TEMPERATURE COEFFICIENT PITCH ANGLE BODY AXIS PITCH RATE TEFLON PROGRAMMING AND TEST PANEL PRINTER PUSH TO TALK POWER TRANSFER UNIT (HYDRAULIC) POWER UNIT POWER UP TEST PRATT AND WHITNEY PRINTED WIRING ASSEMBLY PULSE WIDTH MODULATOR POWER SUPPLY POWER (ENGINE, ELECTRIC, HYDRAULIC, PNEUMATIC) QUICK DONNING Q QAD RING QAD QAR QDM QDR QEC QFE QFF QFU QNE QNH QTE QTY QUJ QUEBEC QUICK ATTACH DETACH RING QUICK ATTACH DETACH QUICK ACCESS RECORDER MAGNETIC DIRECTION TO STATION TRUE DIRECTION FROM STATION QUICK ENGINE CHANGE FIELD ELEVATION ATMOSPHERE PRESSURE RUNWAY HEADING RUNWAY HEADING SEA LEVEL STANDARD ATMOSPHERE PRESSURE ( HPA) SEA LEVEL ATMOSPHERE PRESSURE TRUE DIRECTION TO STATION QUANTITY MAGNETIC DIRECTION FROM STATION R R / A ROMEO RADIO ALTIMETER, RADIO ALTITUDE, RADIO HEIGHT

41 Aircraft Systems - Abbreviations and Acronyms 41 R / D R / H R / I R / I R / L R R R RA RA RAC / SB RAC RACC RACCS RAD / ALT RAD RADAR RAI RALR RALT RAM RAO RAT RC RCCB RCDR RCL RCPT RCPTN RCVR RCWS RD RDDMI RDS REC RECIRC RECT REF REFUEL REG REL RET RETRD REV RF RFI RH RHMLG RHS RI RIL RLS RLSK RLY RMI RMP RMS RMU RMU RNAV REFUEL / DEFUEL RIGHT HAND RADIO / INERTIAL REMOVAL / INSTALLATION READING LIGHT RED REVISED (PAGES) RIGHT RADIO ALTIMETER, RADIO ALTITUDE, RADIO HEIGHT RESOLUTION ADVISORY (TCAS) ROTOR ACTIVE CLEARANCE / START BLEED ROTOR ACTIVE CLEARANCE ROTOR ACTIVE CLEARANCE CONTROL ROTOR ACTIVE CLEARANCE CONTROL SYSTEM RADIO ALTIMETER RADIO RADIO DETECTING AND RANGING RAM AIR INLET (PACK) RADIO ALTITUDE RATE RADIO ALTITUDE RANDOM ACCESS MEMORY RAM AIR OUTLET (PACK) RAM AIR TURBINE REPETITIVE CHIME REMOTE CONTROL CIRCUIT BREAKER RECORDER RECALL RECEPTACLE RECEPTION RECEIVER ROLL CONTROL WHEEL STEERING RIGHT DISPLAY RADIO DIRECTION DISTANCE MAGNETIC INDICATOR DRIVE SHAFT HOUSING RECOVERY RECIRCULATION RECTIFIER REFERENCE REFUELING REGULATOR, REGULATION RELEASE RETURN RETRACTED REVERSE RADIO FREQUENCY REQUEST FOR INFORMATION RIGHT HAND RIGHT HAND MAIN LANDING GEAR RIGHT HAND SIDE RAM AIR INLET DOOR (PACK) RETROFIT INFORMATION LETTER RIGHT LINE SELECT KEY RIGHT LINE SELECT KEY RELAY RADIO MAGNETIC INDICATOR RADIO MANAGEMENT PANEL ROOT MEANS SQUARE RADIO MAGNETIC UNIT RADIO MANAGEMENT UNIT AREA NAVIGATION

