airbus abbreviation

LIST OF ABBREVIATIONS

3D Three Dimensional (Lat, Long, Alt)

4D Four Dimensional (Lat, Long, Alt, Time)

A Amber

A.ICE Anti-ice, Anti-icing

A/BRK Autobrake

A/C Aircraft

A/COLL Anti-Collision

A/D Analog/Digital

A/DC Analog-to-Digital Converter

A/G Air to Ground

A/L Airline

A/N Alphanumeric

A/S Airspeed

A/SKID Anti-Skid

A/STAB Auto Stabilizer

A/THR Autothrust

A/XFMR Autotransformer

AAC Airline Administrative Communications

AAP Additional Attendant Panel

AAR Air-to-Air Refueling

ABCU Alternate Braking Control Unit

ABD Airbus Directive and Procedure

ABDC Avionics Broadcast Data Collector

ABM APU Build-up Manual

ABNORM Abnormal

ABRN Airborne

ABS Autobrake System

ABSELV Alternate Brake Selector Valve

ABSORB Absorber

ABV Above

AC Airplane Characteristics for Airport Planning

AC Alternating Current

ACARS Aircraft Communication Addressing and Reporting System

ACC Active Clearance Control

ACCEL Acceleration/Accelerate

ACCLRM Accelerometer

ACCU Accumulator

ACCUR Accuracy

ACD Additional Control Device

ACFT Aircraft

ACGS Aircraft GSM Server

ACK Acknowledge

ACM Air Cycle Machine

ACMM Abbreviated Component Maintenance Manual

ACMP Airframe Condition Monitoring Procedure

Customer : CPA Type : A340 Rev. Date : January 1, 2012

Manual: AMM Selected effectivity: ALL

Glossary

Print Date: February 27, 2012 Local Time of 46

ACMR Aircraft Configuration Management Rules

ACMS Aircraft Condition Monitoring System

ACN Aircraft Classification Number

ACOC Air Cooled Oil Cooler

ACP Area Call Panel

ACP Audio Control Panel

ACQ Acquire

ACQN Acquisition

ACR Avionics Communication Router

ACSC Air Conditioning System Controller

ACT Additional Center Tank

ACT Active

ACTG Actuating

ACTIV Active

ACTR Actuator

ACTVN Activation

ACTVT Activate

ACU Air Cooling Unit

ACU Antenna Control Unit

ADB Area Distribution Box

ADB Airport DataBase

ADC Air Data Computer

ADCN Avionics Data Communication Network

ADD Addition, Additional

ADF Automatic Direction Finder

ADG Air Driven Generator

ADI Attitude Director Indicator

ADIRS Air Data/Inertial Reference System

ADIRU Air Data/Inertial Reference Unit

ADM Air Data Module

ADMZ Aircraft DeMilitarized Zone

ADPM Aircraft Deactivation Procedures Manual

ADPTR Adapter

ADR Air Data Reference

ADS Automatic Dependent Surveillance

ADS Air Data System

ADU Area Distribution Unit

ADV Advisory

AES Aircraft Earth Station

AESS Aircraft Environment Surveillance System

AESU Aircraft Environment Surveillance Unit

AEVC Avionics Equipment Ventilation Computer

AF Audio Frequency

AFDX Avionics Full Duplex Switched Ethernet

AFECU Automatic Fire Extinguishing Control Unit

AFFECTD Affected

AFFIRM Affirmative

AFL Auto Flush



Glossary


AFM Aircraft Flight Manual

AFMC Auxiliary Fuel Management Computer

AFMR Airframer

AFN ATS Facilities Notification

AFS Automatic Flight System

AFTR After

AGB Accessory Gearbox

AGB Angle Gearbox

AGC Automatic Gain Control

AGC APU Generator Contactor

AGE Aircraft Ground Equipment

AGL Above Ground Level

AGP Alternate Gauging Processor

AGS Aircraft GSM Server

AGS Air Generation System

AGU Air Generation Unit

AGW Actual Gross Weight

AIBU Advanced Illumination Ballast Unit

AICU Anti Ice Control Unit

AIDS Aircraft Integrated Data System

AIL Aileron

AIM Aircraft Integrated Maintenance

AIME Autonomous Integrity Monitored Extrapolation

AIMI Avionics Information Management Interface

AINS Aircraft Information Network System

AIP Attendant Indication Panel

AIS Audio Integrated System

ALIGN Alignment

ALIGND Aligned

ALLWD Allowed

ALNA Airline Network Architecture

ALPHA Angle-of-Attack

ALSCU Auxiliary Level Sensing Control Unit

ALT Altitude

ALTM Altimeter

ALTN Alternate, Alternative

ALTU Annunciator Light Test Unit

AM Amplitude Modulation

AMB Ambient

AMDB Airport Mapping DataBase

AMM Aircraft Maintenance Manual

AMPL Amplifier

AMS Air-ground Message Server

AMU Audio Management Unit

ANI Analog Input

ANLG Analogic

ANN Annunciator

ANNCE Announce



Glossary


ANNCMT Announcement

ANO Analog Output

ANSA At Nearest Suitable Airport

ANSI American National Standards Institute

ANSU Aircraft Network Server Unit

ANT Antenna

AOA Angle Of Attack

AOC Airline Operational Control

AOD Audio on Demand

AOG Aircraft On Ground

AOHX Air/Oil Heat Exchanger

AOM Aircraft Operating Manual

AOMT Airbus Onboard Maintenance Tool

AP Autopilot

AP/FD Autopilot/Flight Director

API Application Programming Interface

APLC Aircraft Power Line Conditioner

APM ARINC Processing Module

APP Approach Control-Approach Control Office

APP Appearance

APPL Application

APPR Approach

APPROX Approximately

APPU Asymmetry Position Pick Off Unit

APS Absolute Pressure Sensor

APS Avionics Printing Service

APU Auxiliary Power Unit

APU AFE APU Automatic Fire Extinguishing Control Unit

AR As Required

ARC Air Refueling Computer

ARINC Aeronautical Radio Incorporated

ARM Aircraft Recovery Manual

ARP Aerospace Recommended Practice

ARPT Airport

ARTF Artificial

ARU Audio Reproducer Unit

ARU Aircraft Router Unit

ARV Alternate Refill Valve

ASA All Speed Aileron

ASA Audio and Sign Adapter

ASCII American Standard Code for Information Interchange

ASD Accelerate Stop Distance

ASE Airborne Support Equipment

ASI Airspeed Indicator

ASIC Application Specific Integrated Circuits

ASM Aircraft Schematics Manual

ASM Air Separation Module

ASN Aerospatiale Norme (Standard)



Glossary


ASP Audio Selector Panel

ASPSU Autonomous Standby Power Supply Unit

ASSY Assembly

ASYM Asymmetric(al)

AT Autothrust

ATA Air Transport Association of America

ATA Actual Time of Arrival

ATC Air Traffic Control

ATCI Air Traffic Control and Information

ATCRB Air Traffic Control Radar Beacon

ATD Actual Time of Departure

ATE Automatic Test Equipment

ATI Air Transport Indicator

ATIMS Air Traffic and Information Management System

ATIS Automatic Terminal Information Service

ATLAS Abbreviated Test Language for Avionics Systems

ATM Air Traffic Management

ATN Aeronautical Telecommunications Network

ATR Austin Trumbull Radio

ATRCCS Automatic Turbine Rotor Clearance Control System

ATS Air Traffic Service

ATS Autothrottle System

ATSU Air Traffic Service Unit

ATT Attitude

ATTND Attendant

AUTO Automatic

AUTOLAND Automatic Landing

AUW All-Up Weight

AUX Auxiliary

AVAIL Available

AVAIL Availability

AVNCS Avionics

AVS Avionics Ventilation System

AWL Aircraft Wiring List

AWM Aircraft Wiring Manual

AWY Airway

AX Longitudinal Acceleration

AY Lateral Acceleration

AZ Azimuth

AZFW Actual Zero Fuel Weight

B Blue

B/C Business Class

BAF BITE Access Function

BAG Bandwidth Allocation Gap

BARO Barometric

BAT Battery (Electrical)

