Abbreviations of Aviation

AC...................Alternating Current
ACC................Active Clearance Control
ACOC.............Air-Cooled Oil Cooler
ADC................Air Data Computer
AFDX..............Avionics Full Duplex Switched Ethernet
AIMS...............Aircraft Information Management System
ALF.................Aft Looking Forward
ARINC............Aeronautical Radio Inc.
ASC.................Aircraft System Computer
ASTM..............American Society for Testing and Materials
ATA.................Air Transport Association of America
A/THR.............Auto thrust
AVM................Airborne Vibration Monitoring
CBP................Customer Bleed Pressure
CCS................Common Core System
CDP................Compressor Discharge Pressure
CIT..................Compressor Inlet Temperature
CONT.............Continuous
COTS..............Commercial Off The Shelf
CS...................Certification Standard
DAC................Dual Annular Combustor
DC...................Direct Current
DEU.................Display Electronic Unit
DMC................Display Management Computer
EASA...............European Aviation Safety Agency
ECAM..............Electronic Centralized Aircraft Monitor
ECM.................Engine Condition Monitoring
ECU..................Electronic Control Unit
EEC..................Electronic Engine Control
EFIS.................Elecronic Flight Instrument System
EHSV...............Electrohydraulic Servo Valve
EIA...................Electronic Industries Alliance
EICAS..............Electronic Indication and Crew Alerting System
EIU...................Engine Interface Unit
EIVMU.............Engine Interface and Vibration Monitoring Unit
EPR..................Engine Pressure Ratio
EUROCAE.......European Organisation for Civil Aviation Equipment
E/WD................Engine/Warning Display
FADEC.............Full Authority Digital Engine Control
FCU..................Fuel Control Unit
FDRV...............Fuel Diverter and Return Valve
FF.....................Fuel Flow
FIFO.................First In First Out
FLA..................Forward Looking Aft
FMC.................Flight Management Computer
FMU.................Fuel Metering Unit
FMV.................Fuel Metering Valves
FOB..................Fuel On Board
FRT...................Flat Rate Temperature
ft........................Feet
FWC.................Flight Warning Computer
FWD.................Forward
GRD..................Ground
HMU.................Hydromechanical Unit
HPC..................High Pressure Compressor
HPT...................High Pressure Turbine
IDG...................Integrated Drive Generator
IEEE..................Institute of Electrical and Electronics Engineers
IGN...................Ignition
IMA...................Integrated Modular Avionics
IPC....................Intermediate Pressure Compressor
IPT.....................Intermediate Pressure Turbine
ISA.....................International Standard Atmosphere
LLP....................Life Limited Part
LPC...................Low Pressure Compressor
LPT....................Low Pressure Turbine
LRM...................Line Replaceable Modules
LRU...................Line Replaceable Unit
LVDT................Linear Variable Differential Transformer
MCDU..............Multipurpose Control and Display Unit
MEC..................Main Engine Control
MEMS...............Micro electro mechanical Systems
Mn.....................Mach Number
N1, N2, N3.......Engine Rotor Speeds
OAT..................Outside Air Temperature
ODM.................Oil Debris Monitor
PMC..................Power Management Control
PPBU................Power Plant Build-Up
QEC..................Qick Engine Change
REV...................Reverse
RTD...................Resistive Thermal Device
RTDCA.............Radio Technical Commission for Aeronautics
RTOS................Real Time Operating Systems
RVDT................Rotary Variable Differential Transformer
SAL...................System Address Label
SDAC................System Data Aquisition Computer
SOAP................Spectrographic Oil Analysis Program
TAPS.................Twin Annular Premixing Swirler
TAT...................Total Air Temperature
TBV...................Transient Bleed Valve
TIA....................Telecommunication Industry Association
TLA...................Thrust Lever Angle
TOGA................Take-Off/Go Around
TRA...................Thrust Lever Resolver Angle
TSFC.................Thrust Specific Fuel Consumption
UART.................Universal Asynchronous Receiver-Transmitter
VBV...................Variable Bleed Valve
VSV...................Variable Stator Vane