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Home / Governmental & Military / Aircraft

Governmental & Military >> Aircraft Abbreviations

Look through 444 acronyms and abbreviations related to Aircraft:

HHLD — heading hold
XMIT — Transmit
MLS — Microwave Landing System
XCVR — Transceiver
SAR — Search And Rescue
ADC — Air Data Computer
FD — Flight Director
MSG — Message
LCD — Liquid Crystal Display
LED — Light-Emitting Diode
RVR — Runway Visual Range
ACMS — Aircraft Condition Monitoring System
ADM — Air Data Module
APU — Auxiliary Power Unit
CNS/ATM — Communication Navigation Surveillance/Air Traffic Management
ALC — Automatic Level Control
DME — Distance Measuring Equipment
AFCS — Automatic Flight Control System
RF — Radio Frequency
APM — Aircraft Personality Module
ASR — Airport Surveillance Radar
UAV — Unmanned Aerial Vehicle
FAA — Federal Aviation Administration
B RNAV — Basic area navigation
CVR — Cockpit Voice Recorder
ULB — Underwater Locator Beacon
MSA — Minimum Safe Altitude
ANT — Antenna
WX — Weather
PAR — Precision Approach Radar
SID — Standard Instrument Departure
DH — Decision Height
MTBF — Mean Time Before Failure
RNP — Required Navigation Performance
USB — Universal Serial Bus
ATCRBS — Air Traffic Control Radar Beacon System
FCS — Flight Control System (Subsystem)
GS — Ground Speed
ALT — Altitude
ATC — Air traffic control
AIXM — Aeronautical Information Exchange Model
MF — Medium Frequency
ECU — Engine Control Unit
NAS — National Airspace System
AGC — Automatic Gain Control
FF — Fuel Flow
ASD — Aircraft Situation Display
ND — Navigation Display
RFI — Radio Frequency Interference
VHF — Very High Frequency

PFD — Primary Flight Display
NVD — Night Vision Device
FANS — Future Air Navigation System
NM — Nautical Mile
ADF — Automatic Direction Finder
NOTAM — Notice to Airmen
GCU — Generator Control Unit
HF — High Frequency
TCA — Terminal Control Area
R-NAV — Area navigation
DA — Decision Altitude
GND — Ground
RALT — Radar Altimeter
EADI — Electronic Attitude Director Indicator
CRT — Cathode Ray Tube (type of TV)
SUA — Special-Use Airspace
BITE — Built-In Test Equipment
MM — Middle Marker
EPR — Engine Pressure Ratio
TBO — Time Between Overhaul
V/REF — Reference velocity
ACP — Audio Control Panel
AIDS — Aircraft Integrated Data System
CDI — Course Deviation Indicator
MIC — Microphone
V/TRK — Vertical Track
V/NAV — Vertical navigation
ADIRS — Air Data Inertial Reference System
TAS — True Airspeed
ADIRU — Air Data Inertial Reference Unit
RNG — Range
MAP — Manifold Absolute Pressure
RPM — Revolutions Per Minute, (Rotations Per Minute)
MFD — Multi-Function Display
RTE — Route
SD — Secure Digital
MEL — Minimum Equipment List
OWE/OEW — Operating Weight Empty/Operating Empty Weight
ANR — Active Noise Reduction
RLY — Relay
HZ — cycles per second (hertz)
ANN — Annunciator
MCDU — Multi-purpose/Multi-function Control and Display Unit
SNR — Signal-to-Noise Ratio
ACARS — Aircraft Communications Addressing and Reporting System
XFR — Transfer
DAR — Designated Airworthiness Representative
CDTI — Cockpit display of traffic information
ACC — Area Control Centre
GBAS — Ground Based Augmentation System