BBAND Broadband

BCD Binary Coded Decimal



Glossary


BCDS BITE Centralized Data System

BCL Battery Charge Limiter

BCM Backup Control Module

BCN Beacon

BCRC Bulk Crew Rest Compartment

BCRU Battery Charge and Rectifier Unit

BCS Brake Control System

BCU Brake Control Unit

BCV Bleed Control Valve

BFE Buyer Furnished Equipment

BFO Beat Frequency Oscillator

BGM Boarding Music

BH Block Hours

BITE Built-in Test Equipment

BIU BITE Interface Unit

BKFLW Backflow

BKUP Backup

BL Bleed

BLES Brake Life Extension System

BLG Body Landing Gear

BLK Block

BLK Black

BLOW Blower

BLST Ballast

BLV Bleed Valve

BLWG Blowing

BMC Bleed Monitoring Computer

BMI BITE Monitoring Interface

BNDRY Boundary

BNR Binary

BOT Bottom

BOT Begin of Tape

BPS Backup Power Supply

BRG Bearing

BRK Brake

BRKNG Braking

BRKR Breaker

BRKT Bracket

BRT Bright, Brightness

BSCS Braking and Steering Control System

BSCU Braking and Steering Control Unit

BSU Beam Steering Unit

BTC Bus Tie Contactor

BTCM Brake Temperature Compensation Module

BTL Bottle

BTMS Brake Temperature Monitoring System

BTMU Brake Temperature Monitoring Unit

BTN Button



Glossary


BTR Bus Tie Relay

BTS Base Transceiver Station

BU Battery Unit

BUS Busbar

BWS Body Wheel Steering

BYDU Back-Up Yaw Damper Unit

BYP Bypass

C Celsius, Centigrade

C Cyan

C Close

C-MOS Complementary Metal Oxyde Semiconductor

C/B Circuit Breaker

C/L Check List

C/O Change Over

C/S Call Sign

CA Cable Assembly

CA/CRL Certification Authority/Certificate Revocation List

CAB Cabin

CAL Calibration, Calibrated

CAM Cabin Assignment Module

CAN Controller Area Network

CANC Cancellation

CANCD Cancelled

CAOA Corrected Angle Of Attack

CAOM Cabin Attendant Operating Manual

CAPT Captain

CAS Calibrated Air Speed

CAT Category

CATCH Complex Anomaly Tracking and Search

CAUT Caution

CAX Compartment Air Extraction

CBB Connexion By Boeing

CBIT Continuous BITE

CBM Circuit Breaker Monitoring

CBMF Circuit Breaker Monitoring Function

CBMS Circuit Breaker Monitoring System

CBMU Circuit Breaker Monitoring Unit

CC Current Comparator

CCC Crash Crew Chart

CCCP Compressor Cavity Control Pressure

CCD Cursor Control Device

CCG Cabin Configuration Guide

CCOM Cabin Crew Operating Manual

CCR Credit Card Reader

CCRC Cabin Crew Rest Compartment

CCRM Cabin Crew Rest Module

CCS Cabin Communications System

CCW Counter Clockwise



Glossary


CD Control Display

CD Compact Disk

CDAM Centralized Data Acquisition Module

CDC Cargo Door Controller

CDL Configuration Deviation List

CDLCU Cockpit Door Locking Control Unit

CDLS Cockpit Door Locking System

CDP Compressor Discharge Pressure

CDS Component Documentation Status

CDS Control and Display System

CDSS Cockpit Door Surveillance System

CDSU Cockpit Door Surveillance Unit

CDU Control and Display Unit

CDU Center Drive Unit

CE Centralized Equipment

CED Cooling Effect Detector

CEL Component Evolution List

CELLI Ceiling Emergency LED Light

CER Contr?le Essais et R?ception

CEV Centre d'Essais en Vol

CFDIU Centralized Fault Display Interface Unit

CFDS Centralized Fault Display System

CFM Cable Fabrication Manual

CFMI CFM International

CFRP Carbon Fiber Reinforced Plastic

CFS Cabin File Server

CFVCU Cargo Fire Verification Control Unit

CFVS Cargo Fire Verification System

CG Center of Gravity

CGCC Center of Gravity Control Computer

CGCS Center of Gravity Control System

CH Character

CHAN Channel

CHG Change

CHMBR Chamber

CHRG Charge

CHRO Chronometer

CI Cost Index

CIDS Cabin Intercommunication Data System

CIN Change Identification Number

CINS Cabin Information Network System

CIT Compressor Inlet Temperature

CIU Camera Interface Unit

CK Check

CKPT Cockpit

CKT Circuit

CL Center Line

CL Check List



Glossary


CL/OP Closure/Opening

CLB Climb

CLCTR Collector

CLEDU Cabin LED Unit

CLG Centerline Landing Gear

CLK Clock

CLM Component Location Manual

CLNG Ceiling

CLOG Clogging

CLOGD Clogged

CLPR Clapper

CLR Clear

CLRD Cleared

CLRNC Clearance

CLS Cargo Loading System Manual

CLS Cargo Loading System

CLSD Closed

CLSG Closing

CM Conversion Manual

CM Conversion Module

CMC Central Maintenance Computer

CMD Command

CMEU Cabin Passenger Management Memory Expansion Unit

CMF Central Maintenance Function

CML Consumable Material List

CMM Component Maintenance Manual

CMM Calibration Memory Module

CMMV Component Maintenance Manual Vendor

CMPLTD Completed

CMPTR Computer

CMS Code Mati?re Soci?t?

