3D Three Dimensional (Lat, Long, Alt) 4D Four Dimensional (Lat, Long, Alt, Time)
A Air
A Alternate
A Amber
A Ampere
A Area
A-D Airbus Deutschland
A-E Airbus Espana
A-F Airbus France
A-UK Airbus UK
AA Airworthiness Authorities
AA Arithmetical Average
AAAH Airbus Approved Abbreviations Handbook AAC Airline Administrative Communications
AADC Analog Air Data Computer
AAL Above Aerodrome Level
AAMG Airbus Application Management Group
AAP Additional Attendant Panel
AAP Aft Attendant Panel
ABBR Abbreviation
ABCD Airbus Collective Data Dictionary ABCU Alternate Braking Control Unit ABD Airbus Directive and Procedure
ABM Abeam
ABM APU Build-up Manual
ABNORM Abnormal
ABRN Airborne
ABS Autobrake System
ABS VAL Absolute Value
ABSORB Absorber
ABV Above
AC Advisory Circular
AC Airplane Characteristics for Airport Planning
AC Alternating Current
ACARS Aircraft Communication Addressing and Reporting System ACAS Airborne Collision Avoidance System
ACC Active Clearance Control
ACC Area Control Centre
ACCEL Acceleration/Accelerate
ACCESS Accessory
ACCLRM Accelerometer
ACCU Accumulator
ACCUR Accuracy
ACD Airframe Certification Document
ACD Airworthiness Certification Dossier
ACDB Aircraft Component Data Base
ACE Airbus Concurrent Engineering
ACE Altimeter Control Equipment
ACFT Aircraft
ACFU Aircraft Check Follow Up
ACIA Asynchronous Communications Interface Adaptor
ACJ Advisory Circular-Joint
ACK Acknowledge
ACM Abbreviated Component Maintenance Manual
ACM Aircraft Configuration Matrix
ACM Aircraft Conversion Manual
ACMB Aircraft Configuration Management Board ACMM Abbreviated Component Maintenance Manual ACMM Aircraft Configuration Meta Model
ACMP Airframe Condition Monitoring Procedure ACMR Aircraft Configuration Management Rules ACMS Aircraft Condition Monitoring System ACMT Aircraft Component Management Team ACN Aircraft Classification Number
ACOB Automatic Call Out Box
ACOC Air Cooled Oil Cooler
ACP Altimeter Check Point
ACP Area Call Panel
ACP Audio Control Panel
ACQ Acquire
ACQN Acquisition
ACR Avionics Communication Router
ACRT Additional Cross Reference Table
ACS Access
ACS Alternating Current Supply
ACT Active
ACT Activity
ACT Additional Center Tank
ACTD Actuated
ACTG Actuating
ACTIV Active
ACTN Action
ACTR Actuator
ACTVT Activate
ACU Antenna Coupler Unit
ACVR Alternating Current Voltage Ratio
AD Aerodrome
AD Airplane Datum
AD Airworthiness Directive
ADAM Airbus Spares Distribution and Materials System ADAU Auxiliary Data Acquisition Unit
ADB Area Distribution Box
ADC Air Data Computer
ADC Airbus Delivery Centre
ADCL Airworthiness Directives Compliance List ADCN Avionics Data Communication Network ADCOMS Advanced Configuration Management System
ADD Addition, Additional
ADD Aircraft Description Data Base
ADD Aircraft Design Declaration
ADD BY Added By
ADF Automatic Direction Finder
ADG Air Driven Generator
ADI Attitude Director Indicator
ADIRS Air Data/Inertial Reference System ADIRU Air Data/Inertial Reference Unit
ADJ Adjust
ADJMT Adjustment
ADM Air Data Module
ADO Airbus Documentation Office
ADOPT Airbus Design and Operational Philosophy in Training ADPM Aircraft Deactivation Procedures Manual
ADPTN Adaptation
ADPTR Adapter
ADR Advisory Route
ADR Air Data Reference
ADRES Aircraft Documentation Retrieval System
ADRS Address
ADS Air Data System
ADS Automatic Dependent Surveillance
ADU Align Display Unit
ADV Advisory
AEB Airline Engineering Bulletin
AECMA The European Association of Aerospace Industries
AEEC Airlines Electronic Engineering Committee AERO Aviation Routine Weather Report
AES Aircraft Earth Station
AESS Aircraft Environment Surveillance System AESU Aircraft Environment Surveillance Unit
AEVC Avionics Equipment Ventilation Computer
AEX Access Authorized
AF All Freighter
AF Audio Frequency
AF DME Arc to Fixed Waypoint
AFB Antifriction Bearing
AFC Automatic Frequency Control
AFCS Automatic Flight Control System AFDX Avionics Full Duplex Switched Ethernet AFECU Automatic Fire Extinguishing Control Unit
AFFECTD Affected
AFFIRM Affirmative
AFIS Airbus In-Flight Information Services
AFL Auto Flush
AFMC Auxiliary Fuel Management Computer
AFN ATS Facilities Notification
AFR Airframe
AFS Automatic Flight System
AFTN Aeronautical Fixed Telecommunication Network
AFTR After
AFU Artificial Feel Unit
AGB Accessory Gearbox
AGB Angle Gearbox
AGC Automatic Gain Control
AGE Aircraft Ground Equipment
AGG Airbus General Guide
AGL Above Ground Level
AGMT Augment
AGW Actual Gross Weight
AH Ampere Hour
AHP Anti-Hijacking Panel
AHRS Attitude and Heading Reference System AHRU Attitude and Heading Reference Unit
AI Anti-Icing
AIB Airbus Industrie
AIBU Advanced Integrated Ballast Unit
AIC Access Illustration Cards
AIC Airbus Integrated Company
AICC Aviation Industry CBT Committee
AICU Anti Ice Control Unit
AID Aircraft Installation Delay AIDA Airbus Industrie Drawing Access AIDS Aircraft Integrated Data System
AIG Accident Investigation
AIL Aileron
AIM Aircraft Integrated Maintenance
AIM-FANS Airbus Interoperable Modular-Future Air Navigation Sys AIMS Airbus Improvement Management System
AIMS Airbus Industrie Material Specification AIMS Airbus Inventory Management System
AIM/CRM Airbus Integrated Management/Cockpit Resource Management
AINA Airbus North America
AINS Aircraft Information Network System AIP Aeronautical Information Publication
AIP Attendant Indication Panel
AIPS Airbus Process Specification AIQI Airbus Industrie Quality Instruction
AIR Aircraft Inspection Report
AIRCOND Air Conditioning
AIRMAN Aircraft Maintenance Analysis
AIS Aeronautical Information Service
AIS Audio Integrated System
AISI American Iron and Steel Institute
AITM Airbus Test Method
AL Airline
ALERFA Alert Phase
ALF Aft Looking Forward
ALHP Airframe Life-History Program
ALIGN Alignment
ALIGND Aligned
ALLWD Allowed
ALPHA Angle-of-Attack
ALPHANUM Alphanumerical
ALS Approach Light System
ALSCU Auxiliary Level Sensing Control Unit
ALT Altitude
ALT ACQ Altitude Acquire
ALT TO Alternate To
ALTM Altimeter
ALTN Alternate, Alternative
ALTU Annunciator Light Test Unit
ALU Arithmetic and Logic Unit
AM Airbus Means and Methods Document
AM Amplitude Modulation
AMB Ambient
AMC Acceptable Means of Compliance
AMJ Advisory Material-Joint
AMM Aircraft Maintenance Manual
AMM Ammeter
AMP Amperage
AMP Ampere
AMPL Amplifier
AMS Aeronautical Material Specifications AMS Aerospace Material Specification AMS Aircraft Modification Status
AMTOSS Aircraft Maintenance Task Oriented Support System
AMU Audio Management Unit
AN Air Navigation
ANCE Announce
AND Aircraft Nose Down
ANI Analog Input
ANLG Analogic
ANN Annunciator
ANN LT Annunciator Light
ANNCE Announce
ANNCMT Announcement
ANO Analog Output
ANPT Aeronautical National Taper Pipe Threads ANSA At Nearest Suitable Airport
ANSI American National Standards Institute
ANSU Aircraft Network Server Unit
ANT Antenna
ANU Aircraft Nose Up
AO Access Opening
AOA Angle-Of-Attack
AOAS Angle of Attack Sensor AOC Air Operator's Certificate
AOC Airline Operational Control
AOD Audio on Demand
AOG Aircraft On Ground
AOHX Air/Oil Heat Exchanger
AOLS Airbus On-Line Services
AOM Aircraft Operating Manual
AOP Airbus Operational Plan
AOT All Operator Telex
AP Airborne Printer
AP Airbus Procedure
AP Autopilot
APASHE Aircraft Publication Automated Shipping Expedite
APC Area Positive Control
API Application Programming Interface APLC Aircraft Power Line Conditioner
APM Aircraft Performance Monitoring Program
APM Airport Planning Manual
APM ARINC Processing Module
APP Appearance
APP Approach Control-Approach Control Office
APPR Approach
APPROX Approximately
APPU Asymmetry Position Pick Off Unit
APQ Airline Pre-Qualification
APS Aircraft Prepared for Service
APS Auxiliary Power Supply
APU Auxiliary Power Unit
APU AFE APU Automatic Fire Extinguishing Control Unit
AP/FD Autopilot/Flight Director
AQP Advanced Qualification Program
AR As Required
AR Audio Reproducer
ARG Arresting Gear or Hook
ARINC Aeronautical Radio Incorporated
ARM Aircraft Recovery Manual
ARM Airworthiness Review Meeting
ARMD Armed
ARMG Arming
ARMT Armament
ARN Aircraft Registration Number
ARND Around
ARO After Receipt Order
ARP Aerodrome Reference Point - Airport Reference Point
ARP Aerospace Recommended Practice
ARPT Airport
ARR Arrival, Arriving
ART Active Repair Time
ARTCC Air Route Traffic Control Centre
ARTCLD Articulated
ARTF Artificial
ARU Audio Reproducer Unit
AS Airscoop
AS Airspeed
ASA All Speed Aileron
ASAP As soon as possible
ASCII American Standard Code for Information Interchange
ASCO Airbus Service Company Inc.