WPT — Waypoint
HDOP — Horizontal Dilution of Precision
TCAS — Traffic Collision Avoidance System
POS — Position
MTTF — Mean Time To Failure
STC — Supplemental Type Certificate
ADS — Air Data System
QAR — Quick Access Recorder
ARINC — Aeronautical Radio Incorporated
IMC — Instrument Meteorological Conditions
STAR — Standard Terminal Arrival Route
ADI — Attitude director indicator
CNS — Communication Navigation Surveillance
IRS — Inertial Reference System
SAT — Static Air Temperature
YD — Yaw Damper
SRS — Speed Reference System
DR — Data Recorder
TIS — Traffic Information Service
VGA — Video Graphics Array
A/P — Autopilot
PAPI — Precision Approach Path Indicator (aviation)
NORDO — No-Radio
ENG — Engine
RPM — Resale Price Maintenance. The UK Net Book Agreement, as was. Means by which retail prices are controlled by primary suppliers. (Alternatively, Revolutions Per Minute, as in engine speed and 78, 33 and 45 records. In years to come how many people will know
NMI — Nautical Mile
NFF — No Fault Found
GMT — Greenwich Mean Time (Zulu)
INS — Inertial Navigation System
ELT — Emergency Locator Transmitter
FCC — Flight Control Computer
TDOP — Time Dilution of Precision
G/S — Glide Slope
GHZ — Gigahertz
VSI — Vertical Speed Indicator
GDOP — Geometric Dilution Of Precision
TAF — Terminal Area Forecast
ISA — International Standard Atmosphere
MILSPEC — Military Specification
DGPS — Differential Global Positioning System
LPV — Localizer Performance with Vertical Guidance
RA — Resolution Advisory
SQL — Squelch
ROC — Rate of Climb
CIP — Common Integrated Processor
DA — Drift Angle
MCBF — Mean cycles between failures
ALT HOLD — Altitude Hold Mode
HDG — Heading
CDA — Continuous Descent Approach

STP — standard temperature and pressure (0° and 1 atm)
PSU — Passenger Service Unit
FMGS — Flight Management and Guidance System
POF — Phase of Flight
SELCAL — Selective Calling System
CODEC — Coder/decoder
VPATH — Vertical Path
DCDU — Data link control and display unit
ADS — automatic dependent surveillance
VMC — visual meteorological conditions
HUD — Head-Up Display
TCF — Terrain Clearance Floor
MTBUR — Mean time between unscheduled removals
TGT — Turbine Gas Temperature
FADEC — Full Authority Digital Engine Control
MB — Marker Beacon
IVSI — Instantaneous Vertical Speed Indicator
EGPWS — Enhanced Ground-Proximity Warning System
OAT — Outside Air Temperature
ABAS — Aircraft-based Augmentation System
RDR — Radar
FREQ — Frequency
LAAS — Local Area Augmentation System
XMSN — Transmission
SAR — Smart ACMS Recorder
AFDS — Autopilot Flight Director System
PDOP — Position Dilution of Precision
ACAS — Airborne Collision Avoidance System
PMG — Permanent Magnet Generator
TWDL — Two-Way Data Link
SATNAV — Satellite Navigation
OEW — Operating Empty Weight
HSI — Horizontal Situation Indicator
TLA — Thrust Lever Angle
RMI — Radio Magnetic Indicator
ATCT — Airport Traffic Control Tower
LRU — Line-Replaceable Unit
DG — Directional Gyroscope
ID — IDentifier
TWIP — Terminal Weather Information for Pilots
TAWS — Terrain Awareness Warning System
VASI — Visual Approach Slope Indicator
EHSI — Electronic Horizontal Situation Indicator
NAVSTAR-GPS — NAVigation Satellite Timing And Ranging (The formal name for the space-borne or satellite navigation system)
PAL — Pilot Activated Lighting
GLU — GPS Landing Unit
FAT — Free Air Temperature
CPS — Cycles Per Second (now Hertz)
UTC — Universal Time Coordinate
AMS — Air Management System

