Idea Transcript
List of aviation, aerospace and aeronautical abbreviations A glossary of abbreviations used in relation to aviation, in alphabetical order.
Contents A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z
A Abbreviation
Term
Note
AAE
above aerodrome elevation[1]
AAIB
Air Accidents Investigation Branch (United Kingdom)
AAO
assumed adverse obstacle
AAS
airport advisory service[1]
A/C
aircraft [1]
AC
advisory circular[2]
ACAM
aircraft continuous airworthiness monitoring
ACARS
Aircraft Communication and Addressing Reporting System
ACAS
airborne collision avoidance system
ACC
area control centre[1]
ACC
active clearance control
Turbine engine system
ACC
Accessory
In gas turbine engine
ACFT
aircraft
ACI
Airports Council International
ACM
air cycle machine
ACMS
aircraft condition monitoring system
ACU
air condition unit
ACU
alternator control unit [2]
AD
airworthiness directive
A/D
aerodrome
ADA
advisory area
ADAHRS
air data attitude heading reference system
ADC
air data computer
ADD
acceptable deferred defect
ADF
automatic direction finder
ADI
Attitude Director Indicator
ADIRU
air data inertial reference unit
ADIRS
Air Data Inertial Reference System
ADIZ
Air Defense Identification Zone
ADJ
Adjustment
ADS
automatic dependent surveillance
ADV
Arbeitsgemeinschaft Deutscher Verkehrsflughäfen German Airports Association
AEA
Association of European Airlines
AFCS
automatic flight control system
A/FD
Airport/Facility Directory
AFDS
autopilot flight director system
AFE
above field elevation
AFS
aeronautical fixed service
AFT
Aft The direction against the aircraft movement
AFTN
Aeronautical Fixed Telecommunication Network
AGB
accessory gear box
AGL
above ground level
AHRS
Attitude and heading reference system
AIP
Aeronautical Information Publication
AIRAC
Aeronautical information regulation and control
AIRMET
Airmen's Meteorological Advisory [3]
ALI
Airworthiness Limitation Item
ALS
approach lighting system
ALT
Altitude
ALT
Alternate
ALUM
Aluminum
AMC
Acceptable Means of Compliance (EASA)
AME
Aviation Medical Examiner
AMM
Aircraft Maintenance Manual
AMO
Approved Maintenance Organization
AMSL
above mean sea level
AMP
aircraft maintenance program
ANSP
air navigation service provider
ANPT
Aeronautical national pipe taper
ANSOG
Airport Network Security Operator Guidance (Boeing)
A/O
Air oil
AOA
angle of attack
AOC
air operator's certificate
AOG
aircraft on ground
AOM
aircraft operations manual / airport/aerodrome operating minima
AP
autopilot
A/P
airplane (US), aeroplane (ICAO)
APP
Appendix
APPL
Application
APPROX
Approximately
APT
airport
APU
auxiliary power unit
APV
approach procedure with vertical guidance
AR
airworthiness review
AR
authorization required
AR
As required
ARC
airworthiness review certificate
ARINC
Aeronautical Radio Inc.
ARO
airport reservation office
ARP
aerodrome reference point
ARTCC
air route traffic control centers
ASAS
Airborne Separation Assurance System
ASDA
Association for Scientific Development of Air Traffic Management in Europe[4]
ASI
airspeed indicator
ASL
above sea level[1]
ASLO
Aircraft Security Logging Overview
ASM
airspace management
ASSY
Assembly
A/T
autothrottle
A/THR
Autothrust
ATA
Air Transport Association
ATC
air traffic control
ATF
aerodrome traffic frequency
ATFM
air traffic flow management
ATIS
Automatic Terminal Information Service
ATM
air traffic management
ATN
Aeronautical Telecommunication Network
ATO
Approved Training Organisation
ATPL
Airline Transport Pilot Licence
ATQP
Alternative Training and Qualification Programme
ATS
air traffic service
AVAIL
available
AWBS
Aviation weather briefing service[3]
Available at designated FSS's
AWG
American Wire Gage
The larger the size number, the smaller the wire diameter.