CMS Central Maintenance System

CMS Component Maintenance Sheet

CMT Cabin Management Terminal

CMV Concentrator and Multiplexer for Video

CNA Common Nozzle Assembly

CNCTR Connector

CNSU Cabin Network Server Unit

CNTNR Container

CNTOR Contactor

CNTRTR Concentrator

CO RTE Company Route

COAX Coaxial

COC Customer Originated Change

COC Cabin Operation Center

COCT Cabin Operations Consultation Tool

COLLI Contour LED Light

COM Communication



Glossary


COMDL Coding Module

COML Commercial

COMP Compensator

COMP Compass

COMPSN Compensation

COMPT Compartment

COMPTR Comparator

COND Condition

COND Conditioned

COND Conditioning

CONDTR Conditioner

CONFIG Configuration

CONFIRMD Confirmed

CONSUMPT Consumption

CONT Continue, Continuous

CONT Controller

CONV Converter

COOL Cooling

COOL Cooler

COOLG Cooling

COOLR Cooler

COORD Coordination

COS Cowl Opening System

COTS Commercial Off-The-Shelf

COUNT Counter

COWL Cowling

CPC Cabin Pressure Controller

CPCS Cabin Pressure Control System

CPCU Cabin Pressure Control Unit

CPDLC Controller-Pilot DataLink Communications

CPIF Control Power Intermediate Frequency

CPIOM Core Processing Input/Output Module

CPLG Coupling

CPLR Coupler

CPMS Cabin and Passenger Management System

CPMU Cabin Passenger Management Unit

CPNY Company

CPRSR Compressor

CPU Central Processing Unit

CRC Cyclic Redundancy Check

CRC Crew Rest Compartment

CRC Continuous Repetitive Chime

CRC Centralized Radio Control

CRES Corrosion-Resistant Steel

CRG Cargo

CRI Certification Review Item

CROSSFEEDR Crossfeeder

CRS Course



Glossary


CRS Certificate of Release to Service

CRT Cathode Ray Tube

CRU Central Refirgeration Unit

CRU Card Reader Unit

CRU Cabin Router Unit

CRZ Cruise

CS Center Spar

CSAS Cooled Service Air System

CSD Constant Speed Drive

CSK Countersink

CSL Console

CSM/G Constant Speed Motor/Generator

CSTR Constraint

CSU Command Sensor Unit

CT Current Transformer

CTK Center Tank

CTL Control

CTL Central

CTLR Controller

CTR Center

CTU Cabin Telecommunications Unit

CU Control Unit

CUDU Current Unbalance Detection Unit

CUR Current

CVM Cabin Video Monitoring

CVMS Cabin Video Monitoring System

CVR Cockpit Voice Recorder

CVRS Cockpit Voice Recorder System

CVS Cargo Video Surveillance

CVT Center Vent Tube

CVU Crypto Voice Unit

CW Clockwise

CWLU Cabin Wireless LAN Unit

CWS Cabin Work Station

CWSIU Combined Wheel Speed Interface Unit

CY Cycle

CYL Cylinder

D/LNA Diplexer/Low Noise Amplifier

DA Drift Angle

DAC Drawing Aperture Card

DAC Digital to Analog Converter

DADC Digital Air Data Computer

DAGS Dry Air Generation System

DAMP Damping

DAMPG Damping

DAR Digital AIDS Recorder

DAR Digital ACMS Recorder

DAU Data Acquisition Unit



Glossary


DB Database

DBC Data Bus Communication

DBLR Doubler

DC Direct Current

DCD Data Control and Display

DCDR Decoder

DCDU Datalink Control and Display Unit

DCL Digital Cabin Logbook

DCP Display Control Panel

DCR Dock on Crew Rest

DCRC Dock on Crew Rest Compartment

DCU Direction Control Unit

DCV Directional Control Valve

DDM Digital Data Module

DDP Declaration of Design and Performance

DDRMI Digital Distance and Radio Magnetic Indicator

DDV Direct Drive Valve

DECEL Decelerate

DECOMPRESS Decompression

DECR Decrease

DEDP Data Entry and Display Panel

DEF Definition

DEFUEL Defueling

DEG Degree

DEGRADD Degraded

DEL Delete

DELTA P Differential Pressure

DEP Departure

DEPRESS Depressurization

DES Descent

DES Descend

DEST Destination

DET Detection, Detector

DETECTD Detected

DEU Decoder/Encoder Unit

DEV Deviation

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

DGI Digital Input

DGO Digital Output

DH Decision Height

DIA Diameter

DIBU Door Illumination Ballast Unit

DIFF Differential

DIM Direction Input Module



Glossary


DIMM Dimmable

DIP Dual In-line Package

DIPLXR Diplexer

DIR Direction, Direct, Director

DISC Disconnect, Disconnected

DISC Disconnection

DISCH Discharge, Discharged

DISCNTY Discontinuity

DIST Distance

DISTR Distribute, Distribution, Distributor

DITCH Ditching

DITS Digital Information Transfer System

DIU Digital Interface Unit

DIVERTG Diverting

DLC Direct Lift Control

DLCM Data Loading Configuration Manager

DLCS Data Loading and Configuration System

DLK Data Link

DLOAD Data Loading

DLRB Data Loading Routing Box

DLS Data Loading Selector

DMA Direct Memory Access

DMC Display Management Computer

DMDLTR Demodulator

DME Distance Measuring Equipment

DMM Data Memory Module.

