Aviation Abbreviations
Aviation Abbreviations
AA – Acceleration Altitude
A/A – Air to Air
AA – Anti Aircraft
AA – American Airlines
AAIB – Air Accident Investigation Branch
AAL – Above Aerodrome Level
ALPHA – Angle of Attack
AB – Auto Brake
ABP – Able Bodied Passengers
AC – Alternating Current
A/C – Aircraft
ACARS – Aircraft Communication Addressing and Reporting System
ACN – Aircraft Classification Number
ACP – Auto Control Panel
AD – Airworthiness Directive
ADC – Air Data Computer
ADF – Automatic Direction Finder
ADI – Attitude Director Indicator
ADU – Air Data Unit
AFE – Above Field Elevation
AGL – Above Ground Level
AH – Artificial Horizon
AI – Altitude Indication
AIP – Aeronautical Information Publication
ALS – Approach Lighting System
ALT – Altitude
AMSL – Above Mean Sea Level
AoA – Angle of Attack
AOC – Air Operators Certificate
AOG – Aircraft on Ground
AOM – Airport Operating Minima
AP – Auto Pilot
AP – Aeroplane
APP – Approach
APT – Airport
APU – Auxiliary Power Unit
ANC – Aviate Navigate Communicate
ANP – Actual Navigation Performance
AR – Aspect Ratio
ARP – Aerodrome Reference Point
ASDA – Accelerate Stop Distance Available
ASI – Airspeed Indicator
ASL – Above Sea Level
ASR – Airport Surveillance Radar
ASR – Air Safety Report
AT – Auto Throttle
ATA – Air Transport Association
ATC – Air Traffic Control
ATC – Air Training Corps
ATIS – Automatic Terminal Information Service
ATM – Air Traffic Management
ATP – Airline Transport Pilot
ATS – Air Traffic Service
ATPL – Air Transport Pilots Licence
ATZ – Air Traffic Zone
BA – Braking Action
BA – British Airways
BAA – British Airport Authority
BAA – Baltic Aviation Academy
BACF – British Airways Cityflyer
BALPA – British Airline Pilots Association
BT – Backtrack
BCS – Back Course (ILS)
BPR – By-Pass Ratio
BRK – Brookfield
BST – British Summer Time
CA – Critical Area (ILS)
CAA – Civil Aviation Authority
CAE – A flight training organisation (OAA)
CAS – Calibrated Air Speed
CAT – Category (ILS)
CAT – Clear Air Turbulence
CAVOK – Ceiling and Visibility OK
CB – Circuit Breaker
CB – Cumulonimbus
CBT – Computer Based Training
CC – Cabin Crew
CC – Crew Control
CC – Company Council (BALPA Related)
CDA – Continuous Descent Approach
CDFA – Continuous Descent Final Approach
CDI – Course Deviation Indicator
CDU – Control Display Unit
CFI – Chief Flying Instructor
CFIT – Controlled Flight into Terrain
CGI – Chief Ground Instructor
CL – Center Line
CLB – Climb
CMD – Command
CMV – Converted Meteorological Visibility
COBT – Calculated Off Block Time
CoG – Centre of Gravity
CON – Contingency Fuel
CON – Max Continuos Thrust
CP – Chief Pilot / Cadet Program / Cadet Pilot
CP – Critical Point
CPL – Commercial Pilots Licence
CPT – Captain
CRM – Crew Resource Management
CRMI – Crew Resource Management Instructor
CRZ – Cruise
CSM – Cabin Service Manager
CSS – Cabin Service Supervisor
CTC – British Integrated Flight Training Organisation
CTC – Chief Training Captain
CTOT – Calculated Take Off Time
CTR – Control Zone
CTZ – Control Zone
CVR – Cockpit Voice Recorder
CWS – Control Wheel Steering
CX – Checks
DA – Decision Altitude
DALR – Dry Adiabatic Lapse Rate
DC – Direct Current
DEC – Direct Entry Captain
DER – Departure End (of the) Runway
DG – Dangerous Goods
DH – Decision Height
DI – Direction Indicator
DIV – Diversion
DLR – Aptitude Testing Used by Lufthansa
DME – Distance Measuring Equipment
DNF – Did Not Fly
DODAR – Diagnose/Options/Decide/Assign/Review
DOC – Designated Operating Coverage
DOW – Dry Operating Weight
EASA – European Aviation Safety Agency
EAT – Estimated Approach Time
EET – Estimated Elapsed Time
EFB – Electronic Flight Bag
EFIS – Electronic Flight Information System
EGT – Exhaust Gas Temperature
EGPWS – Enhanced Ground Proximity Warning System