PD — Profile Descent
SSR — secondary surveillance radar (ICAO/FAA)
NPA — Non-Precision Approach
CFIT — Controlled Flight into Terrain
WMSCR — Weather Message Switching Center Replacement
SSFDR — Solid-State Flight Data Recorder
AFDC — Autopilot Flight Director Computer
ROD — Rate Of Descent
P-RNAV — Precision Area Navigation
COM — Communications Society
TAT — Total Air Temperature
SPKR — Speaker
SATCOM — Satellite Communication
ADS-B — Automatic Dependent Surveillance-Broadcast
EGT — Exhaust Gas Temperature
JTIDS — Joint Tactical Information Distribution System (djay-tidz)
T/R — Transmitter/Receiver
VNO — Maximum structural cruising speed
HDG SEL — Heading Select
ACS — Audio Control System
TRACON — Terminal Radar Approach Control
VFO — Variable Frequency Oscillators
UHF — Ultrahigh Frequency
SASP — Single Advanced Signal Processor
XMTR — Transmitter
ANT — Antenna Noise Temperature
T/R — Transceiver
FF — Free Flight
ASU — Avionics Switching Unit
TVE — Total Vertical Error
CV/DFDR — Cockpit voice and digital flight data recorder
TX — Transmit
ATSU — Air Traffic Services Unit
HUMS — Health and usage monitoring systems
LORAN — Long-Range Navigation
GPWS — Ground Proximity Warning System
TERPS — terminal en route procedures
FG — Flight Guidance
ADS-A — Automatic Dependent Surveillance-Address
AMLCD — Active-matrix liquid crystal display
ENR — Electronic Noise Reduction
FAF — Final Approach Fixes
FMA — Flight Mode Annunciator
MOA — Military operations area
NAVAID — Navigational Aid
RCR — Reverse Current Relay
VSWR — Voltage Standing-Wave Ratio
LOM — Locator Outer Marker
DVE — Degraded Visual Environment
WAAS — Wide Area Augmentation System

TKE — TrackAngle Error
RX — Receiver
TOGA — Takeoff/Go-Around
FBW — Fly-by-Wireless
WINDR — Wind Direction
ADAHRS — Air Data And Attitude Heading Reference System
TACH — Tachometer
CTAF — Common Traffic Advisory Frequency
CAI — caution annunciator indicator
VY — Speed for best rate of climb
PND — Primary Navigation Display (aviation)
OWE — Operating Weight Empty
DUAT — Direct User Access Terminal
LADGPS — Local area differential GPS
CPDLC — Controller–pilot data link communications
OCC — Operations control center
RAIM — Remote Autonomous Integrity Monitoring
AVIONICS — Aviation Electronics
KTAS — Knots True Airspeed
WYPT — Waypoint
IND — Indicator
FMS — Flight management system
TOT — Turbine Outlet Temperature
CAT I — Operational performance Category 1
LPR — Low Pressure Rotor
EFIS — Electronic Flight Instrument System
ARIA — Apollo Range Instrumentation Aircraft
CWS — Control Wheel Steering
ITT — Interstage Turbine Temperature
V/S — Vertical speed
FIS-B — Flight Information Services - Broadcast
MRCA — Multi-Role Combat Aircraft
AT — Auto Throttle
QRH — Quick Reference Handbook
OM — Outer Marker (ILS)
TR — Transmitter/Receiver
THDG — True Heading
EEC — Electronic Engine Control
MOSART — Modular Open System Architecture
BDI — Bearing Distance Indicator
FLIR — forward-looking infra-red
MIDS — Multifunctional Information Distribution System
RAT — Reliability Assessment Testtmtram Air Turbine
TERPS — Terminal Instrument Procedures
TBO — Time Before Overhaul
TWDL — Terminal Weather Data Link
RDR — Radar Departure Route
VX — Speed for best angle of climb
DP — Departure procedures
AOC — Aeronautical Operational Control

AOP — Airport Operating Plan
TA — Traffic Advisory
REL — Relative
LDGPS — local area differential global positioning satellite
WMSC — Weather Message Switching Center
AFIS — Automatic Flight Information Service
DNC — Direct noise canceling
TRANS — Transmit
VSO — stall speed in landing configuration
IDENT — Identifier
GCAS — Ground Collision Avoidance System
EFD — Electronic Flight Display
CAT IIIA — Operational performance Category IIIa
AFD — Autopilot Flight Director
FDRS — Flight Data Recorder System
LMM — Locator middle marker
RCVR — Receiver
ENC — Electronic Noise Canceling
XPDR — Transponder
CAT II — Operational performance Category II
DFMC — Dual Frequency Multiple Constellation
IAS — Indicated AirSpeed
XTK — Crosstrack
AFIS — Airborne Flight Information System
LMC — Lockheed Martin Corporation
TCN — Tacan
NDB — Non-directional radio beacon
PSR — Primary Surveillance Radar
ADS — Airworthiness Directives Subsystem
MDA — Minimum Decent Altitude
TCA — Throttle Control Assembly
RHSM — Reduced horizontal separation minimal
FDU — Flux Detector Unit
REIL — Runway end identifier lights
INHG — Inch of Mercury
GPWC — Ground Proximity Warning Computer
TR — Transceiver
RAI — Radio Altimeter Indicator
SMS — Short Messaging Service
AHC — Attitude Heading Control
AGDL — Air-Ground Data Link
EEC — Engine Control Unit
BCRS — Back course
SQ — Squelch
WMS — Wide-Area Master Station
VOR/MB — VOR marker beacon
BGAN — Broadcast Global Area Network
AHRS — Attitude and Heading Reference Systems
BARO — Barometric
MAPS — Minimum Aviation Performance Standards