DMP Display Management Processor

DMPR Damper

DMU Data Management Unit

DMZ DeMilitarized Zone

DN Down

DNI Drawing Numerical Index

DNLK Downlock

DNLNK Downlink

DOLLI Dome LED Light

DOW Dry Operating Weight

DPCU Digital Passenger Control Unit

DPDT Double Pole/Double Throw

DPI Differential Pressure Indicator

DR Dead Reckoning

DR Door

DRM Duct Repair Manual

DRMI Distance Radio Magnetic Indicator

DRVG Driving

DRVR Driver

DSB Door Sensor Block

DSDL Dedicated Serial Data Link

DSEB Digital Seat Electronic Box



Glossary


DSI Discrete Input

DSIP Door/Slide Indication Panel

DSMCU Doors and Slides Management Control Unit

DSMS Doors and Slides Management System

DSO Discrete Output

DSPL Display

DSPLYD Displayed

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

DVD Digital Versatile Disk

DVI Digital Visual Interface

DWG Drawing

E East

EABDC Enhanced Aircraft Broadcast Data Collector

EAROM Electrically Alterable Read Only Memory

EBAS Engine Bleed Air System

EBCU Emergency Brake Control Unit

EBHA Electrical Backup Hydraulic Actuator

EBU Engine Build-up Unit

ECAM Electronic Centralized Aircraft Monitoring

ECB Electronic Control Box

ECLS Electrical Cargo Loading system

ECM Engine Condition Monitoring

ECMS Electrical Contactor Management System

ECMU Electrical Contactor Management Unit

ECN Engineering Change Note

ECON Economy

ECP Ecam Control Panel

ECS Environmental Control System

ECU Electronic Control Unit

ECUCV Electronic Control Unit Cooling Valve

EDP Engine Driven Pump

EEC Engine Electronic Controller

EEC Electronic Engine Control

EEPDC Emergency Electrical Power Distribution Center

EEPROM Electrically Eraseable Programmable Read Only Memory

EFCC Electronic Flight Control Computer

EFCS Electrical Flight Control System

EFCU Electrical Flight Control Unit

EFF Effective,Effectivity

EFF/FFU Electronic Flight Folder/Flight Follow-Up

EFIS Electronic Flight Instrument System

EFOB Estimated Fuel on Board

EGIU Electrical Generation Interface Unit



Glossary


EGMS Electrical Galley Management System

EGPWM Enhanced Ground Proximity Warning Module

EGT Exhaust Gas Temperature

EHA Electro-Hydrostatic Actuator

EHAC Electro-Hydrostatic Actuator Contactor

EHCU Electromechanical Handforce Control Unit

EHS Electrical Heater System

EIPM Engine Interface Power Management

EIPMU Engine Interface Power Management Unit

EIS Electronic Instrument System

EIU Engine Interface Unit

EIVMU Engine Interface and Vibration Monitoring Unit

EL Electric

ELA Electrical Load Analysis

ELAC Elevator Aileron Computer

ELAN Ethernet Local Area Network

ELB Electronic Log Book

ELC Electronic Library Computer

ELC Emergency Line Contactor

ELEC Electric, Electrical, Electricity

ELEK Electronic

ELEV Elevator

ELEV Elevation

ELEVN Elevation

ELEVR Elevator

ELF Engineering support and data Link Function

ELM Electrical Load Management

ELMF Electrical Load Management Function

ELMS Electrical Load Management System

ELMU Electrical Load Management Unit

ELS Electronic Library System

ELT Emergency Locator Transmitter

EMC Electromagnetic Compatibility

EMER Emergency

EMI Electromagnetic Interference

EMISN Emission

EMP Electric Motor Pump

EMU Engine Monitoring Unit

EMWS ElectroMechanical Window Shade

ENCDR Encoder

END Endurance

ENG Engine

ENM Electrical Network Management

ENMF Electrical Network Management Function

ENMS Electrical Network Management System

ENVMOD Envelope Modulation

EO Engine Out

EOSID Engine Out Standard Instrument Departure



Glossary


EOT End of Tape

EP Entry Panel

EPC External Power Contactor

EPD Extended Principle Diagram

EPES Extraction Parachute Ejector System

EPESC Enhanced Passenger Entertainment System Controller

EPGS Electrical Power Generation System

EPLD Electronically Programmable Logic Device

EPR Engine Pressure Ratio

EPR.D EPR Descent

EPR.L EPR Latch

EPROM Erasable Programmable Read Only Memory

EPSU Emergency Power Supply Unit

EQPT Equipment

ER Extended Range

ERMM En Route Moving Map

ERP Enhanced Runaway Protection

ERU Engine Relay Unit

ESB Electrical System BITE

ESBF Electrical System BITE Function

ESC Escape

ESD ElectroStatic Discharge

ESDN Extended System/Structure Description Note

ESLB ECAM System Logic Book

ESP Electrical Standard Practices

ESPM Electrical Standard Practices Manual

ESS Essential

EST Estimated

ESU Ethernet Switch Unit

ET Elapsed Time

ETA Estimated Time of Arrival

ETACS External and Taxiing Aid Camera System

ETD Estimated Time of Departure

ETE Estimated Time En Route

ETO Estimated Time Over

ETOPS Extended Range Twin Engined Aircraft Operations

ETP Equal Time Point

ETRAC Electronic Thrust Reverser Actuation Controller

ETRAS Electrical Thrust Reverser Actuation System

ETT Estimated Time for Takeoff

EUPB Electronic Unit Protection Box

EVAC Evacuation

EVAC Evacuate

EVMU Engine Vibration Monitoring Unit

EWD Engine/Warning Display

EWS Electrical Window Shades

EX Example

EXC Excitation, Excite



Glossary


EXCESS Excessive

EXCHG Exchange

EXCHGR Exchanger

EXH Exhaust

EXP Expansion

EXSTG Existing

EXT Exterior, External

EXTING Extinguishing

EXTING Extinguish

EXTING Extinguisher

EXTN Extension

EXTR Extreme

EXTRACT Extraction, Extractor

F Fuel

F Fahrenheit

F-G/S FLS Glide Slope

F-LOC FLS Localizer

F-PLN Flight Plan

F/C First Class

F/CTL Flight Controls

F/O First Officer

FA Course from a Fixed Waypoint to an Altitude Termination

FAC Flight Augmentation Computer

FADEC Full Authority Digital Engine Control

FAF Final Approach Fix

FAIL Failed, Failure

FANS Future Air Navigation System

FAP Forward Attendant Panel

FAP Flight Attendant Panel

FAR Federal Aviation Regulations

FAS Flight Augmentation System

FAV Fan Air Valve

FBB Fasten Bed Belt

FC Fully Closed

FC Course from a Fixed Waypoint to a Changeover Point

FCC Flight Control Computer

FCDC Flight Control Data Concentrator

FCGU Flight Control and Guidance Unit

FCMC Fuel Control and Monitoring Computer

FCMS Fuel Control Monitoring System

FCOM Flight Crew Operating Manual

FCPC Flight Control Primary Computer

FCRC Flight Crew Rest Compartment

FCSC Flight Control Secondary Computer

FCU Flight Control Unit

FCU Fuel Control Unit

FCV Flow Control Valve

FD Flight Director



Glossary


FD Fuselage Datum

FD Course from a Fixed Waypoint to a DME Distance

FDAC Full Digital AGU Controller

FDAU Flight Data Acquisition Unit

FDB Floor Disconnect Box

FDBK Feedback

FDC Fuel Data Concentrator

FDCE Flight Deck and Cabin Effects

FDD Floppy Disk Drive

FDE Flight Deck Effect

FDEP Flight Data Entry Panel

FDIAF Flight Data Interface/Acquisition Function

FDIMU Flight Data Interface and Management Unit

FDIU Flight Data Interface Unit

FDR Flight Data Recorder

FDRS Flight Data Recording System

FDU Fire Detection Unit

FE Flight Envelope

FEDC Fire Extinguishing Data Converter

FEDR Feeder

FEGV Fan Exit Guide Vane

FES Fire Extinguishing System

FF Fuel Flow

FFCCV Forward Flange Compressor Casing Vibration

FFCCV Fan Frame Compressor Case Vertical

FFCM Free Fall Control Module

FG Flight Guidance

FGE Flight Guidance and Envelope

FGES Flight Guidance and Envelope System

FH Flight Hours

FIDS Fault Isolation and Detection System

FIFO First Input/First Output

FIG Figure

FILG Filling

FIM Fault Isolation Manual

FIN Functional Item Number

FIS Flight Information Services

FIX Fixed

FL Flight Level

FLD Field

FLEX Flexible

FLP Flap

FLS FMS Landing System

FLSCU Fuel Level Sensing Control Unit

FLT Flight

FLTR Filter

FLXTO Flexible Take-Off

FM Flight Management



Glossary


FM Flight Manual

FM Frequency Modulation

FM Course from a Fixed Waypoint with a Manual Termination

FMA Flight Mode Annunciator

FMC Flight Management Computer

FMCS Flight Management Computer System (FMC and CDU)

FME Flow Metering Equipment

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)

FMU Fuel Metering Unit

FMV Fuel Metering Valve

FNCP Flight Navigation Control Panel

FNSG Flight Navigation Symbol Generator

FO Fully Open

FOB Fuel On Board

FOC Fuel/Oil Cooler

FOCT Flight Operations Consultation Tool

FOD Foreign Object Damage

FOS Fuel Operator Station

FOVE Flight Operations Versatile Environment

FPA Flight Path Angle

FPEEPMS Floor Proximity Emergency Escape Path Marking System

FPH Floor Panel Heating

FPMU Fuel Properties Measurement Unit

FPPU Feedback Position Pick-off Unit

FPRM Fuel Pipe Repair Manual

FPS Fire Protection System

FPT Flight Path Target

FPV Flight Path Vector

FQ Fuel Quantity

FQDC Fuel Quantity Data Concentrator

FQI Fuel Quantity Indicating/Indication/Indicator

FQIC Fuel Quantity Indication Computer

FQMS Fuel Quantity and Management System

FR Frame

FREQ Frequency

FRM Fault Reporting Manual

FRS Flammability Reduction System

FRU Frequency Reference Unit

FRV Fuel Return Valve

FS Front Spar

FSA FlySmart with Airbus

FSB Fasten Seat Belts

FSCM Federal Supply Code for Manufacturers



Glossary


FSN Fleet Serial Number

FTG Fitting

FTI Flight Test Installation

FTIS Fuel Tank Inerting System

FTSP Floor Temperature Setting Panel

FTU Force Transducer Unit

FU Fuel Used

FUSLG Fuselage

FW Failure Warning

FWC Flight Warning Computer

FWD Forward

FWL Firewall

FWS Flight Warning System

G Green

G/S Glide Slope

GA Go-Around

GAD General Assembly Drawing

GAIN Electrical GAlley INsert equipment

GAIR General Assembly Inspection Report

GALY Galley

GAPCU Ground and Auxiliary Power Control Unit

GCR Generator Control Relay

GCU Generator Control Unit

GDE Guide

GDNC Guidance

GDO Ground Door Opening

GE General Electric

GEM Ground Equipment Manual

GEN Generator

GES Ground Earth Station

GFI Ground Fault Interruption

GGPCU Generator and Ground Power Control Unit

GLASU Galley Light Attendant Service Unit

GLC Generator Line Contactor

GLR Generator Line Relay

GLS GNSS Landing System

GLT Ground Leak Test

GMT Greenwich Mean Time

GNC Galley Network Controller

GND Ground

GNLU GNSS Navigation and Landing Unit

GNSS Global Navigation Satellite System

GPCU Ground Power Control Unit

GPIRS Global Positioning and Inertial Reference System

GPM General Processing Module

GPS Global Positioning System

GPSSU Global Positioning System Sensor Unit

GPU Ground Power Unit



Glossary


GPWC Ground Proximity Warning Computer

GPWS Ground Proximity Warning System

GRP Geographic Reference Point

GRP Glass-Reinforced Plastic

GRU Ground Refrigeration Unit

GRVTY Gravity

GS Ground Speed

GSB Ground Service Bus

GSE Ground Support Equipment

GSHLD Glareshield

GSM Global System for Mobile Communication

GSP Ground Service Panel

GTI Ground Test Instructions

GW Gross Weight

GWDU Galley Waste Disposal Unit

GWR General Working Rules

GYRO Gyroscope

H/W Hardware

HA Holding Pattern to an Altitude Termination

HARN Harness

HCS Humidification Control System

HCU Hydraulic Control Unit

HCU Head Up Combiner Unit

HDDA Hard Disk Drive Array

HDG Heading

HDG/S Heading Selected

HDL Handle

HDLG Handling

HDM HSDU Data Module

HDST Headset

HDWHL Handwheel

HEATG Heating

HEGS Hydraulic Electrical Generating System

HES Head-End Switch

HESU Head-End Server Unit

HF Holding Pattern to a Fixed Waypoint

HF High Frequency

HFDR High Frequency Data Radio

HFEC High Frequency Eddy Current

HGA High Gain Antenna

HI High

HID High Intensity Discharge

HIDS Host Intrusion Detection System

HL High Level

HLD Hold

HLD High Power Amplifier/Low Noise Amplifier/Diplexer

HLDR Holder

HLTY Healthy



Glossary


HM Holding Pattern with a Manual Termination

HMC Hydromechanical Control

HMDU Hatrack Mounted Display Unit

HMI Human-Machine Interface

HMU Hydromechanical Unit

HMU Hydromechanical Metering Unit

HOR Hold Open Rod

HOT High Oil Temperature

HP High Pressure

HPA High Power Amplifier

HPC High Pressure Compressor

HPR High Power Relay

HPT High Pressure Turbine

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 HP Bleed Valve

HRP Horizontal Reference Plane

HS High Speed

HSDU High Speed Data Unit

HSI Horizontal Situation Indicator

HSMU Hydraulic System Monitoring Unit

HSMU Hydraulic System Management Unit

HTG Heating

HTR Heater

HUD Head Up Display

HUDC Head Up Display Computer

HUMIDIF Humidification

HV High Voltage

HVPS High Voltage Power Supply

HXX Hydraulic Heat Exchanger

HYD Hydraulic

I/O Input/Output

I/P Intercept Profile

I/P Intercept Point

I/P Input

IAE International Aero Engines

IAF Initial Approach Fix

IAS Indicated Airspeed

IBIT Initiated BITE

IBLC Inter-Bus Line Contactor

IBU Integrated Ballast Unit

ICD Interface Control Document

ICP Integrated Control Panel

ICU Isolation Control Unit



Glossary


ICY Interchangeability

ID Inside Diameter

IDENT Identification, Identifier, Identify

IDG Integrated Drive Generator

IDU Interactive Display Unit

IF Initial Fix

IFE In-Flight Entertainment

IFEC In-Flight Entertainment Center

IFPA InFlight Performance Application

IFR Instrument Flight Rules

IGB Inlet Gear Box

IGGS Inert Gas Generation System

IGN Ignition

IGV Inlet Guide Vane

ILLUM Illumination

ILS Instrument Landing System (LOC and G/S)

IM Inner Marker

IMA Integrated Modular Avionics

IMM Immediate

IMR Interlock Monitoring Relay

IMU Inertial Measurement Unit

INB Inbound

INBD Inboard

INCR Increment

IND Indicator

INDG Indicating

INFO Information

INHIB Inhibit, Inhibited, Inhibition

INIT Initial(ization)