ASD Accelerate Stop Distance
ASDC Airline Service Data Collection
ASE Airborne Support Equipment
ASE Airbus Supplied Equipment
ASF Amperes per Square Foot
ASG Airbus Security Group
ASI Airspeed Indicator
ASIC Application Specific Integrated Circuits
ASM Aircraft Schematics Manual
ASM American Society for Metals
ASMA Aircraft Systems Maintenance Aids
ASN Aerospatiale Norme (Standard)
ASP Audio Selector Panel
ASPSU Autonomous Standby Power Supply Unit
ASR Airport Surveillance Radar
ASSY Assembly
ASYM Asymmetric(al)
AT Autothrottle
AT Autothrust
ATA Actual Time of Arrival
ATA Air Transport Association of America ATAM Airbus Takeoff Analysis Module
ATB ATA 100 Breakdown
ATC Air Traffic Control
ATCA Air Traffic Control Board
ATCDB Aircraft Technical Characteristics Data Base
ATCH Attach(ment)
ATCI Air Traffic Control and Information
ATCK Attack
ATCRB Air Traffic Control Radar Beacon
ATCSS Air Traffic Control Data Link Signalling System
ATD Actual Time of Departure
ATD Aircraft Technical Definition
ATE Automatic Test Equipment
ATEC Automatic Test Equipment Complex
ATI Air Transport Indicator
ATIMS Air Traffic and Information Management System ATLAS Abbreviated Test Language for All Systems ATLAS Abbreviated Test Language for Avionics Systems
ATM Air Traffic Management
ATM Aircraft Transportability Manual
ATM Available Ton-Mile
ATMG Airbus Technical Management Group
ATMS Advanced Text Management System
ATN Aeronautical Telecommunications Network
ATO Authorization to Offer
ATR Austin Trumbull Radio
ATRCCS Automatic Turbine Rotor Clearance Control System
ATS Air Traffic Service
ATS Airbus Technical Specification
ATS Autothrottle System
ATS Autothrust System
ATSU Air Traffic Service Unit
ATT Attitude
ATT Attitude Reference
ATTEN Attenuation
ATTND Attendant
ATZ Aerodrome Traffic Zone
AUD Audio
AUDSWTGSYS Audio Switching System AUDSWTGUNIT Audio Switching Unit
AUTH Authorize
AUTO Automatic
AUTOCAL Autocalibration
AUTOLAND Automatic Landing
AUW All-Up Weight
AUX Auxiliary
AVAIL Availability
AVAIL Available
AVG Average
AVIONICS Aviation Electronics
AVNCS Avionics
AVRS Audio/Video Recording System
AWB Air Waybill
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
A.ICE Anti-ice, Anti-icing
A.T.I.S Airbus Technical Information System
A/BRK Autobrake
A/C Aircraft
A/COLL Anti-Collision
A/D Analog to Digital Converter (conversion)
A/D Analog/Digital
A/DC Analog-to-Digital Converter
A/F Auto Flight
A/G Air to Ground
A/L Airline
A/N Alphanumeric
A/N SIZE Alpha Numeric Size
A/R Audio Reproducer
A/S Airspeed
A/S Auto Stabilization
A/SKID Anti-Skid
A/STAB Auto Stabilizer
A/T Adjustment/Test
A/THR Autothrust
A/XFMR Autotransformer
B Blue
BAABI Basic Approved ATA Breakdown Index
BAF Baffle
BAFO Best and Final Offer
BAL Basic Assembly Language
bar 10² kPa
BARC Barometric Altitude Rate Computer
BARO Barometric
BAT Battery (Electrical)
BBRG Ball Bearing
BC Baggage Container Train
BCD Binary Coded Decimal
BCDS BITE Centralized Data System
BCL Battery Charge Limiter
BCN Beacon
BCRC Bulk Crew Rest Compartment
BCRU Battery Charge and Rectifier Unit
BCU Brake Control Unit
BCWP Budgeted Cost of Work Performed BCWS Budgeted Cost of Work Scheduled
BDD BITE Description Document
BDLI Bundesverband der Deutschen Luft-und Raumfahrt Industrie
BEA Bureau d'Enquête Accident
BEL CRK Bellcrank
BER Beyond Economical Repair
BETW Between
BEV Bevel
BEW Basic Empty Weight
BFD Bi-Folding Door
BFDAS Basic Flight Data Acquisition System
BFE Buyer Furnished Equipment
BFEMS BFE Management System
BFO Beat Frequency Oscillator
BFR Buffer
BG Build Group (Assembly Group)
BGC Build Group Component
BGM Boarding Music
BGS Build Group Stack-Up
BH Block Hours
BHD Bulkhead
BIST Built-in Self Test
BITE Built-in Test Equipment
BIU BITE Interface Unit
BK Black
BK UP Back Up
BKFLW Backflow
BL Bleed
BLC Basic Lines Catalog
BLES Brake Life Extension System
BLG Body Landing Gear
BLK Black
BLK Block
BLKT Blanket
BLOW Blower
BLST Ballast
BLT Bolt
BLV Bleed Valve
BLW Below
BLWG Blowing
BM Beam
BMC Bleed Monitoring Computer
BMS Bulletin Météo Spécial
BND Bonded
BNDG Bonding
BNDRY Boundary
BNR Binary
BNR Binary Words
BO Blocking Oscillator
BO Body Odour
BOH Brake-Off Weight
BOT Begin of Tape
BOT Bottom
BP Bottom Plug
BR Brown
BRC Brace
BRD Braid
BRDG Bridge
BRG Bearing
BRK Brake
BRKNG Braking
BRKR Breaker
BRKS Brakes
BRKT Bracket
BRT Bright, Brightness
BSCU Braking/Steering Control Unit
BSHG Bushing
BSU Beam Steering Unit
BT Bus Tie
BTC Bus Tie Contactor
BTL Bottle
BTMU Brake Temperature Monitoring Unit
BTN Button
BTR Bus Tie Relay
BTU British Thermal Unit
BU Battery Unit
BUS Busbar
BYDU Back-Up Yaw Damper Unit
BYP Bypass
B/B Back-Beam
B/C Business Class
B/D Bottom of Descent
C Celsius, Centigrade
C Clear
C Close
C Cold (Electric Point)
C Comparator
C Convertible
C Cyan
c Equal Margin
C-MOS Complementary Metal Oxyde Semiconductor C of A Certificate of Airworthiness
CA Cable
CA Cable Assembly
CAA Civil Aviation Authority
CAATS Computer Assisted Aircraft Trouble Shooting
CAB Cabin
CAB PRESS Cabin Pressurization
CAD Computer Aided Design
CADETS Computer Assisted Documentation Education Tutorial System
CAG Circulation Aérienne Générale
CAGE Commercial and Government Entity CAGE Commercial And Government Entity
CAI Combustion Area Inspection
CAL Calibration, Calibrated
CALC Cargo Acceptance and Load Control
CAM Cabin Assignment Module
CAM Computer Aided Manufacturing
CAN Canopy
CAN Controller Area Network
CANC Cancel
CANC Cancellation
CANCD Cancelled
CANTIL Cantilever
CAO Cargo Aircraft Only
CAOA Corrected Angle Of Attack
CAOM Cabin Attendant Operating Manual
CAP Capacitor
CAPLTY Capability
CAPT Captain
CAR Cargo
CAR Civil Aviation Requirements
CARE Common Airbus Requirements Engineering
CARE Continuing Airframe - Health Review and Evaluation
CARP Carpet
CAS Calculated Air Speed
CAS Calibrated Air Speed
CAS Collision Avoidance System
CAS Computed Air Speed
CAT Category
CAT Clear Air Turbulence
CATCH Complex Anomaly Tracking and Search
CAUT Caution
CAUT LT Caution Light
CBAL Counterbalance
CBIT Continuous BITE
CBMS Circuit Breaker Monitoring System CBMU Circuit Breaker Monitoring Unit
CBO Cycles between Overhaul
CBORE Counterbore
CBR California Bearing Ratio
CBS Cost Breakdown Structure
CBSV Cycles Between Scheduled Visits
CC Current Comparator
CCC Component Change Card
CCC Crash Crew Chart
CCCP Compressor Cavity Control Pressure
CCG Cabin Configuration Guide
CCITT Consultative Committee International Telegraphy & Teleph
CCOM Cabin Crew Operating Manual
CCQ Cross Crew Qualification
CCR Credit Card Reader
CCR Customer Change Register
CCRC Cabin Crew Rest Compartment
CCRM Cabin Crew Rest Module
CCS Cabin Communications System
CCW Counter Clockwise
CD Cold Drawn
CD Control Display
CD Count Drag
CD-ROM Compact Disc - Read Only Memory
CD-WD Component Data Working Document
CDAM Centralized Data Acquisition Module
CDBT Component Design and Build Team