EHSI – Electronic Horizontal Situation Indicator
ELT – Emergency Locator Transmitter
EMB – Embraer
EMR – Emergency
EPR – Engine Pressure Ratio
ET – Elapsed Time
ETA – Estimated Time of Arrival
ETOPS – Extended-range Twin-engine Operational Performance Standards
ETOW – Estimated Take Off Weight
ETP – Emergency Turn Procedure
EZFW – Estimated Zero Fuel Weight
EZY – easyJet (ICAO Code)
FA – Flight Attendant
FATPL – Frozen Air Transport Pilots Licence
FAA – Federal Aviation Administration
FADEC – Full Authority Digital Engine Control
FAF – Final Approach Fix
FAP – Final Approach Point
FAR – Fedral Aviation Regulation
FAT – Final Approach Track
FBT – Fixed Based Trainer
FBW – Fly By Wire
FCL – Flight Crew Licensing
FCOM – Flight Crew Operations Manual
FCTM – Flight Crew Training Manual
FD – Flight Director
FDR – Flight Data Recorder
FE – Flight Engineer
FFS – Full Flight Simulator
FI – Flight Instructor
FIR – Flight Information Region
FIS – Flight Information Service
FMC – Flight Management Computer
FMS – Flight Management System
FNPT – Flight & Navigation Procedures Trainer
FO – First Officer
FOM – Fuel of Merit
FOD – Foreign Object Damage
FPA – Flight Path Angle
FPL – Filed Flight Plan
FPM – Feet Per Minute
FPP – Future Flyer Programme
FPT – Flat Panel Trainer
FR – Ryanair (IATA Code)
FREQ – Frequency
FT – Flight Training
FTE – Flight Training Europe, Jerez
FTO – Flight Training Organisation
G – G-force
GA – General Aviation
G/A – Go Around
GAPAN – The Guild of Air Pilots & Air Navigators
GC – Great Circle
GE – General Electric
GENDEC – General Decleration
GH – General Handling
GI – Ground Instructor
GND – Ground
GNSS – Global Navigation Satellite System
GP – Glide Path
GP – Guidance Panel
GPA – Glide Path Angle
GPS – Global Positioning System
GPWS – Ground Proximity Warning System
GS – Ground School
GS – Ground Speed
GS – Glide Slope
HDG – Heading
HEA – High Energy Approach
HF – Human Factors
HF – High Frequency
HIALS – High Intensity Approach Lighting System
HIL – Hold Item List
HoT – Head of Training
HOT – Hold Over Time (Anti-icing)
HPA – Hectopascal
HP – Horse Power
HP – High Pressure
HPT – High Pressure Turbine
HSI – Horizontal Situation Indicator
HST – Hypersonic Transport
HUD – Head Up Display
HWC – Head Wing Component
HYD – Hydraulics
IAA – Irish Aviation Authority
IAC – Instrument Approach Chart
IAP – Instrument Approach Procedure
IAF – Initial Approach Fix
IALPA – Irish Airline Pilots Association
IAP – Instrument Approach Procedure
IAS – Indicated Air Speed
IATA – International Air Transport Association
ICAO – International Civil Aviation Organisation
IDG – Integrated Drive Generator
IFR – Instrument Flight Rules
ILS – Instrument Landing System
IMC – Instrument Meteorological Conditions
INOP – Inoperative
INS – Inertial Navigation System
IR – Instrument Rating
IRS – Inertial Reference System
IRST – Instrument Rating Skills Test
IRU – Inertial Reference Unit
ISA – International Standard Atmosphere
ITCZ – Intertropical Convergence Zone
JAA – Joint Aviation Authorities
JAR – Joint Aviation Requirements
JFO – Junior First Officer
JOC – Jet Orientation Course
JS – Jump Seat
kHz – Kilohertz
KIAS – Knots Indicated Airspeed
KM – Kilometres
KPH – Kilometres per hour
KTS – Knots
LCC – Low Cost Carrier/s
LCK – Line Check
LCTR – Locator
LD – Landing Distance
LDA – Landing Distance Available
LDA – Low Drag Approach
LDR – Landing Distance Required
LG – Landing Gear
LHO – Live Human Organs
LHR – London Heathrow
LLZ – Localiser
LOC – Localiser
LOE – Line Orientated Exercise
LOFT – Line Oriented Flight Training
LORAN – Long Range Navigation
LNAV – Lateral Navigation
LP – Low Pressure
LPC – Line Proficiency Check
LRU – Line Replaceable Unit
LSK – Line Select Key