AWIS
Aviation weather information service[3]
Available at FSS
AWOS
Automated weather observation system[3]
Automated METAR reporting system
AWWS
Aviation weather web site[5]
In Canada
Information and guidance publication
Part of A/C air conditioning system
Protection from alternator over-voltage.
Navigation equipment
Mechanical term
Mainly used in turbine engine
In-flight advisory given over 126.7
In turbine engines
B Abbreviation
Term
Note
BC
back course
BCAA
Belgian Civil Aviation Authority
BDC
bottom dead centre[1]
BHP
brake horsepower[1]
BITE
Built-In Test Equipment
BL
Butt Line
B/P
Blue Print
BPR
bypass ratio
BOM
bill of material
BTV
Brake-to-Vacate System
BWC
bird watch condition
BVID
Barely Visible Impact Damage
BVR
Beyond Visual Range
Piston engine
A new feature introduced by Airbus A380
C Abbreviation
Term
Note
C2
command and control
CAA
Civil Aviation Authority
CAME
Continuing Airworthiness Management Exposition
CAMO
Continuing Airworthiness Management Organisation
CAMP
Continuous Airworthiness Maintenance Program (FAA)
CANSO
Civil Air Navigation Services Organisation
CAP
cabin attendant panel
CAR
civil aviation regulation
CARs
civil aviation regulations [6][7]
CARS
Canadian Aviation Regulations
CAS
calibrated airspeed
CASS
Commercial Air Service Standards
CASS
continuing analysis and surveillance system
CAT
clear air turbulence[1]
CAW
continuing airworthiness (EASA)
CCRs
closed circuit mixed gas rebreathers
CCRs
constant current regulators
CDCCL
critical design configuration control limitation
CDI
course deviation indicator
CDL
configuration deviation list
CDU
control/display unit
CFIT
controlled flight into terrain
CFG
constant frequency generator
CFR
Code of Federal Regulations
CG
center of gravity
CH
Course Heading
CHDO
certificate-holding district office (FAA)
CI
cost index
CMM
component maintenance manual
CMO
Certificate Management Office (FAA)
CMV
converted meteorological visibility
CMPA
complex motor-powered aircraft
CofA
Certificate of airworthiness
CPDLC
controller–pilot data link communications
CPR
Changed product rule (EASA)
CRD
Comment-response document (EASA)
CRES
Corrosion resistant steel
CS
certification specification (EASA)
CSD
constant speed drive
CSO
cycles since overhaul
CSS
cabin services system
CSU
constant speed unit
CSCT
Configuration Item Signer Crater Tool (Boeing)
CTAF
common traffic advisory frequency
CTR
controlled traffic region/control zone
CVR
cockpit voice recorder
CWS
control wheel steering
Part of rule making process
D Abbreviation
Term
Note
D
Compass Deviation
DA
density altitude
DA/H
decision altitude/height (rel. to THR) See instrument landing system
DAH
design approval holder (EASA)
DER
departure end of runway
DER
Designated Engineering Representative (http://www.faa.gov/other_visit/aviation_industry/designees_delegations/designee_types/der/)
DEU
display electronic unit
DG
directional gyro
DGPS
differential GPS [1]
DGR
Dangerous Goods Regulation
DIA
diameter
DLR
German Aerospace Center / Deutsches Zentrum für Luft- und Raumfahrt e.V. (http://www.dlr.de/en/)
DME
distance measuring equipment
DME
Designated Mechanic Examiner[2]
DMI
deferred maintenance item
DO
design organization
DOA
design organization approval (EASA)
DOM
design organization manual
DODAR
diagnose, options, decide, act/assign, review
DOW
dry operational weight
DR
dead reckoning
DUATS
Direct User Access Terminal Service
DWC
dog watch condition
A person appointed by the FAA
E Abbreviation
Term
EA
engineering authorisation
EADI
Electronic Attitude Direction indicator
EAS
equivalent airspeed[1]
EC
engineering control (also E/C)
EFC
Expect Further Clearance
EAT
expected approach time[1]
EASA
European Aviation Safety Agency
EBOM
engineering Bill of Material
EBU
engine build-up
ECAM
electronic centralised aircraft monitor
ECET
end of civil evening twilight
ECR
Engineering Change Request
ECS
Environmental control system
EDR
engineering data record
EDTO
extended diversion time operations
EEC
electronic engine control
EET
estimated elapsed time
EFB
electronic flight bag
EFIS