CDDS Component Documentation Data System
CDE Consumption Data Exchange Card
CDIM Component Data Instruction Manual CDL Configuration Deviation List
CDP Compressor Discharge Pressure
CDS Cold Drawn Steel
CDS Component Documentation Status
CDS Control and Display System
CDT Cabin Door Trainer
CDU Center Drive Unit
CDU Control and Display Unit
CE Central Entity
CECAM Centralized Cabin Monitoring
CED Cooling Effect Detector
CEET Cabin Emergency Evacuation Trainer
CEL Component Evolution List
CELLI Ceiling Emergency LED Light
CEO Chief Executive Officer
CEPT Council of European Posts and Telegraphs
CER Contrôle Essais et Réception
CEV Centre d'Essais en Vol
CEV Clutch Electro Valve
CF Course to a Fixed Waypoint
CFDIU Centralized Fault Display Interface Unit CFDS Centralized Fault Display System
CFE Customer Furnished Equipment
CFH Cubic Feet per Hour
CFIT Controlled Flight Into Terrain
CFM Cable Fabrication Manual
CFM Cubic Feet per Minute
CFMI CFM International
CFP Computerized Flight Plan
CFR Code of Federal Regulations
CFRP Carbon Fiber Reinforced Plastic
CFS Cabin File Server
CFS Cold Finished Steel
CG Center of Gravity
CGCS Center of Gravity Control System
CGM Computer Graphics Metafile
CH Centre Hatrack
CH Character
CH Charge
CHAM Chamfer
CHAN Channel
CHAS Chassis
CHG Change
CHK Check
CHM Chime
CHMBR Chamber
CHRG Charge
CHRO Chronometer
CI Cast iron
CI Configuration Item
CI Conversion Instruction
CI Cost Index
CI Course to an Intercept
Ci Curie
CICS Customer Information Control System
CICS/VS Customer Information Control System/Virtual Storage CIDS Cabin Intercommunication Data System
CIM Continuous Image Microfilm
CIN Change Identification Number
CINS Cabin Information Network System
CIT Compressor Inlet Temperature
CIU Camera Interface Unit
CK Check
CKD Checked
CKPT Cockpit
CKT Circuit
CL Center Line
CL Check List
CL Climb
CL Clip
CL Clutch
CLB Climb
CLCTR Collector
CLD Closed
CLDB Component Location Data Bank
CLG Ceiling
CLG Centerline Landing Gear
CLK Clock
CLM Component Location Manual
CLN Clinometer
CLNG Ceiling
CLOG Clogging
CLOGD Clogged
CLP Clamp
CLPR Clapper
CLR Clear
CLR ALT Clearance Altitude
CLRD Cleared
CLRNC Clearance
CLS Cargo Loading System
CLS Cargo Loading System Manual
CLSD Closed
CLSG Closing
CLTM Component Location Training Manual
CLV Clevis
CM Call Maintenance
CM Centimeters
CM Collective Modification
CM Configuration Management
CM Conversion Manual
CM Crew Member
CMC Central Maintenance Computer
CMD Command
CMEU Cabin Passenger Management Memory Expansion Unit
CMFLR Cam Follower
CMI Computer Managed Instruction
CMIT Component Management and Integration Team
CML Consumable Material List
CMM Calibration Memory Module
CMM Component Maintenance Manual
CMMM Component Maintenance Manual Manufacturer CMMV Component Maintenance Manual Vendor
CMP Customer Maintenance Program
CMPLRY Complementary
CMPLTD Completed
CMPNT Component
CMPS CPLR Compass Coupler
CMPTG Computing
CMPTR Computer
CMRLR Cam Roller
CMS Cabin Management System
CMS Central Maintenance System
CMS Code Matière Société
CMS Component Maintenance Sheet
CMT Cabin Management Terminal
CMV Concentrator and Multiplexer for Video
CNA Common Nozzle Assembly
CNCT Connect
CNCTD Connected
CNCTN Connection
CNCTR Connector
CNCTRC Concentric
CNCV Concave
CND Conduit
CNSU Cabin Network Server Unit
CNTNR Container
CNTOR Contactor
CNTR Counter
CNTRTR Concentrator
CO Company
CO Cut-Off
CO RTE Company Route
COAX Coaxial
COC Customer Originated Change
COHO Coherent Oscillator
COL Column
COM Common
COM Communication
COM Company Organization Manual
CombL Combustible Liquid
COMDL Coding Module
COML Commercial
COMP Compass
COMP Compensator
COMPSN Compensation
COMPT Compartment
COMPT TEMP Compartment Temperature
COMPTR Comparator
COMTN Commutation
COND Condition
COND Conditioned
COND Conditioning
CONDTN Condition
CONDTR Conditioner
CONFIG Configuration
CONFIRMD Confirmed
CONSUMPT Consumption
CONT Continue, Continuous
CONT Contour
CONT Controller
CONV Converter
COO Chief Operating Officer
COOL Cooling, Cooler
COORD Coordinate
COORD Coordination
COPI Copilot
CORA Customer Order Administration
CORCTD Corrected
CORR Correct
CORR Corrugate
CORR Corrugation
Cor.M Corrosive Material
COS Cosine
COT Cotter
COTS Commercial Off-The-Shelf
COUNT Counter
COV Cover
COWL Cowling
CP Clock Pulse
CPC Cabin Pressure Controller
CPCP Corrosion Prevention and Control program
CPCS Cabin Pressure Control System
CPCU Cabin Pressure Control Unit
CPDLC Controller-Pilot DataLink Communications
CPF Central Programme Function
CPIOM Core Processing Input/Output Module
CPL Couple
CPLD Coupled
CPLG Coupling
CPLR Coupler
CPMS Cabin and Passenger Management System
CPMU Cabin Passenger Management Unit
CPNY Company
CPRSR Compressor
CPT Capture
CPT Compartment
CPU Central Processing Unit
CR Cold Rolled
CR Cruise
CRC Camera Ready Copy
CRC Continuous Repetitive Chime
CRC Crew Rest Compartment
CRC Cyclic Redundancy Check
CRE Corrosion-Resistant
CRES Corrosion-Resistant Steel
CRG Cargo
CRI Certification Review Item
CRK Crank
CRL Collar
CROSSFEEDR Crossfeeder
CRR Component Reliability Report
CRS Cold Rolled Steel
CRS Course
CRSN Corrosion
CRT Cathode Ray Tube
CRU Cabin Router Unit
CRU Card Reader Unit
CRZ Cruise
CS Cabin Cleaners Steps
CS Call Switch
CS Center Spar
CS Centistokes
CSD Constant Speed Drive
CSE Course Set Error
CSF/L Continuous Safe Flight/Landing
CSI Cycles Since Installation
CSIP Customer Satisfaction Improvement Programme
CSK Countersink
CSKH Countersunk Head
CSL Console
CSM Computer Software Manual
CSM/G Constant Speed Motor/Generator
CSN Catalog Sequence Number
CSS Cockpit System Simulator
CST Cabin Service Trainer
CSTG Casting
CSTR Constraint
CSU Command Sensor Unit
CSV Cycles Since Last Shop Visit
CT Center Tape
CT Current Transformer
CTA Control Area
CTDP Cabin Trainer Data Packages
CTF Central Test Facilities
CTF.P Central Test Facility Response CTF.Q Central Test Facility Questions
CTK Capacity Tonne Kilometre
CTK Center Tank
CTL Central
CTL Control
CTR Center
CTR Contour
CTR Control Zone
CTRD Centered
CTSK Countersunk
CTU Cabin Telecommunications Unit
CTWT Counterweight
CU Control Unit
cu Cubic
CUDU Current Unbalance Detection Unit
CUR Current
CVL Configuration Variation List
CVR Cockpit Voice Recorder
CVT Center Vent Tube
CVU Crypto Voice Unit
CW Clockwise
CWG Cockpit Working Group
CWLU Cabin Wireless LAN Unit
CWS Control Wheel Steering
CWY Clearway
CY Calendar Year - Current Year
CY Cycle
CYL Cylinder
C/B Circuit Breaker
C/L Check List
C/M Command/Monitor
C/M Crew Member
C/O Change Over
C/S Call Sign
C/SSR Cost/Schedule Status Report
DA Drift Angle
DABS Discrete Address Beacon System
DAC Digital to Analog Converter
DAC Drawing Aperture Card
DADC Digital Air Data Computer
DADS Digital Air Data System
DAF Damping Augmentation Function
DAMP Damping
daN Load (DecaNewton)
DAR Digital AIDS Recorder