LSS – Local Speed of Sound
LST – Line Skills Test
LT – Line Training
LT – Local Time
LTC – Line Training Captain
LTP – Landing Threshold Point
LVL – Level
LVP – Low Visibility Procedures
LW – Landing Weight
MAA – Military Aviation Authority
MAA – Missed Approach Altitude
MAC – Mean Aerodyanamic Chord
MACG – Missed Approach Climb Gradient
MAP – Missed Approach Point
MATZ – Military Air Traffic Zone
MCC – Multi Crew Cooperation Course
MCP – Mode Control Panel
MCRIT – Critical Mach Number
MCT – Maximum Continuous Thrust
MDA – Minimum Decent Altitude
MDH – Minimum Decent Height
ME – Multi Engine
MEA – Minimum Enroute Altitude
MEL – Minimum Equipment List
MMEL – Master Minimum Equipment List
MEP – Multi Engine Piston
MET – Meteorological
METAR – Meteorological Aerodrome Report
MFRA – Minimum Flap Retraction Altitude
MLM – Maximum Landing Mass
MLS – Microwave Landing System
MLW – Maximum Landing Weight
MM – Middle Marker
MMO – Maximum Mach Number
MOC – Minimum Obstacle Clearance
MOR – Mandatory Occurance Report
MORA – Minimum En-route Altitude
MPA – Multi Pilot Aircraft
MPL – Multi-Crew Pilots Licence
MPS – Meters Per Second
MRW – Maximum Ramp Weight
MSA – Minimum Sector/Safe Altitude
MSL – Mean Sea Level
MTOW – Maximum Take Off Weight
MZFW – Maximum Zero Fuel Weight
N1 – Low Pressure Compressor Speed
N2 – High Pressure Compressor Speed
NADP – Noise Abatement Departure Procedure (1 or 2)
NATS – National Air Traffic Service
NAV – Navigation
ND – Navigation Display
NDB – Non Directional Beacon
NG – Next Generation
Nigel – A British Airways Pilot (Slang)
NM – Nautical Mile
No1 – Number One (Senior Cabin Crew Member)
NOTAM – Notice to Airmen
NOTECH – Non Technical Skills
NPA – Non Precision Approach
NPPL – National Private Pilots Licence
NSC – No Significant Cloud
NTS – Non Technical Skills
NTSB – National Transportation Safety Board
NWS – Nose Wheel Steering
OAA – Oxford Aviation Academy (UK Integrated School)
OAT – Outside Air Temperature
OB – Off/On Blocks
OBS – Omni Bearing Selector
OC – Operations Control
OCA – Obstacle Clearance Altitude
OCC – Operators Conversion Course
OCH – Obstacle Clearance Height
OEA – One Engine Approach
OEI – One Engine Inoperative
OEM – Original Equipment Manufacturer
OFP – Operational Flight Plan
OM – Operations Manual
OM – Outer Marker
OPC – Operator Proficiency Check
OTP – On Time Performance
OTS – Out of Service
QTY – Quantity
OW – Operational Weight
OXY – Oxygen
O2 – Oxygen
PA – Public/Passenger Announcement
Packs – Air Conditioning Units
PANS-OPS – Procedures for Air Navigation Services
PAPI – Precision Approach Path Indicator
PAR – Precision Approach Radar
PAX – Passenger/s
PCN – Pavement Classification Number
PET – Point Of Equal Time
PF – Pilot Flying
PFD – Primary Flight Display
PFL – Practice Forced Landing
PIC – Pilot in Command
PICUS – Pilot in Command Under Supervision
PIO – Pilot Induced Oscillations
PIREP – Pilot Report
PoB – Passengers on Board
PoF – Principles of Flight
POH – Pilot’s Operating Handbook
PM – Pilot Monitoring
PNF – Pilot Not Flying
PNR – Point of No Return
PPL – Private Pilots Licence
PPR – Prior Permission Required
PRNAV – Precision Area Navigation
PSI – Pressure per square inch
PSR – Point of safe return
PSR – Purser (No 1 Cabin Crew)
PT – Progress Test
PTT – Push to Talk
PUT – Pilot Under Training
QDM – Magnetic heading to a station
QDR – Magnetic Bearing from a station
QFE – Field Elevation (Pressure Setting)
QNH – Regional Pressure Setting
QRA – Quick Reaction Alert
QRH – Quick Reference Handbook
RA – Radio Altimeter
RA – Radio Altitude
RA – Resolution Advisory
RADAR – Radio Detection and Ranging
RAF – Royal Air Force
RAS – Rectified Airspeed
RAT – Ram Air Turbine
REL – Runway Edge Lights
RESA – Runway End Safety Area