INOP Inoperative

INR Inner

INRTL Inertial

INS Inertial Navigation System

INST Instrument

INST Instinctive

INSTL Installation

INSUL Insulate, Insulation, Insulator

INT Interior

INTCP Intercept

INTEG Integral

INTERCOM Intercommunication

INTFC Interface

INTL Internal

INTLK Interlock

INTMD Intermediate

INTMT Intermittent

INTPH Interphone

INTRG Interrogate, Interrogator



Glossary


INTRPT Interrupt

INV Inverter

IOM Input/Output Module

IP Intermediate Pressure

IPC Illustrated Parts Catalog

IPCU Ice Protection Control Unit

IPDU Ice Protection Data Unit

IPPU Instrumentation Position Pick-off Unit

IPRAM Integrated Prerecorded Announcement Module

IR Inertial Reference

IRD Integrated Receiver Decoder

IRDC Interface Remote Data Concentrator

IRDM Integrated Receiver Decoder Module

IRP Integrated Refuel Panel

IRS Inertial Reference System

ISA International Standard Atmosphere

ISIS Integrated Standby Instrument System

ISM Illumination Sensor Module

ISO International Standardization Organisation

ISOL Isolation

ISP Integrated Static Probe

ISPSS In-Seat Power Supply System

ISPSU In-Seat Power Supply Unit

IV Isolation Valve

IVASEB Integrated Video and Audio Seat Electronic Box

IVS Inertial Vertical Speed

JAM Jammed, Jamming

JAR Joint Aviation Requirements

JEP Jeppesen

JFGW Jettison Final Gross Weight

JID Jeppesen Inflight Database

JITX Jeppesen Integrated Tool Kit X

JTSN Jettison

JUNCTN Junction

KBD Keyboard

KCCU Keyboard and Cursor Control Unit

KFS Kaspersky File System

KU Keyboard Unit

L Length

L Left

L/G Landing Gear

L/HIRF Lightning/High Intensity Radiated Fields

LA Linear Accelerometer

LAF Load Alleviation Function

LAILA LAvatory Interface and Light Adapter

LAMM Lights, Audio and Miscellaneous Module

LAN Local Area Network

LAT Lateral



Glossary


LAT Latitude

LAV Lavatory

LBA Logical Bus Application

LBP Left Bottom Plug

LC Line Contactor

LCD Liquid Crystal Display

LCDT Load Compressor Discharge Temperature

LCF Left Center Fuselage

LCH Latch

LCIT Load Compressor Inlet Temperature

LCN Load Classification Number

LCP Local Control Panel

LCTR Locator

LD Lower Deck

LD CAB Lower Deck Cabin

LD GALY Lower Deck Galley

LD LAV Lower Deck Lavatory

LDC Local Door Controller

LDCC Lower Deck Cargo Compartment

LDF Lower Deck Facilities

LDG Landing

LDMCR Lower Deck Mobile Crew Rest

LDPA LanDing Performance Application

LE Leading Edge

LED Light Emitting Diode

LEHGS Local Electro-Hydraulic Generation System

LEO Little Earth Orbit

LER Leading Edge Rib

LGA Low Gain Antenna

LGCIS Landing Gear Control Indication System

LGCIU Landing Gear Control and Interface Unit

LGCM Light Green Communication Manager

LGERS Landing Gear Extension and Retraction System

LGMS Landing Gear Management System

LGWSS Landing Gear Well Surveillance System

LH Left Hand

LIB Loudspeaker and Indicator Box

LIM Limit, Limitation, Limiting, Limiter

LIQD Liquid

LIS Localizer Inertial Smoothing

LKD Locked

LKG Locking

LKSHFT Lockshaft

LL Latitude/longitude

LLS Liquid Level Sensor

LMES Loss of Main Electrical Supply

LMF Local Maintenance Function

LMP Left Middle Plug



Glossary


LMS Leakage Measurement System

LNG Long

LNR Linear

LO Low

LOC Localizer

LOCKG Locking

LONG Longitude

LONGL Longitudinal

LONGN Longeron

LOP Low Oil Pressure

LOS Lavatory Occupied Sign

LP Low Pressure

LPC Low Pressure Compressor

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

LRU Line Replaceable Unit

LS Loudspeaker

LS Low Speed

LS Landing System

LSB Least Significant Bit

LSC Load Signature Certificate

LSI Large Scale Integrated/Integration/Integrator

LSR Load Shedding Relay

LT Light

LTD Limited

LTD PLT Lighted Plate

LTG Lighting

LTM Livestock Transportation Manual

LTP Left Top Plug

LV Low Voltage

LVDT Linear Variable Differential Transducer

LVL Level

LVR Lever

LVT Linear Voltage Transducer

LW Left Wing

LW Landing Weight

LWR Lower

LWSA Lavatory Water Supply Assy

M Maneuvering Speed (EFIS)

M/L Mood Lighting



Glossary


MAC Mean Aerodynamic Chord

MACT Module Application Configuration Table

MAF Maintenance Access Function

MAG Magnetic

MAG DEC Magnetic Declination

MAIN MUX Main Multiplexer

MAINT Maintenance

MAN Manual

MAT Multi-purpose Access Terminal

MAX Maximum

MCD Movable Class Divider

MCDU Multipurpose Control & Display Unit

MCE Motor Control Electronic

MCL Maximum Climb

MCPU Motor Control and Protection Unit

MCS Mission Computer Subsystem

MCT Maximum Continuous Thrust

MCU Master Control Unit

MCU Modular Concept Unit

MCUR Mean Cycle Between Unscheduled Removals

MD Main Deck

MDA Minimum Descent Altitude

MDCC Main Deck Cargo Compartment

MDCD Main Deck Cargo Door

MDDU Multipurpose Disk Drive Unit

MDL Module

MDR Multiregional DBS (Digital Broadcast System) Receiver

MDU Manual Drive Unit

MEAS Measurement

MEC Main Engine Control

MECH Mechanic, Mechanical, Mechanism

MED Medium

MEL Minimum Equipment List

MEO Middle Earth Orbit

MEP Main Executive Program

MES Main Engine Start

MET Meteorological

MEW Manufacturer's Empty Weight

MFA Memorized Fault Annunciator

MFD MultiFunction Display

MFG Manufacturing

MFP Maintenance Facility Planning

MFP MultiFunction Probe

MFR Manufacturer

MFS MultiFunction Sensor

MGB Main Gear Box

MGMT Management

MI Magnetic Indicator



Glossary


MIB Management Information Base

MIC Microphone

MICBAC Micro-System Bus Access Channel

MID Middle

MIDU Multi-Input Interactive Display Unit

MILA Mini Light Adapter

MIN Minimum

MIP Master Interphone Panel

MISC Miscellaneous

MKR Marker (radio) Beacon

MLA Maneuver Load Alleviation

MLC Mood Lighting Controller

MLFAP Mood Lighting Flight Attendant Panel

MLG Main Landing Gear

MLI Magnetic Level Indicator

MLIH Magnetic Level Indicator Housing

MLS Microwave Landing System

MLW Maximum Design Landing Weight

MM Middle Marker

MMEL Master Minimum Equipment List

MMI Manual Magnetic Indicator

MMO Mach Max Operating Speed

MMO Maximum Operating Mach

MMR Multi-Mode Receiver

MNFOLD Manifold

MOD Modification

MODLTR Modulator

MON Monitor, Monitoring, Monitored

MORA Minimum Off Route Altitude

MORV Mixer Overpressure Relief Valve

MOS Metal Oxyde Semiconductor

MOT Motor, Motorized

MP Modification Proposal

MPD Maintenance Planning Document

MPU Modem Processor Unit

MRB Maintenance Review Board

MRBR Maintenance Review Board Report

MRW Maximum Ramp Weight

MSA Minimum Safe Altitude

MSB Most Significant Bit

MSG Message

MSG Maintenance Steering Group

MSI Maintenance Significant Item

MSL Mean Sea Level

MSM Monitoring System Module

MSN Manufacturer Serial Number

MSN Manufacturer's Serial Number

MSTR Master



Glossary


MSU Media Server Unit

MSU Mode Selector Unit (IRS)

MSU Motor Switching Unit

MSW Microswitch

MTBD Mean Time Between Defects

MTBF Mean Time Between Failures

MTBR Mean Time Between Removals

MTBUR Mean Time Between Unscheduled Removals

MTG Mounting

MTI Multi Tank Indicator

MTO Maximum Take-Off

MTOGW Maximum Takeoff Gross Weight

MTOW Maximum Design Takeoff Weight

MTP Maintenance and Test Panel (AFS)