DAS/STC Designated Alteration Station/Supplemental Type Certific
DB Data Base
dB Decibel
DBBS Data Base Bulletin Service
DBC Data Bus Communication
DBD Data Basis for Design
DBLR Doubler
dB(A) A-Weighted Decibel
DC Direct Current
DC Domain Coordinator
DCD Data Control and Display
DCD Decode
DCD Double Channel Duplex
DCDR Decoder
DCDU Datalink Control and Display Unit
DCP Display Control Panel
DCR Dock on Crew Rest
DCS Designated Certification Specialist
DCS Direct Current Supply
DCS Double Channel Simplex
DCU Direction Control Unit
DCV Directional Control Valve
DCVR Direct Current Voltage Ratio DDA Digital Differential Accumulation DDCU Dedicated Display and Control Unit
DDI Design Drawing Instruction
DDI Documentary Data Insert
DDM Difference in Depth of Modulation
DDM Digital Data Module
DDP Declaration of Design and Performance DDRMI Digital Distance and Radio Magnetic Indicator DDTS Digital Data Technology Standards
DDV Direct Drive Valve
DEC Declination
DECEL Decelerate
DECOMPRESS Decompression
DECR Decrease
DEDP Data Entry and Display Panel
DEF Definition
DEFDARS Digital Expandable Flt Data Acquisition & Recording Sys
DEFL Deflect
DEFUEL Defueling
DEG Degree
DEGRADD Degraded
DEL Delay Message
DEL Delete
DEL BY Deleted by
DELTA P Differential Pressure
DEM Digital Electronic Module
DEMOD Demodulator
DEP Data Entry Panel
DEP Departure
DEPLD Deployed
DEPRESS Depressurization
DEPT Department
DES Descend
DES Descent
DES Digital Equipment Simulator
DEST Destination
DET Detection, Detector
DETECTD Detected
DETNG Determining
DEU Decoder/Encoder Unit
DEVN Deviation
DEW Delivery Empty Weight
DEX Access Demanded
DF Direction Finder
DFA Delayed Flaps Approach
DFDAMU Digital Flight Data Acquisition and Management Unit DFDAU Digital Flight Data Acquisition Unit
DFDR Digital Flight Data Recorder
DFDRS Digital Flight Data Recording System
DFIDU Dual Function Interactive Display Unit
DFT Drift
DG Directional Gyro
DGAC Direction Generale de l'Aviation Civile
DGI Digital Input
DGO Digital Output
DGTL Digital
DH Decision Height
DI Data Input
DI Deicing
DIA Diameter
DIAPH Diaphragm
DIFF Differential
DIM Dimension
DIM Dimming
DIM Direction Input Module
DIPLXR Diplexer
DIR Direction, Direct, Director DIR Direct, Direction, Director
DIR TO Direct to
DIS-IN Discrete Input
DISC Disconnection
DISC Disconnect, Disconnected
DISCH Discharge, Discharged
DISCNTY Discontinuity
DISCTN Disconnection
DISRMD Disarmed
DIST Distance
DISTR Distribute, Distribution, Distributor
DITCH Ditching
DITS Digital Information Transfer System
DIU Digital Interface Unit
DIVERTG Diverting
DL Domain Leader
DLC Direct Lift Control
DLCS Data Loading and Configuration System
DLK Data Link
DLOAD Data Loading
DLRB Data Loading Routing Box
DLS Data Loading Selector
DLY Delay
DMA Direct Memory Access
DMC Design Modification Committee
DMC Direct Maintenance Cost
DMC Display Management Computer
DMDLTR Demodulator
DME Distance Measuring Equipment
DMP Display Management Processor
DMPR Damper
DMU Data Management Unit
DN Down
DNI Drawing Numerical Index
DNLK Downlock
DNLNK Downlink
DO Data Output
DO Design Office
DOA Design Organisation Approval
DOC Direct Operating Cost
DOC.DATA Documentary Data
DOLLI Dome LED Light
DOM Design Organisation Manual
DOW Dry Operating Weight
DP Data Processing
DP Differential Protection
DPCU Digital Passenger Control Unit
DPDT Double Pole/Double Throw
DPI Differential Pressure Indicator
DPM Design Progress Meeting
DR Dead Reckoning
DR Door
DRIP Design Response Intended for Playback
DRM Duct Repair Manual
DRMI Distance Radio Magnetic Indicator
DRVG Driving
DRVN Driven
DRVR Driver
DS Downstream
DSAPP Disappearance
DSCRM Discriminator
DSCRT Discrete
DSCS Doors and Escape Slides Control System
DSDL Dedicated Serial Data Link
DSEB Digital Seat Electronic Box
DSENGD Disengaged
DSG Design Service Goal
DSI Discrete Input
DSO Discrete Output
DSPL Display
DSPLYD Displayed
DSTRK Desired Track
DSUG Drawing Set User Guide
DTD Document Type Definition
DTG Distance to Go
DTMF Dual Tone Multiple Frequency
DTMS Damage Tolerance Monitoring System
DTMU Damage Tolerance Monitoring Unit
DU Display Unit
DUM Dummy
DVD Digital Versatile Disk
DVD Digital Video Disk
DWG Drawing
DX Access Demanded
DYNMTC Dynamometric
D/A Digital to Analog
D/D Engine Out Drift Down Point
D/LNA Diplexer/Low Noise Amplifier
D/O Description and Operation
E East
EADI Electronic Attitude Director Indicator
EADS European Aeronautic Defence and Space Company
EAROM Electrically Alterable Read Only Memory
EAS Equivalent Airspeed
EAT Expected Approach Time
EBCU Emergency Brake Control Unit
EBHA Electrical Backup Hydraulic Actuator
EBS Engine Build Specification
EBU Engine Build-up Unit
EC Engine Control
ECAM Electronic Centralized Aircraft Monitoring
ECB Electronic Control Box
ECDB Equipment Central Data Bank
ECM Engine Condition Monitoring
ECM Engineering Coordination Memo
ECMS Electrical Contactor Management System ECMU Electrical Contactor Management Unit
ECN Engineering Change Note
ECON Economic
ECON Economy
ECP Ecam Control Panel
ECS Electronic Cooling System
ECS Environmental Control System
ECSB Embedded Computer System Bus
ECU Electronic Control Unit
ECUCV Electronic Control Unit Cooling Valve
ED Edge Distance
EDB ECAM Data Book
EDMC Engineering Drawing Microfilm Card
EDP Electronic Data Processing
EDP Engine Driven Pump
EDTA Ethylenediamine Tetraacetate
EE Electrical and Electronic
EE Electrical Equipment
EEC Electronic Engine Control
EEC Engine Electronic Controller
EEPROM Electrically Eraseable Programmable Read Only Memory
EFCC Electronic Flight Control Computer EFCS Electrical Flight Control System EFCU Electrical Flight Control Unit
EFDARS Expandable Flight Data Acquisition and Recording Systems
EFF Effective,Effectivity
EFIS Electronic Flight Instrument System
EFIS CP EFIS Control Panel
EFIS SGU EFIS Symbol Generator Unit
EFOB Estimated Fuel on Board
EG For Example
EGIU Electrical Generation Interface Unit
EGPWS Enhanced Ground Proximity Warning System
EGT Exhaust Gas Temperature
EHA Electro-Hydrostatic Actuator
EHSI Electronic Horizontal Situation Indicator
EIPM Engine Interface Power Management EIPMU Engine Interface Power Management Unit EIRD Equipment Installation Requirement Document
EIS Electronic Instrument System
EIS Entry into Service
EIS Entry Into Service
EIU Engine Interface Unit
EIVMU Engine Interface and Vibration Monitoring Unit
EL Electric
EL Equipment List
ELA Electrical Load Analysis
ELAC Elevator Aileron Computer
ELAPS Elapsed Time
ELC Electronic Library Computer
ELEC Electric, Electrical, Electricity
ELEK Electronic
ELEKS Electronics
ELEV Elevation, Elevator
ELMS Electrical Load Management System ELMU Electrical Load Management Unit
ELS Electronic Library System
ELS Emergency Lighting System
ELT Emergency Locator Transmitter
ELV Elevation
EM ElectroMagnet
EM Engine Manual
EMC Electromagnetic Compatibility
EMDB Electrical Main Data Bank