STARS — Standard Terminal Automation Replacement System
V/L — VOR/Localizer
LX — Lightning
SIU — Satellite Interface Unit
V/R — Voltage regulator
SSCVR — Solid-State Cockpit Voice Recorder
TAD — Terrain Awareness Display
CAT IIIB — Operational performance Category IIIb
QNH — Barometric Pressure Adjusted To Sea Level
REL — Relative Exposure Limit
VNR — Vhf Navigation Receiver
FWS — Flight Warning System
MKR — Marker
MSP — Modes S-Specific Protocol
SDF — Simplified Directional Facility
WMI — WXR indicator mount
FDPS — Flight plan Data Processing System
AGACS — Automatic Ground-Air Communications System
RLG — Ring Laser Gyroscope
VOX — Voice transmission
GGS — Global positioning system ground station
VPA — Vertical Path Approach
P-CODE — GPS precision code
IAPS — Integrated Avionics Processing System
V — voltage
SSCV/DR — Solid-state cockpit voice/data recorder
ASDL — Aeronautical Satellite Data Link
NCATT — National Center for Aircraft Technician Training
RVSM — Reduced Vertical Separation Minimum
MFDS — Multi-Function Display System
TWR — Terminal weather radar
VORTAC — VOR and TACAN combination
HSL — heading select
VG — Vertical Gyroscope
IDS — Integrated Display System
MMD — moving map display
EHS — Enhanced Surveillance
VG/DG — Vertical gyroscope/directional gyroscope
TDR — Transponder
EICAS — Engine indication crew alerting system
APS — Auto-Pilot System
WRT — WXR receiver transmitter
ISP — Integrated Switching Panel
ETOP — Extended-Range Twin-Engine Operation
TAT — True Air Temperature
CAT IIIC — Operational performance Category IIIc
RALT — Radio Altimeter
ARIA — Apollo Range Instituteumentation Aircraft
TTS — Time To Station
TGT — Turbine Gas Target

UART — Universal Asynchronous Receiver Transmitters
VDR — VHF Digital Radio
NAVCOMM — Navigation and communications equipment or receiver
DAPS — Downlink of aircraft parameters
GAST — GBAS Approach Service Type
RDR — Radar Data Recorder
PCL — Pilot Controlled Lighting
PNR — Passive Noise Reduction
RCVR — Receiver Sequence Number
GLNS — GPS Landing and Navigation System
VOR — VHF Omnidirectional Range And Ranging
ANC — Active Noise Cancellation
ALTS — altitude select
VSM — Vertical separation limit
VOR/DME — VOR With Distance Measuring Equipment
VNE — Never exceed speed
STCA — Short-Term Conflict Alert
GLS — GBAS Landing System
MNPS — [Minimmum navigation performance specifications]
TK — Track Angle
ATCSS — Air traffic control signalling system
FOB — Fuel On-Board
TCU — TACAN control unit
T/R — Thrust Reverser
TO/GA — Takeoff/Go-Around
PFD — Primary Flight Director
TWDR — Terminal Doppler Weather Radar
SSCV — Solid-State Cockpit Voice
GLNU — GPS landing and navigation unit
MKP — Multi-function Keypad
FLTA — Forward-Looking Terrain Avoidance
VDL — VHF data link
GO — Go Around
WMA — WXR waveguide adapter
HPR — High Pressure Rotor
HSD — high-speed data
PRA — Pre-Recorded Announcement
APC — Auto Pilot Computer
OBS — omnibearing selector
UAS — Unmanned Aircraft Systems
DLR — Data link recorder
ADMP — Automated Dry Material Placement
MSSS — Mode S-Specific Services
COM — Communications, Optics and Materials

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