Abbreviations Dimensions Panels Lighting Emergency Lighting Doors & Windows Oxygen System Passenger Cabin Signs Flight Deck Door CDSS Potable Water Lavatories EICAS Messages

Airplane General - Abbreviations

ACARS ARINC Communications Addressing and Reporting System
ACMP Alternating Current Motor Pump (Fuel :: Hydraulics)
ADF Automatic Directing Finder
ADIRS Air Data Inertial Reference System
ADIRU Air Data Inertial Reference Unit
AFCS Autoflight Control System
AFDS Autopilot/Flight Director System
AIDS Airborne Integrated Data System
AIL Aileron
ALT Altitude or Altimeter
AOA Angle of Attack
A/P Autopilot
APCS Autopilot Pitch Control Servo
APP Approach
APU Auxiliary Power Unit
ARINC Aeronautical Radio Inc.
ARR Arrival
ASA Autoland Status Annunciator
A/T Autothrottle
ATC Air Traffic Control
B/A Bank Angle
BAT Battery
B/CRS Back Course
BIT Built-In-Test
BITE Built-In-Test-Equipment
CAS Computed Airspeed
CDU Control Display Unit
CLB Climb (Thrust :: VNAV)
CMD Command
CON Continuous
CRS Course
CRZ Cruise
CSEU Control System Electronics Unit
CWS Control Wheel Steering
DADC Digital Air Data Computer
DEP Departure
DES Descent
DFDAU Digital Flight Data Acquisition Unit
DH Decision Height
DME Distance Measuring Equipment
D-TO Derated Takeoff
EADI Electronic Attitude Director Indicator
ECS Environmental Control System
EDHP Engine Driven Hydraulic Pump (aka: EDP)
E/E Electrical/Electronics
EFCU Elevator Feel and Centring Unit
EFIS Electronic Flight Instrument System
EGT Exhaust Gas Temperature
EHSI Electronic Horizontal Situation Indicator
EICAS Engine Indication and Crew Alerting System
EMHP Electric Motor Hydraulic Pump (aka: ACMP)
EPR Engine Pressure Ratio
FCC Flight Control Computer
F/D Flight Director
FLCH Flight Level Change
FMA Flight Mode Annunciator
FMC Flight Management Computer
FMCS Flight Management Computer System
FMS Flight Management System
FSAM Flap/Slat Accessory Module
FSEU Flap/Slat Electronics Unit
GA or G/A Go Around
G/S Glideslope
HDG Heading
HLD Hold (See: HDG HOLD)
HYD Hydraulic
IAS Indicated Airspeed
ILS Instrument Landing System
INTC Intercept
LNAV Lateral Navigation
LOC Localiser
LRU Line Replaceable Unit
LVDT Linear Variable Differential Transducer
M Mach
M/ASI Mach/Airspeed Indicator
MCDP Maintenance Control Display Panel
MCP Mode Control Panel
MMO Maximum Operating Mach
MMR Multi-Mode Receiver
PCA Power Control Actuator
PCU Power Control Unit
PDU Power Drive Unit
PRSOV Pressure Regulating Shut-Off Valve (See: Bleed Air Valve)
RA Radio Altitude or Radio Altimeter
RAT Ram Air Turbine
RCVR Receiver
RDMI Radio Distance Magnetic Indicator
REF Reference
RMI Radio Magnetic Indicator
RNAV Area Navigation
RTE Route
RVDT Rotary Variable Differential Transducer
SAT Static Air Temperature
SCM Spoiler Control Module
SG Symbol Generator
SID Standard Instrument Departure
SOV Shut-Off Valve
SPD Speed
SPM Stabiliser Position Module
STAB Stabiliser
STAR Standard Terminal Arrival Route
STCM Stabiliser Trim Control Module
TAS True Airspeed
TAT Total Air Temperature
TGT Target
TLA Throttle Lever Angle
TMC Thrust Management Computer
TMS Thrust Management System
TMSP Thrust Mode Select Panel
TO or T/O Takeoff
TOC Top of Climb
TOD Top of Decent
TRK Track
TRU Transformer/Rectifier Unit
VMO (Vmo) Maximum Operating Airspeed (Knots)
VNAV Vertical Navigation
VOR VHF Omni-directional Range
V/S Vertical Speed
WEU Warning Electronics Unit (See: Stall Warning)
XCVR Transceiver
XFMR Transformer
XMTR Transmitter
YDS Yaw Damper Servo
YSM Yaw Damper/Stabiliser Trim Module

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