42 42 Aircraft Systems - Abbreviations and Acronyms RNG RO ROLL ROLR ROM ROR RPLNT RPLNT RPM RPT RPT RPTG RPU RQRD RSV RSVR RT RT RTD RTD RTD RTD RTE RTL RTOK RTS RTV RUD RUDD RUDT RVDT RVR RVS RWY RX RANGE RAM AIR OUTLET DOOR (PACK) ROLL ANGLE BODY AXIS ROLL RATE READ ONLY MEMORY RECORD OF REVISIONS RAIN REPELLENT REPELLENT REVOLUTIONS PER MINUTE REGULATED PRESSURE TRANSDUCER REPORT REPEATING RESERVOIR PRESSURIZATION UNIT REQUIRED RESERVE RESERVOIR RECEIVER - TRANSMITTER RUDDERTRIM RESISTANCE TEMPERATURE DETECTOR RESISTANCE TEMPERATURE DETECTOR (SENSOR) RESISTANCE TEMPERATURE DEVICE RESISTIVE THERMAL DEVICE ROUTE RUDDER TRAVEL LIMITATION RETEST OK, TEST RESULT OK RETURN TO SEAT ROOM TEMPERATURE VULCANIZING (MATERIAL) RUDDER RUDDER RUDDER TRIM ROTARY VARIABLE DIFFERENTIAL TRANSDUCER (TRANSFORMER) RUNWAY VISUAL RANGE REVERSE RUNWAY TORQUE RECEIVER SYNCHRO S S / C S / D S / D S / F S / N S / R S / V S S S SAL SAR SAR SASPO SAT SAV SB SC SC SCAV SCN SCV SIERRA STEP CLIMB SHUTDOWN STEP DESCENT SLATS / FLAPS SERIAL NUMBER SERVICE REQUEST SHOP VISIT MINIMUM SLAT RETRACT SPEED SERVICING SOUTH SYSTEM ADDRESS LABEL SEARCH AND RESCUE SMART AIRBORNE RECORDER SOON AS POSSIBLE STATIC AIR TEMPERATURE STARTER AIR VALVE SERVICE BULLETIN SELECTED AFT CABIN COMPARTMENT TEMPERATURE SINGLE CHIME SCAVENGE SPECIFICATION CHANGE NOTICE SOLENOID CONTROLLED VALVE

43 Aircraft Systems - Abbreviations and Acronyms 43 SCV SD SD SD SDAC SDCU SDI SDN SDN SEC SEC SEC SECT SEL SELCAL SENS SERVO HX SFC SFCC SFE SG SGU SHDBL SHED SHF SHP SIC SID SIG SIL SIL SIM SLFT SLS SLS SLT SM SM SMP SMP SMR SN SNECMA SNSG SNSR SO SOL VLV SOL SOTM SOV SPD BRK SPD LIM SPD SPEC SPFL SPI SPIP SPKR SPL SPLR SURGE CONTROL VALVE SHUTDOWN SUPPORTING DATA SYSTEM DISPLAY SYSTEM DATA ACQUISITION CONCENTRATOR SMOKE DETECTION CONTROL UNIT SOURCE DATA IDENTIFIER SHUTDOWN SYSTEM DESCRIPTION NOTE FLIGHT CONTROL SECONDARY COMPUTER (FCSC) SECONDARY SPOILER ELEVATOR COMPUTER SECTION SELECT, SELECTED, SELECTOR SELECTIVE CALLING SYSTEM SENSITIVITY SERVO FUEL HEATER SPECIFIC FUEL CONSUMPTION SLAT AND FLAP CONTROL COMPUTER SELLER FURNISHED EQUIPMENT SPECIFIC GRAVITY SYMBOL GENERATOR UNIT SHEDDABLE SHEDDING SUPER HIGH FREQUENCY SHAFT HORSE POWER SYSTEM ISOLATION CONTACTOR STANDARD INSTRUMENT DEPARTURE (PROCEDURE) SIGNAL SERVICE INFORMATION LETTER SPEECH INTERFACE LEVEL SIMULATION SEA LEVEL FEET SEA LEVEL STANDARD ( HPA) SIDE - LOBE SUPPRESSION SLAT SCHEDULED MAINTENANCE STATUS MATRIX SOFTWARE MANAGEMENT PLAN SUMP SCHEDULED MAINTENANCE REPORT SERIAL NUMBER SOCIÉTÉ NATIONAL D'ETUDE ET DE CONSTRUCTION DE MONTEURS D'AVIATION SENSING SENSOR SHUT OFF SOLENOID VALVE SOLENOID SYSTEM OPERATION TRAINING MANUAL SHUT OFF VALVE SPEED BRAKE SPEED LIMIT SPEED SPECIFICATION SPRING FAILED ADDITIONAL PULSE FOR IDENT (ATC) IDENT PULSE SPEAKER SOUND PRESSURE LEVEL SPOILER

44 44 Aircraft Systems - Abbreviations and Acronyms SPLY SPM SPS SQ SR SRM SRS SRS SSB SSC SSEC SSLC SSM SSR SSTU SSV STA STA STAB STALL STAR STARTER STARTG STAT INV STAT STBY STD STD STDBY STEER STGR STRG STS STX SV SV SV SVA SVCE SVR SW SW SW SWTG SYM SYNC SYS SUPPLY STANDARD PRACTICES MANUAL SUNDSTRAND POWER SYSTEM SQUELCH SERVICE REQUEST STRUCTURAL REPAIR MANUAL SPEED REFERENCE SYSTEM SPEED REFERENCE SYSTEM SINGLE SIDE BAND SINGLE STROKE CHIME STATIC SOURCE ERROR CORRECTION SINGLE SHAFT LOAD COMPRESSOR SIGN STATUS MATRIX SECONDARY SURVEILLANCE RADAR SIDE STICK TRANSDUCER UNIT SOLENOID SERVO VALVE APU START TIME STATION STABILIZER, STABILIZATION BREAKDOWN OF LIFT, SPEED BELOW MINIMUM SPEED STANDARD TERMINAL ARRIVAL ROUTE ENGINE AIR STARTER STARTING STATIC INVERTER STATIC STANDBY STANDARD STANDARD (ATMOSPHERIC PRESSURE, HPA, TEMPERATURE 15 C) STANDBY STEERING STRINGER STEERING STATUS START OF TEXT SERVO VALVE SHOP VISIT SOLENOID VALVE, SOLENOID CONTROLLED VALVE STATOR VANE ACTUATOR SERVICE SHOP VISIT RATE SOFTWARE STATUS WORD SWITCH SWITCHING SYMMETRY SYNCHRONIZE SYSTEM T T / C T / C T / D T / E T / O T / R T / REV T T T TANGO THERMOCOUPLE TOP OF CLIMB TOP OF DESCENT TRAILING EDGE TAKE OFF THRUST REVERSER, REVERSE THRUST THRUST REVERSER TOTAL TRUE TURN

45 Aircraft Systems - Abbreviations and Acronyms 45 TA TA TACAN TACT TAPRV TAS TAT TAT TAV TBC TBD TC TC TC TCAS TCAS TCC TCC TCC TCFL TCJC TCT TCV TD TDC TDO TE TEC TECU TEMP TEO TFU TGB TGT THDG THP THR THS TIPIS TK TK TK TKE TKF TLA TLA TLR TLT TLU TM TM TMC TMR TMR TN TNR TO / GA TO TOBI TOGA TRAFFIC ADVISORY TRAFFIC ALERT (TCAS) TACTICAL AIRCRAFT NAVIGATION TACTICAL TRIM AIR PRESSURE REGULATING VALVE TRUE AIRSPEED TOTAL AIR TEMPERATURE TURN AROUND TIME TRIM AIR VALVE TO BE CONFIRMED TO BE DETERMINED HIGH PRESSURE TURBINE CASE TEMPERATURE THERMO CONNECTOR THERMOCOUPLE TRAFFIC