EMER Emergency
EMI Electromagnetic Interference
EMISN Emission
EMLS Emergency Lighting System
EMP Empennage
EMS Equipment Modification Sheet
EMU Engine Maintenance Unit
ENBL Enable
ENCD Encode
ENCDR Encoder
ENCL Enclosure
END Endurance
ENG Engine
ENG OUT Engine Out
ENGD Engaged
ENGR Engineer
ENP Estimated Normal Payload
ENRGZ Energize
ENT Entry
ENTR Entrance
ENV Envelope
EO Engine Out
EO Engineering Order
EO ACCEL ALT Engine Out Acceleration Altitude EO THR RED SPD Engine Out Thrust Reduction Speed
EOC Engineering Order Change
EOP End of Part
EOSID Engine Out Standard Instrument Departure
EOT End of Tape
EP Entry Panel
EPAC Entity per Aircraft Change
EPC External Power Contactor
EPD Extended Principle Diagram
EPESC Enhanced Passenger Entertainment System Controller EPGS Electrical Power Generation System
EPLD Electronically Programmable Logic Device
EPPT Electronic Performance
EPR Engine Pressure Ratio
EPR Exhaust Pressure Ratio
EPROM Erasable Programmable Read Only Memory
EPR.D EPR Descent
EPR.L EPR Latch
EPSU Emergency Power Supply Unit
EPU Emergency Power Unit
EQPT Equipment
ER Elevator Rib
ER Error Report
ER Extended Range
ERECT Erection
ERL Economic Repair Life
EROM Electronic Readout Machine
ERP Enhanced Runaway Protection
ERR Error
ERS Erase
ERS Erased
ERU Engine Relay Unit
ESB Evaluation Service Bulletin
ESC Escape
ESD Electro Sensitive Device
ESD Electro Static Discharge
ESD Electronic System Display
ESDB Element Standard Data Bank
ESDN Extended System/Structure Description Note
ESG Evaluated Service Goal
ESLB ECAM System Logic Book
ESP Electrical Standard Practices
ESPM Electrical Standard Practices Manual
ESS Essential
EST Estimated
ESU Ethernet Switch Unit
ESWL Equivalent Single Wheel Load
ET Elapsed Time
ETA Estimated Time of Arrival
ETD Estimated Time of Departure
ETDS Engineering Technical Data Service
ETE Estimated Time En Route
Etio.Ag. Etiologic Agent
ETO Estimated Time Over
ETOPS Extended Range Twin Engined Aircraft Operations
ETP Equal Time Point
ETRAC Electrical Thrust Reverser Actuation Controller ETRAS Electrical Thrust Reverser Actuation System
ETS Equipment Technical Specification
ETT Estimated Time for Takeoff
EUPB Electronic Unit Protection Box
EV Electro Valve
EVAC Evacuate
EVAC Evacuation
EVMU Engine Vibration Monitoring Unit
EWD Engine/Warning Display
EWS Electronic Warning System
EX Example
EXC Excitation, Excite
EXCD Excited
EXCESS Excessive
EXCG Exciting
EXCHGR Exchanger
EXCN Excitation
EXH Exhaust
EXP Expansion
Expl. Explosive
EXSTG Existing
EXT Extend, Extension
EXT Exterior, External
EXTC Extract
EXTCD Extracted
EXTCG Extracting
EXTG Extending
EXTIG Extinguishing
EXTIN Extinction
EXTING Extinguishing, Extinguish
EXTIR Extinguisher
EXTN Extension
EXTR Extractor
EXTR Extrusion
EXTRACT Extraction, Extractor
EZ Electrical Zero
E/T Electrical Trim
F Fahrenheit
F Fuel
F Minimum Flap Retract Speed (EFIS)
F-PLN Flight Plan
FA Course from a Fixed Waypoint to an Altitude Termination FAA Federal Aviation Administration
FAC Flight Augmentation Computer
FACS Flight Augmentation Computer System FADEC Full Authority Digital Engine Control
FAF Final Approach Fix
FAI First Article Inspection
FAIL Failed, Failure
FAIR Fairing
FAL Final Assembly Line
FALH Final Assembly Line Holder
FANS Future Air Navigation System
FAOM Flight Attendant Operating Manual
FAP Flight Attendant Panel
FAP Forward Attendant Panel
FAR Federal Aviation Regulations
FAS Flight Augmentation System
FAV Fan Air Valve
FAWP Final Approach Waypoint
FBS Fixed Base Simulator
FBW Fly-by-wire
FC Course from a Fixed Waypoint to a Changeover Point
FC Flight Cycle
FC Freight Container Train
FC Fully Closed
FCC Flight Control Computer FCCS Flight Control Computer System FCCU Flight Control Computer Unit
FCD Full Color Display
FCD55 Full Color Display 5 inch x 5 inch
FCDC Flight Control Data Concentrator FCGU Flight Control and Guidance Unit FCMC Fuel Control and Monitoring Computer FCMS Fuel Control Monitoring System
FCO Fulfill Customer Order
FCOM Flight Crew Operating Manual
FCPC Flight Control Primary Computer FCPI Flight Control Position Indicator
FCR Flight Crew Report
FCRC Flight Crew Rest Compartment
FCSC Flight Control Secondary Computer
FCST Forecast
FCTN Function
FCU Flight Control Unit
FCU Flush Control Unit
FCU Fuel Control Unit
FCV Flow Control Valve
FD Course from a Fixed Waypoint to a DME Distance
FD Flight Director
FD Fuselage Datum
FDAU Flight Data Acquisition Unit
FDB Floor Disconnect Box
FDBK Feedback
FDC Fuel Data Concentrator
FDD Floppy Disk Drive
FDEP Flight Data Entry Panel
FDIMU Flight Data Interface and Management Unit FDIU Flight Data Interface Unit
FDSU Flight Data Storage Unit
FDU Fire Detection Unit
FE Flight Envelope
FEC Flight Envelope Computer
FEDR Feeder
FEGV Fan Exit Guide Vane
FET Field Effect Transistor
FEW Fleet Empty Weight
FF Fuel Flow
FFCC Forward Facing Crew Cockpit Concept FFCC Forward Facing Crew Cockpit Configuration FFCCV Fan Frame Compressor Case Vertical
FFCCV Forward Flange Compressor Casing Vibration
FFL Flip Flop Latch
FFP Fixed Firm Price
FFS Full Flight Simulator
FG Flight Guidance
FGE Flight Guidance and Envelope
FGES Flight Guidance and Envelope System
FGN Foreign
FGS Flight Guidance System
FH Flight Hours
FIDS Fault Isolation and Detection System
FIFO First Input/First Output
FIG Figure
FIL Filament
FIL Fillet
FIL H Fillister Head
FILG Filling
FIM Fault Isolation Manual
FIN Functional Item Number
FIR Full Indicator Reading
FIS Flight Information Services
FIX Fixed
FL Flight Level
FL Flood
FL Floor
FL Flow
FL Fluid
Fla.G Flammable Compressed Gas
Fla.L Flammable Liquid
Fla.S Flammable Solid
FLC Feel and Limitation Computer
FLD Field
FLDK Flight Deck
FLEX Flexible
FLG Flange
FLH Flat Head
FLIP Flight Plan Computation Program
FLLT Flashing Light
FLMPRF Flameproof
FLP Flap
FLSA Fuel Level Sensing Amplifier FLSCU Fuel Level Sensing Control Unit
FLT Flight
FLT CTL Flight Control
FLTR Filter
FLXTO Flexible Take-Off
FM Course from a Fixed Waypoint with a Manual Termination
FM Fan Marker
FM Flight Management
FM Flight Manual
FM Frequency Modulation
FMA Flight Mode Annunciator
FMC Flight Management Computer
FMCS Flight Management Computer System (FMC and CDU) FMCU Flight Management Computer Unit
FMEA Failure Mode Effect Analysis
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
FMS Flight Management System (FMCS and AFS sensors)
FMS Fuel Manifold Staging
FMU Fuel Metering Unit
FMV Fuel Metering Valve
FNA Final Approach
FNCP Flight Navigation Control Panel FNSG Flight Navigation Symbol Generator
FO Flight Order
FO Fully Open
FOB Fuel On Board
FOC Fuel/Oil Cooler
FOD Foreign Object Damage
FOD Fuel Over Destination
FOM Flight Operations Manual
FOM Flight Operations Monitoring
FOQA Flight Operations Quality Assurance
FOR DET For Detail
FOT FAL Operational Test Meeting
FPA Flight Path Angle
FPEEPMS Floor Proximity Emergency Escape Path Marking System