MTTF Mean Time to Failure

MTTR Mean Time to Repair

MTTUR Mean Time to Unscheduled Removal

MTW Maximum Design Taxi Weight

MU Management Unit

MUX Multiplex, Multiplexer

MVT Movement

MXR Mixer

MZFW Maximum Design Zero Fuel Weight

N North

N MOS Negative Metal Oxide Semiconductor

N/A Not Applicable

N/W Nose Wheel

N/WS Nose Wheel Steering

N1 Low Pressure Rotor Speed

N1 Engine Fan Speed

N1.D N1 Descent

N1.L N1 Latch

N2 High Pressure Rotor Speed

NAC Nacelle

NAC Nacelle Air Cooling

NAI Nacelle Anti-Icing

NAIF NSS ACR Instrumentation Function

NAS Navy and Army Standard

NASA National Aeronautics and Space Administration

NATS North American Telephone System

NAV Navigation

NAVAID Navigation Aid

NBF Network BITE Function

NBPT No Break Power Transfer

NBSELV Normal Brake Selector Valve

NC Normally Closed

NCD No Computed Data

NCR NSS Communication Router



Glossary


NCU NSS Control Unit

NCV Nacelle Cooling Valve

ND Navigation Display

NDB Non-Directional Beacon

NDM Noise Definition Manual

NDT Non-Destructive Test

NEG Negative

NFOV Narrow Field of View

NHA Next Higher Assembly

NLG Nose Landing Gear

NMI Non Maskable Interrupt

NO Normal Operation

NO Normally Open

NORM Normal

NOVOLRAM Non-volatile Random Access Memory

NS No Smoking

NSA Norme Sud Aviation

NSCM NATO Supply Code for Manufacturers

NSDW Non Specific Design Work

NSIU Nose Static Interface Unit

NSS Network Server System

NTF Non-Textile Floor covering

NTM Nondestructive Testing Manual

NTSC National Television System Committee

NTWK Network

NUM Numerical

NVM Non-Volatile Memory

No Number

O Open

O/P Output

O2 Oxygen (Symbol)

OAMS Onboard Asynchronous Messaging Service

OANC Onboard Airport Navigation Computer

OANS Onboard Airport Navigation System

OAT Outside Air Temperature

OBCE On-Board Control Equipment

OBCEww On-Board Control Equipment worldwide

OBOGS On Board Oxygen Generation System

OBRM On Board Replaceable Module

OBS Omni Bearing Selector

OC Open Circuit

OC Overcurrent

OC Oceanic Clearance

OCCPNT Occupant

OCM Outflow valve Control Module

OCSM Outflow valve Control and Sensor Module

OD Outside Diameter

ODU Optical Display Unit



Glossary


OEW Operational Empty Weight

OF Overfrequency

OFDM Onboard Flight Data Monitoring

OFF/R Off Reset

OFMV Oil Flow Management Valve

OFST Offset

OFV Outflow Valve

OGV Outlet Guide Vane

OH Opposite Hand

OHDS OverHeat Detection System

OHDU Overheat Detection Unit

OHSC Overhead Stowage Compartment

OHU Optical Head Unit

OIS Onboard Information System

OIT Oil Inlet Temperature

OIT Onboard Information Terminal

OK Correct

OM Outer Marker

OMS Onboard Maintenance System

OMT Onboard Maintenance Terminal

OMTS On-Board Mobile Telephony System

OOT Oil Outlet Temperature

OPER Operative/Operation/Operating

OPMS Oleo Pressure Monitoring System

OPNG Opening

OPP Opposite

OPS Operations

OPT Optional

OPT Optimum

OPTS Oleo Pressure and Temperature Sensor

OPU Overspeed Protection Unit

OPV Overpressure Valve

ORT Owner Requirement Table

ORVD Overpressure Relief Valve with Dump Function

OS Operating System

OSCU Oxygen System Control Unit

OU Outlet Unit

OUT Outlet

OUTB Outbound

OUTBD Outboard

OUTFLW Outflow

OUTR Outer

OVBD Overboard

OVFL Overflow

OVHD Overhead

OVHT Overheat

OVLD Overload

OVPRESS Overpressure



Glossary


OVRD Override

OVSP Overspeed

OVSTEER Oversteer

OWD Open World Diode

OXY Oxygen

P Purple

P/B Pushbutton

P/BSW Pushbutton Switch

P/C Printed Circuit

P/N Part Number

PA Passenger Address

PADS Pneumatic Air Distribution System

PARAM Parameter

PARK Parking

PAS Pitch Attitude Sensor

PATS Passenger Air-to-Ground Telephone System

PAX Passenger

PBE Protective Breathing Equipment

PBIT Power-Up Built-in Test

PBM Power Plant Build-up Manual

PBSELV Park Brake Selector Valve

PBSW Pushbutton Switch

PC Pack Controller

PC Personal Computer

PCB Printed Circuit Board

PCDM Primary Contactor Driver Module

PCDS Primary Contactor Driver System

PCM Power Conditioning Module

PCM Pulse Code Modulation

PCOS Power Cowl Opening System

PCPU Primary COS Power Unit

PCT Probe Compensator Temperature

PCU Passenger Control Unit

PCU Power Control Unit

PCU Power Controller Unit

PD Principle Diagram

PDCS Power Distribution Control System

PDL Portable Data Loader

PDMC Power Distribution Maintenance Computer

PDMI Power Distribution Maintenance Interface

PDO Power Door Opening

PDU Power Drive Unit

PE HP Stage Air Pressure

PED Portable Electronic Device

PED Pedestal

PEDMU Primary Electrical Distribution Management Unit

PEF Pylon Extension Fairing

PEPDC Primary Electrical Power Distribution Center



Glossary


PERF Performance

PERM Permanent

PES Passenger Entertainment (System)