COLLISION ALERT SYSTEM OR THREAT-ANALYSIS SYSTEM OR TRAFFIC COLLISION AVOIDANCE SYSTEM OR THREAT ALERT AND COLLISION AVOIDANCE SYSTEM THRUST CONTROL COMPUTER TURBINE CASE COOLED TEMPERATURE TURBINE CLEARANCE CONTROL THERMO COUPLE FAILED THERMOCOUPLE COLD JUNCTION TEMPERATURE TEMPERATURE CONTROL THERMOSTAT TEMPERATURE CONTROL VALVE TIME DELAY TIME DELAY CLOSING TIME DELAY OPENING TRAILING EDGE TURBINE EXHAUST CASE ELECTRONIC CONTROL UNIT INTERNAL TEMPERATURE TEMPERATURE TEMPERATURE ENGINE OIL TECHNICAL FOLLOW UP TRANSFER GEARBOX TARGET TRUE HEADING HIGH PRESSURE FUEL TEMPERATURE THRUST TRIMMABLE HORIZONTAL STABILIZER TIRE PRESSURE INDICATION SYSTEM GROUND TRACK ANGLE TANK TRACK, TRACK ANGLE TRACK ANGLE ERROR TRACK CHECK FAILURE THROTTLE LEVER ANGLE THRUST LEVER ANGLE THRUST LEVER RESOLVER (ANGLE) TEMPERATURE LIMITATION THERMOSTAT TRAVEL LIMIT UNIT (RUDDER) TORQUE MOTOR TURBOMECA TORQUE MOTOR CURRENT TIMER TIMER RESET (PB) NACELLE TEMPERATURE TN REFERENCE TAKE OFF / GO AROUND TAKE OFF TANGENTIAL OUTBOARD INJECTOR TAKE OFF / GO AROUND

46 46 Aircraft Systems - Abbreviations and Acronyms TOGW TORA TOT TOW TOW TP TP TPIC TPIS TPO TPT TR TR TR TR TRA TRANS TRANSF TRC TRDV TRF TRK TRK TROPO TRP TRP TRPV TRU TRV TSH TSI TSM TSN TSO TSO TTG TTK TTS TURB TURB TW TWR TX TAKE OFF GROSS WEIGHT TAKE OFF RUN AVAILABLE TOTAL TAKE OFF WEIGHT TOWING PACK OUTLET TEMPERATURE TURN POINT TIRE PRESSURE INDICATING COMPUTER TIRE PRESSURE INDICATING SYSTEM PRE COOLER OUTLET TEMP TRANSFER PRESSURE TRANSDUCER THRUST REVERSER, REVERSE THRUST TEMPORARY REVISION (NUMBER) TRANSFORMER RECTIFIER TURN RADIUS THROTTLE RESOLVER ANGLE TRANSITION TRANSFER THRUST RATING COMPUTER THRUST REVERSER DIRECTIONAL VALVE TURBINE REAR FRAME TRACK TRACK, TRACK ANGLE TROPOPAUSE THRUST RATE PANEL / THRUST RATING PANEL TOTAL RADIATED POWER THRUST REVERSER PRESSURIZING VALVE TRANSFORMER RECTIFIER UNIT TRAVEL TROUBLE SHOOTING HANDBOOK TIME SINCE INSTALLATION (HOURS) TROUBLE SHOOTING MANUAL TIME SINCE NEW (HOURS) TECHNICAL STANDARD ORDER TIME SINCE OVERHAUL TIME TO GO TRIM TANK TOTAL TECHNICAL SUPPORT TURBINE TURBULENCE, TURBULENT WATER EXTRACT TEMP (PACK) CONTROL TOWER TORQUE TRANSMITTER SYNCHRO U U / C U / FULL U / J U / S UAC UART UDC UDL UER UF UF UFD UHF ULB UNIFORM UNDER CARRIAGE UNDER FULL UNIVERSAL JOINT UNSERVICEABLE UPPER AREA CONTROL CENTRE UNIVERSAL ASYNCHRONOUS RECEIVER / TRANSMITTER UPPER DECK CARGO UNIT DETAIL LISTING UNSCHEDULED ENGINE REMOVAL UNDER FREQUENCY UPLINK FORMAT UNIT FAULT DATA ULTRA HIGH FREQUENCY UNDER WATER LOCATOR BEACON