FPH Floor Panel Heating
FPL Flight Plan
FPM Feet per Minute
FPMU Fuel Properties Measurement Unit FPPU Feedback Position Pick-off Unit
FPRM Fuel Pipe Repair Manual
FPT Flight Path Target
FPV Flight Path Vector
FQ Fuel Quantity
FQDC Fuel Quantity Data Concentrator
FQI Fuel Quantity Indicating/-ion/-or
FQI Fuel Quantity Indicating/Indication/Indicator FQIC Fuel Quantity Indication Computer
FQMS Fuel Quantity and Management System
FR Frame
FREQ Frequency
FREX Support Repercussion Sheet
FRM Fault Reporting Manual
FRQ Frequency
FRT Front
FRU Frequency Reference Unit
FRV Fuel Return Valve
FS Front Spar
FS Fuselage Station
FSB Fasten Seat Belts
FSCM Federal Supply Code for Manufacturers
FSN Fleet Serial Number
FST Fire/Smoke/Toxicity
FSTNR Fastener
ft Feet, Foot
FTB For the time being
FTD Flight Training Device
FTG Fitting
FTI Flight Test Installation
FTK Freight Tonne Kilometre
FTK Fuel Tank
FTMS Flight Test Management System
FTP File Transfer Protocol
FTR Flight Test Request
FTRNG Feathering
FTS Frame Time Select
FTU Force Transducer Unit
ft/mn Feet per Minute
FU Feedback Unit
FU Fuel Used
FUSLG Fuselage
FV Flux Valve
FW Failure Warning
FW Firewall
FWC Flight Warning Computer
FWD Forward
FWL Firewall
FWS Flight Warning System
FWSD Flight Warning and System Display
FY Fiscal Year
F/C First Class
F/CTL Flight Controls
F/E Flight Engineer
F/O First Officer
F/S Fast/Slow
F/U Follow-Up
F/W Failure Warning
g Earth Acceleration (Symbol)
G Galley
g Gram
G Green
G Grid
G Gyro
GA General Application
GA Go-Around
GAD General Assembly Drawing
GAIR General Assembly Inspection Report
gal Gallon
GALV Galvanize
GALY Galley
GAMMA-A Slope
GAMMA-T Potential Slope
GAPCU Ground and Auxiliary Power Control Unit GATE Glossary of Airbus Terms and Expressions GATT General Agreement on Tariffs and Trade
GCA Ground-Controlled Approach System
GCP General Conditions of Purchase
GCR Generator Control Relay
GCU Generator Control Unit
GDE Guide
GDNC Guidance
GDS GSE Data Sheet
GE General Electric
GEM Ground Equipment Manual
GEN Generator
GENL General
GES Ground Earth Station
GFTM General Familiarization Training Manual GGPCU Generator and Ground Power Control Unit
GIC General Instruction Card
GIDOCA Gestion Informatique de la Documentation Avion
GIE Groupement d'Intérêt Economique
GIM General Introduction Manual
GIPSY General Integrated Publication System
GLC Generator Line Contactor
GLM General List of Modifications
GLR Generator Line Relay
GMC General Modification Committee
GMR Ground Movement Radar
GMT Greenwich Mean Time
GMTBF Guaranteed Mean Time Between Failure
GND Ground
GNLU GNSS Navigation and Landing Unit GNSS Global Navigation Satellite System
GP Glide Path
GPCU Ground Power Control Unit
GPM General Processing Module
GPS Global Positioning System
GPSSU Global Positioning System Sensor Unit
GPU Ground Power Unit
GPWC Ground Proximity Warning Computer GPWS Ground Proximity Warning System
GR Gear
GRC Glass Reinforced Composite
GRFC Global RFC
GRP Geographic Reference Point
GRP Glass-Reinforced Plastic
GRP Ground Reference Point
GRP Ground/Geographical Reference Point
GRU Ground Refrigeration Unit
GRV Groove
GRVTY Gravity
GS Ground Speed
GSE Ground Support Equipment
GSHLD Glareshield
GSM General Structure Manual
GTA General Terms Agreement
GTHRG Gathering
GTI Ground Test Instructions
GTR Ground Test Requirement
GUI Graphic Interface Unit
GW Gross Weight
GWR General Working Rules
GY Grey
GYRO Gyroscope
G/A Ground-to-Air
G/G Ground Guidance
G/S Glide Slope
h Height
H Hot (Electrical Point)
h Hour
H Runway Thickness
H NAV Horizontal Navigation
HA Holding Pattern to an Altitude Termination
HADC Hybrid Air Data Computer
HARN Harness
HAS Heading and Attitude System
HB Brinnell Hardness Test Value
hbar Stress (Hectobar)
HCU Head Up Combiner Unit
HCU Hydraulic Control Unit
HD Head
HD Hold
HDDA Hard Disk Drive Array
HDG Heading
HDG/S Heading Selected
HDL Handle
HDLG Handling
HDST Headset
HDWHL Handwheel
HEGS Hydraulic Electrical Generating System
HEX Hexadecimal
HF High Frequency
HF Holding Pattern to a Fixed Waypoint
HFDR High Frequency Data Radio
HGA High Gain Antenna
HHL Horizontal Hinge Line
HI High
High Speed Data Unit HSDU
HIL Hold Item List
HK Knoop Hardness Test Value
HL High Level
HLAC High Level AC Voltage
HLCL Helical
HLD High Power Amplifier/Low Noise Amplifier/Diplexer
HLD Hold
HLDC High Level DC Voltage
HLDR Holder
HLTY Healthy
HM Holding Pattern with a Manual Termination
HMC Hydromechanical Control
HMI Human-Machine Interface
HMU Hydromechanical Unit
HNG Hinge
HOLD Holding
HORIZ Horizontal
HOT High Oil Temperature
HP High Pressure
Hpa Hecto Pascal
HPA High Power Amplifier
HPC High Pressure Compressor
HPC Rear Compressor Rotor and Stator Assembly
HPR High Power Relay
HPT High Pressure Turbine
HPT Rear Compressor Drive Turbine Rotor Assembly HPTACC High Pressure Turbine Active Clearance Control HPTC High Pressure Turbine Clearance
HPTCC High Pressure Turbine Case Cooling HPTCC High Pressure Turbine Clearance Control
HPTR High Pressure Turbine Rotor
HPU Head up Projection Unit
HPV High Pressure Valve
HPV HP Bleed Valve
HR Hot Rolled
HR Hour
HRP Horizontal Reference Plane
HRS Hot Rolled Steel
HRS Hours
HR(X) Rockwell Hardness Test Value
HR/XXX) Rockwell Superficial Hardness Test Value
HS High Speed
HSDU High Speed Data Unit
HSG Housing
HSI Horizontal Situation Indicator
HSI Hot Section Inspection
HSMU Hydraulic System Monitoring Unit
HSS High Speed Steel
HT Heat
HT TR Heat Treat
HTD Heated
HTG Heating
HTML Hyper Text Mark-up Language
HTP Horizontal Tail Plane
HTR Heater
HUD Head Up Display
HUDC Head Up Display Computer
HV High Voltage
HV Vickers Hardness Test Value
HVDF High and Very High Frequency Direction - Finding Station
HVPS High Voltage Power Supply
HWBPT Hardware Breakpoint
HYD Hydraulic
HZ Hertz
H/W Hardware
I Inertial
I Invoice Card
IAE International Aero Engines
IAF Initial Approach Fix
IAS Indicated Airspeed
IATA International Air Transport Association
IAW In Accordance with
IAWP Initial Approach Waypoint
IBIT Initiated BITE
IBN Identification Beacon
IBU Integrated Ballast Unit
IC Integrated Circuit
IC Invoice Control Card
ICAO International Civil Aviation Organisation
ICCAIA Inter Co-ordinating Council of Aerospace Industries Asso
ICD Interface Control Document
ICE In Circuit Emulation
ICP Integrated Control Panel
ICU Isolation Control Unit
ICY Interchangeability
ID Inside Diameter
ID PL Identification Plate
IDBT Integrated Design and Build Team
IDC Instrument Display Catalog
IDENT Identification, Identifier, Identify
IDG Integrated Drive Generator
IDP Integrated Data Processing
IDU Interactive Display Unit
IF Initial Fix
IF Intermediate Frequency
IFE In-Flight Entertainment
IFEC In-Flight Entertainment Center IFES In-Flight Entertainment System
IFP In-Flight Performance Computation Program
IFR Instrument Flight Rules
IFSD In-Flight Shut Down
IFTB In flight Turn back