PESAR Passenger Entertainment System Audio Reproducer

PESC PES Controller

PESMMUX Passenger Entertainment System Main Mux

PF Pilot Flying

PF Power Factor

PFD Primary Flight Display

PFIS Passenger Flight Information System

PFQ Preselected Fuel Quantity

PFR Post Flight Report

PFTU Pedal Feel and Trim Unit

PH Phase

PHC Probe Heat Computer

PIM Programming and Indication Module

PIN PROG Pin Programming

PIPC Power Plant Illustrated Parts Catalog

PIREP Pilot Reports

PIREP Pilot Report

PISA Passenger Interface and Supply Adapter

PIU Passenger Information Unit

PL Plate

PLA Power Light Adapter

PLCRD Placard

PMA Permanent Magnet Alternator

PMAT Portable Multipurpose Access Terminal

PMC Power Management Control,controller

PMDB Production Management Data Base

PMG Permanent Magnet Generator

PMM Personalization Memory Module

PMP Pump

PMR Performance Maintenance Recorder

PMS Process and Material Specification

PMU Power Management Unit

PMUX Power Plant Multiplexer

PN Part Number

PNEU Pneumatic

PNF Pilot Non Flying

PNL Panel

PNR Part Number

POB Pressure-Off Brake

POR Point of Regulation

POS Position

POT Potentiometer

POXIP Passenger Oxygen Indication Panel

PPOS Present Position

PPU Position Pickoff Unit



Glossary


PR Pressure

PRAM Prerecorded Announcement and Music

PRB Probe

PRE-EMPT Pre-emptive

PREAMP Preamplifier

PRECOOL Precooler

PRED Prediction

PRED Predictive

PREREC Prerecorded

PRES POS Present Position

PRESEL Preselection, Preselector

PRESS Pressure, Pressurization, Pressurize

PREV Previous

PRI Priority

PRIM Primary

PRIM PRIMary System

PROC Procedure

PROF Profile

PROG Program, Programming

PROJ Projector

PROM Programmable Read Only Memory

PROT Protection

PROX Proximity

PRPHL Peripheral

PRR Power Ready Relay

PRSRZG Pressurizing

PRV Pressure Regulating Valve

PSCU Proximity Switch Control Unit

PSDU Power Supply Decoupling Unit

PSI Pound per Square Inch

PSIC Proximity Sensor Interface Card

PSIU Passenger Service Information Unit

PSS Passenger Services System

PSU Passenger Service Unit

PT Point

PTC Positive Temperature Coefficient

PTR Push to Reset

PTT Push to Test

PTT Push-to-Talk

PTU Power Transfer Unit

PU Pick Up

PU Parts Usage

PU Processing Unit

PURS Purser

PVI Paravisual Indicating

PVIS Passenger Visual Information System

PW Pratt & Whitney

PWCU Potable Water Control Unit



Glossary


PWIP Potable Water Indication Panel

PWM Pulse Width Modulator

PWR Power

PWS Predictive WindShear

PWS Potable Water System

PWSP Potable Water Service Panel

PYL Pylon

Q Pitch Rate

QAD Quick-Attach-Detach

QAM Quadrature Amplitude Modulation

QAR Quick Access Recorder

QAT Quadruple ARINC Transmitter

QD Quick Donning

QEC Quick Engine Change

QFE Field Elevation Atmospheric Pressure

QFU Runway Heading

QMU QAM Modulator Unit

QNE Sea Level Standard Atmosphere Pressure

QNH Sea Level Atmospheric Pressure

QTY Quantity

R Red

R Radius

R Right

R-LMF Right Side Local Maintenance Function

R-OMS Right Side Onboard Maintenance System

R/C Rate of Climb

R/D Rate of Descent

R/I Radio/Inertial

R/L Reading Light

R/T Radio Transmit

RA Radio Altimeter, Radio Altitude

RAAS Runway Awareness and Advisory System

RAC Rotor Active Clearance

RACA Ram Air Channel Actuator

RACC Rotor Active Clearance Control

RACSB Rotor Active Clearance Start Bleed

RAD Radio

RADVR Random Access Digital Video Reproducer

RAI Ram Air Inlet

RAIMS Radio and Audio Integrating Management System

RAM Random Access Memory

RAT Ram Air Turbine

RATC Remote Air Traffic Control

RBP Right Bottom Plug

RC Repetitive Chime

RCC Remote Control Center

RCC Remote Charge Converter

RCCB Remote Control Circuit Breaker



Glossary


RCCBM RCCB Module

RCD RAAS Configuration DataBase

RCDR Recorder

RCF Right Center Fuselage

RCL Recall

RCP Reverse Current Protection

RCPT Receptacle

RCPTN Reception

RCT Rear Center Tank

RCVR Receiver

RCVY Recovery

RD Retro Drawing

RDC Remote Data Concentrator

RDL Resident Data Loader

RDU Receiver Decoder Unit

RDY Ready

READG Reading

RECIRC Recirculate, Recirculation

RECN Repair Engineering Change Note

RECONF Reconfiguration

RECT Rectifier

RED Reduction

REDCR Reducer

REDUND Redundancy

REF Reference

REFUEL Refueling

REG Regulator

REGUL Regulation

REL Reluctance

REL Release

REP Repository

RES Resistance

RET Retract

RETRD Retracted

REV Reverse

REV Revise, Revision

RF Radio Frequency

RFC Request for Change

RFI Request for Information

RFI Radio Frequency Interference

RFU Radio Frequency Unit

RFW Request for Work

RH Right Hand

RHEO Rheostat

RHL Rudder Hinge Line

RLA Reverser Lever Angle

RLY Relay

RMI Radio Magnetic Indicator



Glossary


RMO Retrofit Modification Offer

RMP Radio Management Panel

RMP Radio and Audio Management Panel

RMT Remote

RNG Range

ROLR Roller

ROLS Remote Oil Level Sensor

ROM Read Only Memory

ROTG Rotating

RPCU Residual Pressure Control Unit

RPDR Reproducer

RPF Reporting Processing Function

RPLNT Repellent

RPM Revolution per Minute

RPSA Rotating Pressure Sensing Assembly

RPTG Repeating

RPTR Repeater

RQRD Required

RR Rolls Royce

RSS Receiver Surveillance System

RST Reset

RSV Reserve

RSVR Reservoir

RTE Route

RTM Real Time Monitoring

RTN Return

RTO Rejected TakeOff

RTOLW Runway Takeoff and Landing Weight

RTOW Runway Takeoff Weight

RTP Right Top Plug

RTR Router

RTRY Rotary

RTS Return to Seat

RTT Return To Tank

RTU Radar Transceiver Unit

RUD Rudder

RVCP Remote Video Control Panel

RVDT Rotary Variable Differential Transducer

RVR Runway Visual Range

RVSM Reduced Vertical Separation Minimum

RVT Rotary Variable Transformer

RW Right Wing

RWDS Rearwards

RWY Runway

RX Receive

S South

S Minimum Slat Retract Speed (EFIS)