47 Aircraft Systems - Abbreviations and Acronyms 47 ULD UNBAL UNCPLG UNCRCTD UND UNIV UNLK UNLKD UNRGLTD UNSD UP UP UPD UPLK UPR UR US US US USA USB USD USG USGAL USR. USS UTA UTC UUT UV UV UVEROM UWY UNIT LOADING DEVICE UNBALANCE UNCOUPLING UNCORRECTED UNDER UNIVERSAL UNLOCK UNLOCKED UNREGULATED UNUSED UNIT SEPARATOR UPPER UPDATE UPLOCK UPPER UTILIZATION RATE ULTRA SONIC UNDER SPEED UNITED STATES UNITED STATES OF AMERICA UPPER SIDE BAND US DOLLAR US GALLON US GALLON UNDER SPEED RELAY UNDER SPEED SENSOR UPPER CONTROL AREA UNIVERSAL TIME COORDINATED (REPLACES FORMER GMT) UNIT UNDER TEST ULTRA VIOLET UNDER VOLTAGE ULTRA VIOLET ERASABLE READ ONLY MEMORY UPPER AIRWAY V V - BARS V / S V V V1 V2 V3 V4 VA VAC VAC VACBI VACC VB VB VB1 VB2 VBS VBV VBV VBVF VC VC VCTREND VICTOR TYPE OF FLIGHT DIRECTOR INDICATOR POINTERS VERTICAL SPEED SPEED VALVE CRITICAL ENGINE FAILURE SPEED TAKE OFF SAFETY SPEED FLAP RETRACTION SPEED SLAT RETRACTION SPEED CABIN TEMP AFT VACUUM VOLTAGE, ALTERNATE CURRENT VIDEO AND COMPUTER BASED INSTRUCTION (AIRBUS) VERTICAL ACCELERATION VALVE BLOCK VIBRATION N1 VIBRATION ENG N2 VIBRATION ENG VERTICAL BEAM SENSOR VARIABLE BLEED VALVE VARIABLE BYPASS VALVE VARIABLE BLEED FEEDBACK CALIBRATED AIRSPEED DESIGN CRUISING SPEED AIRSPEED TENDENCY

48 48 Aircraft Systems - Abbreviations and Acronyms VDC VDEV VEL VENT VERT VF VFE VFEN VFR VFTO VG VHF VHV VIB VISV VLE VLF VLS VLV VM VM VMAN VMAX VMIN VMO VNAV VOL VOR VOR-D VORTAC VPSN VR VREF VRTG VS VS VSC VSCB VSI VSL VSS VSV VSV VSW VSWR VV VW VOLTAGE, DIRECT CURRENT VERTICAL DEVIATION VELOCITY VENTILATION VERTICAL CABIN TEMPERATURE FORWARD MAXI VELOCITY FLAPS EXTENDED SPEED VFE NEXT, PREDICTIVE VFE AT NEXT FLAP / SLAT POSITION VISUAL FLIGHT RULES FINAL TAKE OFF SPEED VERTICAL GYRO VERY HIGH FREQUENCY VERY HIGH VOLTAGE VIBRATION VARIABLE INLET STATOR VANE MAXIMUM LANDING GEAR EXTENDED SPEED VERY LOW FREQUENCY LOWEST SELECTABLE SPEED VALVE RECOMMENDED MANEUVERING SPEED VOLTMETER MANEUVERING SPEED MAXIMUM OPERATING SPEED MINIMUM OPERATING SPEED MAXIMUM OPERATING SPEED VERTICAL NAVIGATION VOLUME VERY