IGB Inlet Gear Box
IGN Ignition
IGV Inlet Guide Vane
IIPD Illustrated Initial Provisioning Document
ILLUM Illumination
ILLUMD Illuminated
ILS Instrument Landing System (LOC and G/S)
IM ILS Inner Marker
IMA Integrated Modular Avionics
IMC Indirect Maintenance Cost
IMM Immediate
IMPACT Improvement Manufacturer Program for Airbus Customer Training
IMU Inertial Measurement Unit
IN Inch
IN-LBS Inch-pounds
IN HG Inches of Mercury
INA Initial Approach
INB Inbound
INBD Inboard
INCLG Including
INCR Increase
INCR Increment
IND Indicator
INDG Indicating
INFO Information
INHI Inhibit
INHIB Inhibit, Inhibited, Inhibition
INIT Initial(ization)
INOP Inoperative
INP Input
INR Inner
INRTL Inertial
INS Inertial Navigation System
INSP Inspection
INST Instinctive
INST Instrument
INSTL Installation
INSTLLD Installed
INSTM Instrumentation
INSUL Insulate, Insulation, Insulator
INT Interrupt
INT Intersection
INTCON Interconnection
INTCP Intercept
INTEG Integral
INTEN Intensity
INTERCOM Intercommunication
INTFC Interface
INTG Integral
INTGT Integrate, Integrating
INTL Internal
INTLK Interlock
INTMD Intermediate
INTMT Intermittent
INTPH Interphone
INTR Interior
INTRG Interrogate, Interrogator
INTRPT Interrupt
INU Inertial Navigation Unit
INV Inverter
INWP Intermediate Waypoint
IOC Indirect Operating Cost
IOE Initial Operating Experience
IOM Input/Output Module
IOR Immediate Operational Requirement
IP Initial Provisioning
IP Intermediate Pressure
IP Invoice Packing Card
IPC Illustrated Parts Catalog
IPC Intermediate Pressure Bleed Check Valve IPCT Initial Provisioning Coordination Team IPCU Ice Protection Control Unit
IPD Illustrated Provisioning Document
IPD Initial Provisioning Data
IPL Illustrated Parts List
IPO Initial Public stock Offering
IPPU Instrumentation Position Pick-off Unit
IPS Incorrect Phase Sequence
IPT Inadvertent Power Transfer
IPV Indicator Para Visual
IR Inertial Reference
IRAN Inspection and Repair As Necessary IRDC Interface Remote Data Concentrator
IRQ Interrupt Request
IRR Internal Rate of Return
Irr.M Irritating Material
IRS Inertial Reference System
IRS Inspection Report System
IRU Inertial Reference Unit
ISA Inertial Sensor Assembly
ISA International Standard Atmosphere
ISB Inter-System Bus
ISDN Integrated Services Data Network ISDU Inertial Sensor Display Unit (IRS)
ISG Instrument Symbol Generator Unit ISIS Integrated Standby Instrument System ISO International Standardization Organisation
ISOL Isolation
ISP In-Service Problem
ISPSS In-Seat Power Supply System
ISPU In-Seat Power Supply Unit
ISS Inertial Sensor System
ISU Inertial Sensor Unit
ISWL Isolated Single Wheel Load
IT Interruption
IV Isolation Valve
IVASEB Integrated Video and Audio Seat Electronic Box IVCP Integrated Value Creation Project
IVS Inertial Vertical Speed
I/I Inspection/Interval
I/O Input/Output
I/P Input
I/P Intercept Point
I/P Intercept Profile
JAA Joint Airworthiness Authorities
JAM Jammed, Jamming
JAMG Jamming
JAR Joint Aviation Requirements
JB Junction Box
JCT Junction
JEMTOSS Jet Engine Maintenance Task Oriented Support System
JIC Job Instruction Card
JK Jack
JOG Joggle
JTSN Jettison
K Degrees Kelvin
K K
K Subgrade Reaction Modulus
KB/s Kilo Bits per Second
KCCU Keyboard and Cursor Control Unit
KeV Thousand Electron Volts
kg Kilogram
kg/m³ Kilograms/Cubic Meter
KHZ Kilohertz
KIAS Knots Indicated Airspeed
kPa Kilo Pascal
KPI Key Performance Indicator
KRUG Krueger
KT Knot(s)
KV Kilo Volt
KVA Kilovolt Ampere
kW Kilowatt
L Left
L Length
L Litre or Liter
L Radius of Relative Stiffness
L-x Lavatory - X
L ECAM DU Left ECAM Display Unit
LA Linear Accelerometer
LAF Load Alleviation Function
LAG Lagging
LAM Laminate
LAMM Lights, Audio and Miscellaneous Module
LAN Local Area Network
LAND Landing
LAP List of Applicable Publications
LAT Lateral
LAT Latitude
LAU Linear Accelerometer Unit
LAV Lavatory
lb Pound
LB Pounds
LB-FT Pound - Force - Foot (Torque)
LB-IN Pound - Inch
LBA Luftfahrt Bundes Amt
lbf/in² Pounds force per square inch
LBP Left Bottom Plug
LC Labour Cost
LCC Life Cycle Cost
LCD Liquid Crystal Display
LCDT Load Compressor Discharge Temperature
LCH Latch
LCHG Latching
LCIT Load Compressor Inlet Temperature
LCL Line Check List (Maintenance)
LCN Load Classification Number
LCSD Line Check Support Data
LCTR Locator
LD Left Display
LD Load
LD Lower Deck
LD CAB Lower Deck Cabin
LD GALY Lower Deck Galley
LD LAV Lower Deck Lavatory
LDA Localizer-type Directional Aid
LDC Local Domain Coordinator
LDCC Lower Deck Cargo Compartment
LDF Lower Deck Facilities
LDG Landing
LDG GR Landing Gear
LDI Landing Direction Indicator
LDMCR Lower Deck Mobile Crew Rest
LE Leading Edge
LE Log Entry
LED Light Emitting Diode
LEHGS Local Electro-Hydraulic Generation System
LEL Lower Explosive Limit
LEP List of Effective Pages
LER Leading Edge Rib
LF Low Frequency
LFR Low Frequency Radio Range
LGA Low Gain Antenna
LGCIS Landing Gear Control Indication System LGCIU Landing Gear Control and Interface Unit
LGERS Landing Gear Extension and Retraction System
LGMS Landing Gear Management System
LGND Legend
LH Left Hand
LIM Limit, Limitation, Limiting, Limiter
LIMG Limiting
LIPPLE Lowest Intelligible Phone Power Level
LIQD Liquid
LIS Localizer Inertial Smoothing
LISA Light Interface Standardization Adapter
LKD Locked
LKG Locking
LKR Locker
LKSHFT Lockshaft
LL Latitude/longitude
LL Low Level
LL1 Waypoint from Waypoint List Abbreviated
LLAC Low Level AC Voltage
LLDC Low Level DC Voltage
LLDC Low Level Direct Current
LLI Long Lead Time Item
LLL Low Level Light
LLS Left Line Select Key
LLS Low-Level Solid Radioactive Material
LMC Least Material Condition
LMM Compass Locator at Middle Marker
LMP Left Middle Plug
LMP Line Maintenance Part
LMS Leakage Measurement System
LMT Local Mean Time
LNA Label Not Available
LNG Long
LNR Linear
LO Local Oscillator
LO Low
LO PR Low Pressure
LOC List of Overhaulable Components
LOC Localizer
LOG Logic
LOGO Logogram
LOM Compass Locator at Outer Marker
LONG Longitude
LONGL Longitudinal
LONGN Longeron
LOP Low Oil Pressure
LOPA Layout Per Aircraft
LORAN Long Range Aid to Air Navigation
LP Low Pressure
LP VALVE Low Pressure Valve
LPC Less Paper in the Cockpit
LPC Low Compressor Rotor and Stator Assembly
LPC Low Pressure Compressor
LPE Laissez-Passer Exceptionnel
LPFEV Long Power Failure Event
LPO Landings per Overhaul
LPT Front Compressor Drive Turbine Rotor Assembly
LPT Low Pressure Turbine
LPTACC Low Pressure Turbine Active Clearance Control
LPTC Low Pressure Turbine Clearance
LPTCC Low Pressure Turbine Case Cooling
LPTCC Low Pressure Turbine Clearance Control
LPTR Low Pressure Turbine Rotor
LRE List of Radioactive and Hazardous Elements
LRI Line Replaceable Item
LRM Line Replaceable Module
LROPS Long Range Operations
LRRA Low Range Radio Altimeter
LRU Line Replaceable Unit
LS Landing System
LS Line Select Key
LS Loudspeaker
LS Low Speed
LSA Low Specific Activity Radioactive Material
LSA Low Speed Aileron