RET – Rapid Exit Taxiway
RMI – Radio Magnetic Indicator
RN – Royal Navy
RNAV – Area Navigation
RNP – Required Navigation Performance
RPL – Repetitive Flight Plan
RT – Radio Telephony
RTO – Rejected Take Off
RTS – Return to Stand
RYR – Ryanair (ICAO Code)
RVR – Runway Visual Range
RVSM – Reduced Vertical Separation Minima
RW – Runway
RWY – Runway
SADLR – Saturated Adiabatic Lapse Rate
SAR – Search and Rescue
SAT – Saturated Air Temperature
SCCM – Senior Cabin Crew Member
SE – Single Engine
SELCAL – Selective Calling
SEP – Single Engine Piston
SEP – Safety and Emergency Procedures
SFI – Synthetic Flight Instructor
SFO – Senior First Officer
SHF – Super High Frequency
SIC – Second In Command
SID – Standard Instrument Departure
SIGMET – Significant meteorological advisory
SLF – Self Loading Freight (Passengers)
SLP – Speed Limit Point
SM – Statute Mile
SMR – Surface Movement Radar
S/O – Second Officer
SOP’s – Standard Operating Procedures
SOS – Save our Souls (Distress call)
SPIC – Student Pilot In Command
SR – Sunrise
SRA – Surveillance Radar Approach
SS – Sunset
SSR – Secondary Surveillance Radar
SST – Supersonic Transport
STA – Scheduled Time of Arrival
STAR – Standard Terminal Arrival Route
STD – Scheduled Time of Departure
STD – Standard (Pressure Setting 1013mb)
TA – Transition Altitude
TA – Traffic Advisory
TAA – Terminal Arrival Area
TACAN – Tactical Air Navigation
TAF – Terminal Area Forecast
TAF – Aerodrome Forecast
TAS – True Airspeed
TAT – Total Air Temperature
TCA – Terminal Control Area
TCAS – Traffic Collision Avoidance System
TCH – Threshold Crossing Height
TDZ – Touch Down Zone
TECH – Technical
TEM – Threat and Error Management
TERPS – Terminal Procedures
TFC – Traffic
THOB – Total Heads On Board
THLD – Threshold
THLD – Thrust Hold
THR – Threshold
TKI – Theoretical Knowledge Instructor
TL – Transition Level
TLA – Thrust Lever Angle
TMA – Terminal Manoeuvring Area
T/O – Take Off
TO/GA – Take Off Go Around
TOC – Take Off Configuration
TOC – Top Of Climb
TOD – Top Of Descent
TODA – Take Off Distance Available
TORA – Take Off Run Available
TOW – Take Off Weight
TP – Turbo Prop
TR – Type Rating
TRE – Type Rating Examiner
TRI – Type Rating Instructor
TRTO – Type Rating Training Organisation
TRU – Transformer Rectifier Unit
TS – Thunderstorm
TT – Total Time
TTL – Total
TWC – Tail Wind Component
TWR – Tower
TWY – Taxiway
UA – Unusual Attitude
UAS – University Air Squadron
UAV – Unmanned Air Vehicles
UFO – Unidentified Flying Object
UHF – Ultra High Frequency
UIR – Upper Flight Information Region
U/S – Unserviceable
USAF – United States Air Force
UTC – Universal Co-ordinated Time (Zulu)
VA – Virgin Atlantic
VAAC – Volcanic Ash Advisory Center
VAC – Volcanic Approach Chart
VASI – Vertical Approach Slope Indicator
VFE – Maximum Flap Extension Speed
VFR – Visual Flight Rules
VHF – Very High Frequency
VIP – Very Important Person
VIMD – Maximum Drag Speed
VLE – Maximum Landing Gear Extended Speed
VMC – Visual Meteorological Conditions
VMCA – Minimum Control Speed Airborne
VMCG – Minimum Control Speed Ground
VMO – Maximum Indicated Airspeed
VNAV – Vertical Navigation
VNE – Never Exceed Speed
VNO – Normal Operating Speed
VOLMET – Meterlogical Information In Flight
VOR – VHF Omni Directional Radio Range
VR – Rotate
VRB – Variable
VS – Vertical Speed
VSI – Vertical Speed Indicator
VTOL – Vertical Take Off and Landing
VIP – Very Important Person
VV – Vertical Visability
VVIP – Very Very Important Person
VX – Best Angle of Climb Speed
VY – Best Rate of Climb Speed
WILCO – Will Comply
WIP – Work In Progress
WOCL – Window of Circadian Low
WPT – Way Point
WX – Weather
XPDR – Transponder
XWC – Cross Wind Component
Z – Zulu Time (Same as UTC and GMT)
ZFT – Zero Flight Time
ZFW – Zero Fuel Weight