HIGH FREQUENCY OMNI DIRECTIONAL RANGE VOR - DME VOR - TACAN VALVE POSITION ROTATION SPEED LANDING REFERENCE SPEED BODY NORMAL ACCELERATION VERTICAL SPEED STALLING SPEED VACUUM SYSTEM CONTROLLER CABIN VERTICAL SPEED VERTICAL SPEED INDICATOR VERTICAL SPEED LIMIT STICK SHAKER SPEED COMPRESSOR STATOR VANE ACTUATOR VARIABLE STATOR VANE STALL WARNING SPEED VOLTAGE STANDING WAVE RATIO VICE VERSA CABIN TEMP W W W W W WAF WAI WARN WAYPOINT WB WBC WHISKY WEIGHT WEST WHITE WIRE WRAP - AROUND FAILURES WING ANTI-ICE WARNING EN ROUTE NAVIGATION FIX BLEED AIR FLOW WEIGHT AND BALANCE COMPUTER

49 Aircraft Systems - Abbreviations and Acronyms 49 WBS WD WD WF WFM WFQ WGD WHC WIPCU WL WLDP WNDW WOW WP WPT WR WS WSHLD WT WTB WX WXR WXR WEIGHT AND BALANCE SYSTEM WARNING DISPLAY WIND DIRECTION TRUE WEIGHT FUEL WEIGHT OF FUEL METERED, FUEL MASS FLOW TOTAL FUEL QUANTITY WINDSHIELD GUIDANCE DISPLAY WINDOW HEAT COMPUTER WATER ICE PROTECTION CONTROL UNIT WATER LINE WARNING LIGHT DISPLAY PANEL WINDOW WEIGHT ON WHEELS (SIGNAL) WAYPOINT WAYPOINT WEATHER RADAR WIND SPEED WINDSHIELD WEIGHT WING TIP BRAKE WEATHER MODE (ND) WEATHER RADAR WEATHER RADAR TRANSCEIVER X X X XARM XBAR XBLEED XCEIVER XCF XCVR XDCR XFEED XFER XFMR XFR XLINE XLTR XMITTER XMSN XMTR XPDR XPONDER XREF XTAL XTALK XTE XTK XTK XTKE XVALVE X-RAY LONGITUDINAL REFERENCE AXIS TRANS CROSS ARM CROSSBAR CROSS BLEED TRANSCEIVER CROSS CHECK FAILURE TRANSCEIVER TRANSDUCER CROSS FEED TRANSFER TRANSFORMER TRANSFER CROSS LINE TRANSLATOR TRANSMITTER TRANSMISSION TRANSMITTER TRANSPONDER TRANSPONDER CROSS REFERENCE CRYSTAL CROSS TALK CROSS TRACK ERROR CROSS TRACK CROSS TRACK DEVIATION CROSS TRACK ERROR CROSS VALVE Y Y / N Y Y Y-ARM YANKEE YES / NO HORIZONTAL REFERENCE AXIS YELLOW LATERAL ARM

50 50 Aircraft Systems - Abbreviations and Acronyms YC YCF YCR YD YEL YES ECONOMY CLASS, TOURIST CLASS ECONOMY CLASS FRONT ECONOMY CLASS REAR YAW DAMPER YELLOW YANKEE ESCAPE SYSTEM Z Z Z Z Z Z ZA ZAJB Z-ARM ZC ZCB ZD ZFCG ZFW ZLD ZOTC ZP ZPI ZULU ZULU ALTITUDE INTERIOR PANEL TIME (UTC) VERTICAL REFERENCE AXIS ZONE PRESSURE ALTITUDE ZONE AUDIO JUNCTION BOX VERTICAL ARM ZONE CONTROLLER CABIN ALTITUDE ZENER DIODE ZERO FUEL CENTER OF GRAVITY ZERO FUEL WEIGHT LANDING ELEVATION ZONE TEMPERATURE CONTROLLER PRESSURE ALTITUDE INDICATED PRESSURE ALTITUDE ZULU TIME = UTC