electronic flight instrument system
EGPWS
enhanced ground proximity warning system
EGT
exhaust gas temperature
EHSI
Electronic Horizontal Situation Indicator
EICAS
engine-indicating and crew-alerting system
E-LSA
experimental light-sport aircraft
ELOS
Equivalent Level of Safety
ELT
emergency locator transmitter
EMAS
engineered materials arresting system
EOBT
estimated off-blocktime
EPA
European part approval (EASA)
EPR
engine pressure ratio
ERM
engineering request for maintenance
ESA
emergency safe altitude
ETA
estimated time of arrival
ETD
estimated time of departure[1]
ETE
estimated time en route[1]
ETOPS
Extended-range Twin-engine Operation Performance Standards, see ETOPS
ETSO
European Technical Standard Order, issued by EASA; see TSO
EUROCAE
European Organisation for Civil Aviation Equipment
EVAS
emergency vision assurance system
EW
Empty Weight
F Abbreviation
Term
Note
FAA
U.S. Department of Transportations' Federal Aviation Administration
Organisation
FADEC
full authority digital engine control
Engine equipment
FAC
Flight Augmentation computer
Avionics
FAF
final approach fix
FAF
[first available flight]
Airline operations
FANS
future air navigation system
Avionics
FAP
final approach point
FAP
forward attendant panel
FAROS
final approach runway occupancy signal
FATO
final approach and take off
FBO
fixed-base operator
Airfield operations
FB
Winds aloft
World Meteorological Organization abbrev. see also FD
FBW
fly-by-wire
FC
flight crew
FCOM
flight crew operating manual
Aircraft operations
FCU
fuel control unit
In turbine engines
FD
flight director
Avionics
FD
upper winds and temperature forecast [1]
US and Canada abbrev. See also FB
FDM
flight data monitoring
Operations planning
FDR
flight data recorder (also known as black box)
Avionics
FEP
final end point
FFDZ
free fall drop zone (parachutists)
FIC
flight information centre
FIDO
Fog Investigation and Dispersal Operation
Airfield operations
FIKI
Flight Into Known Icing
Aircraft operations
FIR
flight information region
ATC
FISE
flight information service enroute
FL
flight level
ATC
FM
frequency modulation
Example: FM immunity
FMA
flight mode annunciator
Equipment
FMC
flight management computer (part of a FMS)
Avionics
FMGC
flight Management and guidance computer
Avionics
FMS
flight management system
Avionics
F/O
First Officer
Flight crew
FOD
foreign object damage
Airfield operations
FOO
flight operation officer
Person
FOQA
flight operational quality assurance
FPA
flight path angle
FPL
filed flight plan
FPM
feet per minute
FSDO
Flight Standards District Office (FAA)
FSF
Flight Safety Foundation
FSIMS
Flight Standards Information Management System (FAA)
FSS
flight service station
FTL
flight time limitations
FVU
flux valve unit
Aircraft equipment
ATC
Organisation
Equipment
G Abbreviation
Term
Note
GA
general aviation
G/A or GA
go-around
GBST
ground based software tool
Airfield operations
GCA
Ground-controlled approach
Airfield operations
GCU
generator control unit
GEA
Ground effect area
GLOC
g-induced loss of consciousness
GM
guigance material (EASA)
GMM
general maintenance manual
GND
ground
Airfield operations
GP
glide path
See Instrument landing system
GPP
general practices and procedures
GPS
Global Positioning System
Avionics
GPU
Ground Power Unit
Aerospace Ground Equipment
GPWS
ground proximity warning system
Avionics
G/S
glideslope
Avionics
GS
groundspeed
GSE
ground support equipment
"g" is acceleration relevant to the acceleration caused by gravity
Aerospace Ground Equipment
H Abbreviation
Term
Note
H
Heavy (in the context of wake turbulence categories)
H
High
HAZMAT
Hazardous Material
HDG
Heading
HDI
Heading Indicator
HFE
Human Factors Engineering[8]
HFES
Human Factors and Ergonomics Society
HIGE
Hover In Ground Effect
HIRL
High Intensity Runway lighting
Airfield operations
HIRO
High Intensity Runway Operation
Airfield operations
HIRTA
High Intensity Radio Transmission Area
HIWAS
Hazardous Inflight Weather Advisory Service
HL
Height loss
HLD
hold (hold altitude or speed or something else) (same as maintain, but not maintenance!)