LSB Least Significant Bit
LSC Least Significant Character
LSI Large Scale Integrated/Integration/Integrator
LSP Low Speed
LSR Last Significant Bit
LSR Load Shedding Relay
LSU Lavatory Service Unit
LT Light
LT Teleloading
LTD Limited
LTG Lighting
LTK Load Tonne Kilometre
LTM Livestock Transportation Manual
LTP Left Top Plug
LTS Lights
LTS Load and Trim Sheet Software
LV Low Voltage
LVDT Linear Variable Differential Transducer
LVL Level
LVL/CH Level Change
LVR Lever
LVR Louver
LW Landing Weight
LWR Lower
L/D Lift/Drag
L/G Landing Gear
M Mach
M Mach Number
M Magenta
M Maneuvering Speed (EFIS)
m Meter
M Mode
m³ Cubic Meter
MA Maintenance Annunciator
MA Milli-Ampere
MAA Maximum Authorized IFR Altitude
MAAP Members and Associated Partners MABH Minimum Approach Breakoff Height MAC Maintenance Action Classification
MAC Mean Aerodynamic Chord
MADAR Malfunction Detection Analysis and Recording Subsystem
MAG Magazine
MAG Magnetic
MAG DEC Magnetic Declination
MAG VAR Magnetic Variation
MAGN Magnetron
Mag.M Magnetized Material
MAIDS Multipurpose Automatic Inspection and Diagnostic System
MAIN MUX Main Multiplexer
MAINT Maintenance
MALS Medium Intensity Approach Light System
MALSR Medium Intensity Approach Light System with Runway Align
MAN Manual
MAP Ground Mapping
MAP Master Annunciator Panel
MAP Mise au point
MAP Missed Approach Segment
MAPSP Master Attendant Passenger Service Panel
MAS Milli-Ampere/Seconds
MAS Modification Approval Sheet
MASI Mach Airspeed Indicator
MAT Multi-purpose Access Terminal
MAWP Missed Approach Waypoint
MAX Maximum
MAX CLB Maximum Climb
MAX DES Maximum Descent
MAX END Maximum Endurance
MB Millibars
mbar Millibar
MC Master Change
MC Material Cost
MCA Minimum Crossing Altitude
MCBF Mean Cycles between Failures
MCC Modification Customer Chart
MCC Multi Crew Cooperation
MCD Movable Class Divider
MCDU Multipurpose Control & Display Unit
MCi Millicurie
MCL Maximum Climb
MCPU Motor Control and Protection Unit
MCR Manufacturer Change Request
MCR Maximum Cruise
MCS MultiChannel Aviation Satellite Communication System
MCT Maximum Continuous Thrust
MCU Master Control Unit
MCU Modular Concept Unit
MCUR Mean Cycle Between Unscheduled Removals MCVL Manual Configuration Variation List
MCW Modulated Continuous Wave
MD Main Deck
MDA Minimum Decision Altitude
MDA Minimum Descent Altitude
MDAU Modular Data Acquisition Unit
MDCC Main Deck Cargo Compartment
MDDU Multipurpose Disk Drive Unit
MDF Medium Frequency Direction Finding Station
MDH Minimum Descent Height
MDL Module
MDM Material Data Meeting
MDU Multiplier Divider Unit
MEA Minimum En Route IFR Altitude
MEAS Measurement
MEASRG Measuring
MEC Main Engine Control
MECH Mechanic, Mechanical, Mechanism
MED Medium
MEL Minimum Equipment List
MEM Memory
MES Main Engine Start
MET Meteorological
MEV Main Electro Valve
MEV Million Electron-Volts
MEW Manufacturer's Empty Weight
MF Medium Frequencies
MFA Memorized Fault Annunciator
MFD MultiFunction Display
MFG Manufacturing
MFP Maintenance Facility Planning
MFP Mixed Fission Products
MFR Manufacturer
MFR IDENT Manufacturer Identification
MFT Multi Function Team
MFTW Maximum Design Fuel Transfer Weight
MFW Maximum Design Flight Weight
MGB Main Gear Box
MGT Management
MHSU Magnetic Heading Sensor Unit
MHZ Megahertz
MI Magnetic Indicator
MIC Microphone
MICBAC Micro-System Bus Access Channel
MID Middle
MID Modification Information Document MIDU Multi-Input Interactive Display Unit
mile/h Miles per Hour
MIN Minimum
min Minute
MIN FUEL Minimum Fuel
MIN TIME Minimum Time
MIP Maintenance Information Printer
MIPO Manually Issued Purchase Order
MIPS Maintenance Information and Planning System
MISC Miscellaneous
MKGS Markings
MKR Marker (radio) Beacon
ml Milliliter
MLA Maneuver Load Alleviation
MLD Molded
MLG Main Landing Gear
MLI Magnetic Level Indicator
MLIH Magnetic Level Indicator Housing
MLS Microwave Landing System
MLW Maximum Design Landing Weight
MM Maintenance Manual
MM Middle Marker
mm Millimeter
mm² Square Millimeter
mm³ Cubic Millimeter
MMC Maximum Material Condition
MMDB Mechanical Main Data Bank
MMEL Master Minimum Equipment List
MMH/FH Maintenance Man Hours per Flight Hour
MMI Manual Magnetic Indicator
MMO Mach Max Operating Speed
MMO Maximum Operating Mach
MMR Multi-Mode Receiver
Mn Mach Number
MNFOLD Manifold
MNPS Minimum Navigation Performance Specification MOCA Minimum Obstruction Clearance Altitude
MOD Modification
MODLTR Modulator
MOD/V Modulating Valve
MOM Maintenance Organization Manual
MON Monitor, Monitoring, Monitored
MONG Monitoring
MORA Minimum Off Route Altitude
MOS Metal Oxyde Semiconductor
MOT Motor, Motorized
MOU Memorandum of Understanding
MP Main Processor
MP Maintenance Practices
MP Maintenance Procedure
MP Modification Proposal
MPA Maximum Power Assurance
MPB Micro Processor Bipolar
MPD Maintenance Planning Document
MPDS Maintenance Planning Data Support
MPL Maximum Permitted Life
MPR Multipurpose Register
MPS Maximum Performance Specifications
MPS Multiplex Power Supply
MPU Magnetic Pickup
MPU Modem Processor Unit
MQPB Minimum Quantity Price Break
MRA Minimum Reception Altitude
MRB Maintenance Review Board
MRB Materials Review Board
MRBD Maintenance Review Board Document
mrem/hr Millirems per hour
MRIU Maintenance & Recording Interface Unit
MRS Maintenance, Reliability, Supportability
MRS Malfunction Reporting Systems
MRW Maximum Ramp Weight
mr/hr Milliroentgens per Hour
MS AI Maintenance Schedule
MS Military Standard
MSA Minimum Safe Altitude
MSB Most Significant Bit
MSC Airbus Materiel Support Centre
MSC Maintenance Steering Committee
MSCN Manufacturer Specification Change Notice
MSG Maintenance Steering Group
MSG Message
MSI Maintenance Significant Item
MSI Medium Scale Integrated
MSL Maintenance Significant Item List
MSL Mean Sea Level
MSN Manufacturer's Serial Number
MSTR Master
MSU Magnetic Sensor Unit
MSU Media Server Unit
MSU Mode Selector Unit (IRS)
MSU Motor Switching Unit
MSW Microswitch
MT Mount
MTBD Mean Time Between Defects
MTBF Mean Time Between Failures
MTBI Mean Time Between Inspection
MTBIFS Mean Time Between In Flight Shut-down MTBPR Mean Time Between Premature Removals
MTBR Mean Time Between Removals
MTBT Mean Time Between Trouble
MTBUR Mean Time Between Unscheduled Removals
MTE Manual Test Equipment
MTG Mounting
MTGC Mounting Center
MTI Multi Tank Indicator
MTN Motion
MTO Maximum Take-Off
MTO Météo
MTOGW Maximum Takeoff Gross Weight
MTOP Maintenance Task Operating Plan
MTOW Maximum Design Takeoff Weight
MTP Maintenance and Test Panel (AFS)
MTR Meter
MTS Maintenance Training Simulator
MTTF Mean Time to Failure
MTTR Mean Time to Repair
MTTUR Mean Time to Unscheduled Removal MTUR Mean Time Between Unscheduled Removals
MTW Maximum Design Taxi Weight
MTXW Maximum Taxi Weight
MU Management Unit
MUX Multiplex, Multiplexer
MV Multivibrator
MVT Movement
MWARN Master Warning
MWC Master Warning Computer
MWE Manufacturer's Weight Empty