S/C Step Climb



Glossary


S/D Step Descent

S/MECH Shortening Mechanism

S/W Software

SA Stress Analysis

SACU Stand Alone Compensator Unit

SAD Stress Analysis Data

SAE Society of Automotive Engineers

SAF Safety

SAL System Address Label

SALSA Spot Array Light Supply Adapter

SAM Stress Analysis Manual

SAR Smart Access Recorder

SAT Static Air Temperature

SATCOM Satellite Communication

SAV Starter Air Valve

SB Service Bulletin

SBB Swift Broadband

SC Single Chime

SCAV Scavenge

SCE Source

SCG System Configuration Guide

SCI Secure Communication Interface

SCN Specification Change Notice

SCS Supplemental Cooling System

SCU Supplemental Control Unit

SCU System Control Unit

SD System Display

SDAC System Data Analog Converter

SDAC System Data Acquisition Concentrator

SDCU Smoke Detection Control Unit

SDF Smoke Detection Function

SDN System Description Note

SDOF Single Degree of Freedom

SDU Satellite Data Unit

SDW Specific Design Work

SE Simplified English

SEAL Sealing

SEB Seat Electronic Box

SEC Spoiler Elevator Computer

SEC Secondary

SEC SECondary Computer

SECT Section

SEL Select, Selected, Selector, Selection

SELCAL Selective Calling System

SELV Selector Valve

SEPDC Secondary Electrical Power Distribution Center

SEQ Sequence, Sequential

SER Serial



Glossary


SER Serial Number

SES Support Equipment Summary

SET Setting

SFC Specific Fuel Consumption

SFCC Slat Flap Control Computer

SFE Seller Furnished Equipment

SGCU Smart Galley Control Unit

SGU Symbol Generator Unit

SH ABS Shock Absorber

SHCM System Heating Control Module

SHED Sheddable, Shedding

SHLD Shield, Shielding

SHR PN Shear Pin

SHT Short

SI Slip Indicator

SIC System Isolation Contactor

SID Standard Instrument Departure

SIG Signal

SIL Speech Interference Level

SIM Simulation

SIR Service Identification Request

SIRU Secure Interface Router Unit

SIS Standalone Identification System

SIU Server Interface Unit

SKT Socket

SLA Small Light Adapter

SLD Slide, Sliding

SLT Slat

SM Standards Manual

SMC System Manager Controller

SMK Smoke

SN Serial Number

SNGL Single

SNMP Simple Network Management Protocol

SNSG Sensing

SNSR Sensor

SO Shutoff

SOL Solenoid

SOV Shut-Off Valve

SPD Speed

SPDB Secondary Power Distribution Box

SPEC Specification

SPKR Speaker

SPL Sound Pressure Level

SPLR Spoiler

SPLY Supply

SPM Signal Processing Module

SPP Software Pin Programming



Glossary


SPRDR Spreader

SPST Single Pole Single Throw

SQ Squelch

SRF Servicing and aircraft condition parameters Reporting Function

SRM Structural Repair Manual

SRPS Safe Redundant Power Supply

SRPSU Slide Release Power Supply Unit

SRS Speed Reference System

SRU Shop Replaceable Unit

SSA Side Slip Angle

SSB Single Side Band

SSCVR Solid State Cockpit Voice Recorder

SSEC Static Source Error Correction

SSFDR Solid State Flight Data Recorder

SSM Sign Status Matrix

SSMM Solid State Mass Memory

SSP System Signal Processor

SSPC Solid State Power Controller

SSTDU Side Stick Transducer and Damper Unit

SSTU Side Stick Transducer Unit

STA Station

STAB Stabilizer

STAR Standard Terminal Arrival Route

STAT Static

STBY Standby

STD Standard

STELLA STair Electrical Light Lead Adapter

STGR Stringer

STRG Steering

STRK Stroke

STRM Secure open and Trip Resident Memory

STS Status

STWG Stowage

SUCT Suction

SUPPL Supplementary

SUPPR Suppressor

SURF Surface

SV Servovalve

SVA Stator Vane Actuator

SVCE Service

SVO Servo

SW Switch

SWTG Switching

SYNC Synchro, Synchronise

SYNTHR Synthetizer

SYS System

T True

T Turn



Glossary


T Trim

T-R Transmitter-Receiver

T.O TakeOff

T/C Top of Climb

T/D Top of Descent

T/F Track of a Fixed Waypoint

T/R Thrust Reverser

T2C HP Compressor Inlet Temperature

T2CAS Traffic and Terrain Collision Avoidance System

T54 Low Pressure Turbine Inlet Temperature

TAC Taxiing Aid Camera

TACAN Ultra-high Frequency Tactical Air Navigation Aid

TACH Tachometer

TACS Taxiing Aid Camera System

TACT Tactical

TADD Trim Air Drive Device

TAS True Airspeed

TAT Total Air Temperature

TAWS Terrain Awareness and Warning System

TB Terminal Block

TBC To Be Confirmed

TBO Time Between Overhauls

TBV Transient Bleed Valve

TC Thermocouple

TC Theoretical Contour

TC HP Turbine Case Pressure

TCA Throttle Control Assy

TCAS Traffic Alert and Collision Avoidance System

TCC Turbine Clearance Control

TCC Thrust Control Computer

TCC Turbine Case Cooling

TCIU Telephone Communication Interface Unit

TCM Thrust Control Malfunction

TCS Temperature Control System

TCU Throttle Control Unit

TDB Terrain DataBase

TDD Technical Design Directive

TDS Technical Data Sheet

TE HP Stage Air Temperature

TE Trailing Edge

TEC Turbine Exhaust Case

TED Tool and Equipment Drawing

TEFO Total Engine Flame Out

TEI Tool and Equipment Index

TELECOM Telecommunications

TEM Illustrated Tool and Equipment Manual

TEMP Temperature

TEO Engine Oil Temperature



Glossary


TER Trailing Edge Rib

TFTS Terrestrial Flight Telephone System

TFU Technical Follow-up

TGT Target

THERAP Therapeutic

THR Thrust

THRM Thermal

THRMST Thermostat

THROT Throttle

THROT PUSH Throttle Pusher

THS Trimmable Horizontal Stabilizer

TIC Turbine Impingement Cooling

TIT Turbine Inlet Temperature

TK Tank

TKE Track Angle Error

TLA Throttle Lever Angle

TLCS Trolley Lift & Conveyance System

TLS Transcowl Locking System

TLS Trolley Lift System

TLU Travel Limitation Unit

TLV Tertiary Lock Valve

TM Torque Motor

TM Transportability Manual

TMLB Technical and Maintenance LogBook

TMR Timer

TOGA Takeoff/Go Around

TOGW Takeoff Gross Weight

TOIL Toilet

TOL Tolerance

TOPA TakeOff Performance Application

TOT Total

TOW Takeoff Weight

TPIC Tire Pressure Indicating Computer

TPIS Tire Pressure Indicating System

TPR Turbofan Power Ratio

TPS Temporary Protection System

TPU Terminal Processor Unit

TR Transformer Rectifier

TR Thrust Reverser

TR Transistor

TRA Throttle Resolver Angle

TRANS Transition

TRC Thrust Rating Computer

TRDV Thrust Reverser Directional Valve

TRF Turbine Rear Frame

TRGT Target

TRIG Trigger

TRK Track (angle)



Glossary


TRLY Trolley

TROPO Tropopause

TRP Thrust Rating Panel

TRPU Thrust Reverser Power Unit

TRPV Thrust Reverser Pressurizing Valve

TRQE Torque

TRV Travel

TSF Trouble Shooting Function

TSFC Thrust Specific Fuel Consumption

TSM Trouble Shooting Manual

TSP Tank Signalling Processor

TSPA Tank Signal Processor A

TSPB Tank Signal Processor B

TT Trim Tank

TTL Transistor Transistor Logic

TTS Trim Tank System

TU Tapping Unit

TURB Turbulence, Turbulent

TURB Turbine

TV Television

TVBC Turbine Vane and Blade Cooling

TWLU Terminal Wireless LAN Unit

TX Transmit

TYP Typical

U/FLOOR Underfloor

U/S Unserviceable

UADF User Application Definition File

UD Upper Deck

UDCC Upper Deck Cargo Compartment

UDCD Upper Deck Cargo Door

UDP User Datagram Protocol

UEB Underseat Electronic Box

UF Underfrequency

UHF Ultra High Frequency

UICDL User Interface Configuration Download List

ULD Unit Load Device

ULLI Understep LED Light

UMS User Modifiable Software

UNBAL Unbalance, Unbalanced

UND Under

UNIV Universal

UNLK Unlock

UNLKD Unlocked, Unlocking

UPLK Uplock

UPPR Upper

UPR Upper

USB Universal Serial Bus

UTC Universal Time Coordinated



Glossary


UV Under Voltage

UV Ultra-Violet

UWBS Universal Wireless Backbone System

V Valve

V/S Vertical Speed

V1 Critical Engine Failure Speed

V1 Decision Speed

V2 Takeoff Safety Speed

V3 Flap Retraction Speed

V4 Slat Retraction Speed

VAC Voltage Alternating Current

VACU Vacuum

VAR Variable, Variation

VBV Variable Bleed Valve

VC Ventilation Controller

VCC Video Control Center

VCM Video Camera Module

VCO Voltage Controlled Oscillator

VCP Video Control Panel

VCS Ventilation Control System

VCU Video Control Unit

VDAR Virtual DAR

VDC Voltage Direct Current

VDEV Vertical Deviation

VDR VHF Data Radio

VDU Video Display Unit

VEL Velocity

VENT Ventilation

VERT Vertical

VFG Variable Frequency Generator

VFR Visual Flight Rules

VHCU Versatile Heating Control Unit

VHDU Versatile Heating Data Unit

VHF Very High Frequency

VHV Very High Voltage

VIB Vibration

VIMU Video Multiplexer Unit

VL Virtual Link

VLF Very Low Frequency

VLS Lower Selectable Speed

VLV Valve

VM Voltmeter

VMU Video Modulator Unit

VOD Video On Demand

VODDSU VOD Data Server Unit

VODMU VOD Modulator Unit

VODSU VOD Server Unit

VOL Volume



Glossary


VOR VHF Omnidirectional Range

VOR.D VOR-DME

VORTAC Visual Omni-Range Tactical Air Navigation

VQAR Virtual QAR

VR Rotation Speed

VREF Landing Reference Speed

VRMS Volt Root Mean Square

VRU Video Reproducer Unit

VSC Vacuum System Controller

VSCF Variable Speed Constant Frequency

VSEB Video Seat Electronic Box

VSI Vertical Speed Indicator

VSS Stick Shaker Speed

VSV Variable Stator Vane

VSVA Variable Stator Vane Actuator

VSW Stall Warning Speed

VSWR Voltage Standing Wave Ratio

VTP Vertical Tail Plane

VTR Video Tape Reproducer

VTS Vacuum Toilet System

VV Velocity Vector

W White

W West

WABSIC Wheel And Brake System Integrated Component

WACS Wireless Airport Communication System

WAI Wing Anti-Ice

WARN Warning

WBA Weight and Balance Application

WBBC Weight and Balance Backup Computation

WBC Weight & Balance Computer

WBM Weight and Balance Manual

WBS Weight and Balance System

WD Warning Display

WD Wing Datum

WD Wiring Diagram

WDB Wall Disconnect Box

WFOV Wide Field of View

WG Wire Group

WG Wing

WGD Windshield Guidance Display

WGDC Windshield Guidance Display Computer

WGDS Windshield Guidance Display System

WHC Window Heat Computer

WHL Wheel

WIPCU Water Ice Protection Control Unit

WIPDU Water Ice Protection Data Unit

WLDP Warning Light Display Panel

WLG Wing Landing Gear



Glossary


WLM Wireless LAN Manager

WOW Weight On Wheels

WPT Waypoint

WRG Wiring

WRK Work, Working

WSCS Wheel Steering Control System

WSHLD Windshield

WSSG Warning System Symbol Generator

WT Weight

WTB Wing tip brake

WTR Water

WX Weather Mode (ND)

WXR Weather Radar

X Cross

X Trans

X BLEED Crossbleed

X FEED Crossfeed

X LINE Crossline

X VALVE Cross Valve

X-TALK Cross-talk

XBAR Crossbar

XCHECK Crosscheck

XCVR Transceiver

XDCR Transducer

XFMR Transformer

XFR Transfer

XING Crossing

XLOAD Crossload

XLTR Translator

XMSN Transmission

XMTR Transmitter

XPDR Transponder

XWIND Crosswind

Y Yellow

Y/C Economy Class

Z Zone

Z Greenwich Mean Time

ZC Zone Controller

ZFCG Zero Fuel Center of Gravity

ZFW Zero Fuel Weight

Zp Pressure Altitude



Glossary


airbus abbreviation

Documents

digital converter ag

glossary print date

ethernet afecu automatic

local time page

ground al airline

airport planning ac

cpa type

amm selected effectivity