HMG
hydraulic motor generator
HMU
hydro-mechanical unit
HOGE
Hover Out of Ground Effect
Helicopter operations
HPA
human-powered aircraft
Aircraft type
HPC
high pressure compressor
In turbine engine
HPT
high pressure turbine
In turbine engines
HPTACC
high pressure turbine active clearance control
Mainly used in turbofan engines
HSI
horizontal situation indicator
Avionics
HUD
head-up display
Avionics
HUM
Human Remains
HW
headwind
HYD
hydraulic
HYDIM
hydraulic interface module
Navigation
Aircraft equipment
I Abbreviation
Term
Note
IB
Inboard
IAC
instrument approach chart
IAF
initial approach fix
IAP
instrument approach procedure
IAS
indicated airspeed
IATA
International Air Transport Association
ICA
Instructions for Continuous Airworthiness
ICAO
International Civil Aviation Organization
ICD
Interface Control Document
ICO
idle cut-off
IDG
integrated drive generator
IDT
identify (XPDR)
IEPR
integrated engine pressure ratio
IETM
interactive electronic technical manual
IF
intermediate approach fix
IFA
International Federation of Airworthiness
IFATCA
International Federation of Air Traffic Controllers' Associations
IFE
In Flight Entertainment
IFP
instrument flight procedure
IFR
instrument flight rules
IFSD
in-flight shutdown
IGV
Inlet guide vane
ILS
instrument landing system
IMC
instrument meteorological conditions
IML
Inside Mold Line
IPC
Illustrated Parts Catalog (e.g. by Boeing, Airbus)
IR
Initial Release
IR
Initial Release
IRS
inertial reference system
IRT
instrument rating test
IRVR
instrumented runway visual range
ISA
International Standard Atmosphere
ISFD
integrated standby flight display
ISIS
integrated standby instrument system
ITAR
International Traffic in Arms Regulations
ITT
interstage turbine temperature
Combination of a CSD and generator in a single case
J Abbreviation
Term
JAA
Joint Aviation Authorities
JAR
Joint Aviation Requirements
K Abbreviation
Term
KCAS
knots calibrated airspeed
KIAS
knots indicated airspeed
KRE
key risk element
KTAS
knots true airspeed
L Abbreviation
Term
Note
L
Light (in the context of wake turbulence categories)
LAME
licensed aircraft maintenance engineer
LCC
low-cost carrier
LCG
load classification group
LCN
load classification number
LDF
Localizer type directional aid
LHO
live human organs
LIR
Loading Instruction Report
LKP
last known position
LLC
Life Limited Component
LLP
Life Limited Part (EASA, ICAO)
LLZ
localizer (ILS)
LM
land and marine
LOA
letter of authorization (FAA)
LOC
loss of control; localizer
LOFT
line-oriented flight training
LOTC
loss of thrust control
LNAV
lateral navigation
LOM
limitation of movement
LPC
low pressure compressor
LPT
low pressure turbine
LPTACC
low pressure turbine active clearance control
LPV
localizer performance with vertical guidance
LRU
line-replaceable unit
LSAP
loadable software aircraft part (EASA)
LSAS
longitudinal stability augmentation system
LTC
line training captain
LTP
landing threshold point
LVP
low visibility procedures
LW
landing weight
In turbine engines
Mainly used in turbofan engines
introduced in RMP for technical records
M Abbreviation
Term
M
medium (in the context of wake turbulence categories)
MAC
mean aerodynamic chord
MAC
mid-air collision
MAP
missed approach point or manifold absolute pressure
MATS
Manual of Air Traffic Services
MBC
Main Base Check
MCDU
multifunction control display unit
MCH
Manufacturer Certificate Holder (TCCA); see also PAH and POA
MCP
mode control panel
MCT
maximum continuous thrust
MCDU
multi control display unit
MDA
minimum descent altitude
MDDR
maintenance deferred defect record
MDH
minimum descent height
MDM
multi-disciplinary measure (EASA)
ME
Manufacturing Engineer
MEA
Minimum En-route Altitude
MEDEVAC
medical evacuation
MEF
maximum elevation figure
MMEL
master minimum equipment list
MEL
minimum equipment list
METAR
meteorological aerodrome report (METAR)
MFD
multi function display
MH
Magnetic Heading
ML
maintenance laptop
MLDW
maximum landing weight
MLS
microwave landing system
MM
middle marker
MOCA
Minimum Obstacle Clearance Altitude
MOE
maintenance organisation exposition
MORA
Minimum Off Route Altitude
MP
manifold pressure
MRB
Material Review Board
MRO
maintenance, repair, overhaul
MRO
maintenance and repair organization
MROT
Minimum Runway Occupancy Time
MRP
Material Resources Planning
MRW
maximum ramp weight
MSA
minimum safe altitude / minimum sector altitude
MSDS
Material Safety Data Sheet
MSL
mean sea level
MSLW
Max. Structural Landing Weight
MSTOW
Max. Structural Take-off Weight
MTOW
maximum take-off weight
MSZFW
Max. Structural Zero Fuel Weight
MVA
Minimum Vectoring Altitude
MX
Maintenance
MZFW
maximum zero-fuel weight
N Abbreviation
Term
Note
NADP
noise abatement departure procedure
NDB
non-directional beacon
NDT
non-destructive testing
NGS
nitrogen generation system
NHA
next higher assembly
NIST
National Institute of Standards and Technology
NORDO
no radio
NOTAM
notice to airmen
NOTAR
no tail rotor[2]
NPA
non-precision approach
NPA
notice of proposed amendment (EASA)
NPRM
notice of proposed rulemaking (FAA)
NRR
noise reduction rating
NRTC
nonroutine task card
NTZ
no-transgression zone
helicopter control system
hearing protector attenuation
N numbers (turbines) Abbreviation
Term
Note
N
compressor speed[1]
Ng
gas generator speed[1]
NP
power turbine speed[1]
Nh
high rotor speed[1]
N1, N2, etc. refers to specific turbine spool/stage.
O Abbreviation
Term
OAT
outside air temperature
OBE
overcome by events
OBS
omni-bearing selector
OCA
obstacle clearance altitude
OCCM
on condition / condition monitored components
OCH
obstacle clearance height
OEI
one engine inoperative
OEM
original equipment manufacturer
OGV
outlet guide vane
OHM
overhaul manual
OIS
obstacle identification surface
OM
outer marker
ONS
onboard network system
ONAT
Onboard Network Access Terminal
OTS
out of service
OPC
operational check
OPS/CHK
operational check
OW
operational weight
P Abbreviation
Term
P
(as a prefix:) prohibited airspace
PA
pressure altitude
PAH
production approval holder (FAA); see also POA and MCH
PANS-OPS
procedures for air navigation services – aircraft operations
PAPI
precision approach path indicator
PAOG
Pre Aircraft on Ground
PAR
precision approach radar
PATWAS
Pilot's Automatic Telephone Weather Answering Service[3]
PAX
passenger
PBCS
performance-based communication and surveillance
PBD
place bearing distance (RNAV waypoint)
PBE
Protective Breathing Equipment
PBN
Performance-Based Navigation
PCN
pavement classification number
PDG
procedure design gradient
PDAS
public domain aeronautical software
PDU
power drive unit (flap actuation)
PET
point of equal time
PF
pilot flying
PFD
primary flight display
PFAF
precision final approach fix
PIC
Pilot In Command
PICUS
Pilot In Command, under supervision[9]
PIO
Pilot Induced Oscillations
PIP
performance improvement package
PIREP
Pilot Report
PJE
Parachute jumping exercise
PM
pilot monitoring
PMA
Parts Manufacturer Approval
PMG
Permanent magnet generator
PN
part number (also P/N)
PNF
pilot not flying
PNR
Point of No Return
POA
Production Organisation Approval (EASA); see also PAH and MHC
POB
persons on board
POH
Pilot's Operating Handbook
POF
Principles Of Flight
PPL
private pilot licence
PPR
prior permission required
PSR
point of safe return
PSR
power supply reset
PSR
primary surveillance radar
PSU
personal service unit
PS
passenger step
PTF
permit to fly
PTT
push to talk
PTU
power transfer unit
Q Abbreviation
Term
QAR
quick access recorder
QCM
quality and compliance monitoring
QEC
quick engine change
QFE
the Q-code for: Atmospheric pressure at aerodrome elevation (or at runway threshold)
QNE
the Q-code for pressure altitude
QNH
the Q-code for: Altimeter sub-scale setting to obtain elevation when on the ground, i.e. altitude above MSL
QRA
quick reaction alert
QRH
quick reference handbook
R Abbreviation
Term
Note
R
(as a prefix:) restricted airspace
RA
radio altitude or radar altimeter
RA
resolution advisory (in the context of TCAS)
RAAS
Runway Awareness and Advisory System
RAAS
remote airport advisory service
RAIM
Receiver Autonomous Integrity Monitoring
RAREPS
Weather Radar Reports [3]
RAS
rectified air speed
RA(T)
restricted area (temporary)
RAT
ram air turbine
RCO
remote communications outlet
RDH
reference datum height for ILS
RESA
runway end safety area
RFF
rescue and fire fighting
RFI
recreational flight instructor
RGB
reduction gear box
RIA
regulatory impact assessment (EASA)
RII
required inspection items
RMI
radio magnetic indicator
RMT
rule making task (EASA)
RNAV
area navigation
RNP
required navigation performance
RPL
Recreational Pilot Licence
RPL
repetitive flight planning
RPT
regular public transport
RSA
runway safety area
RSR
en-route surveillance radar
RT
radiotelephony
RTB
return to base
RTL
rudder travel limiting
RTO
rejected take-off
RTOW
regulatory take-off weight
RVDT
rotary variable differential transformer
RVR
runway visual range
RVSM
reduced vertical separation minima
RW
ramp weight
RWY
runway
Provided by Air Traffic Controllers
In a turbine engine
S Abbreviation
Term
SAR
Surveillance Approach Radar
SAS
stability augmentation system
SB
service bulletin
SC
special condition
SCAP
Standard Computerized Airplane Performance
SDF
Simplified directional facility
SESAR
Single European Sky ATM Research
SFCC
Slat Flap Control Computer
SFO
Senior First Officer
SFOC
Template:Special Flight Operating Certificate
SID
standard instrument departure
SIGMET
Significant Meteorological Information
SM
service manual
SMM
safety management document (ICAO)
SMOH
Since major overhaul
SMR
surface movement radar
SMT
software maintenance tool
SN
serial number
SOC
start of climb at missed approach
SODPRO
simultaneous opposite direction parallel runway operations
SOP
standard operating procedure
SOW
Statement of Work
SR
sunrise
SRM
structural repair manual
SS
sunset
STAR
standard terminal arrival route
STC
supplemental type certificate
STOL
short take-off and landing[1]
T Abbreviation
Term
Note
TA
traffic advisory (see TCAS)
TAA
terminal arrival area
TAC
thrust asymmetry compensation
TACAN
tactical air navigation
TAF
terminal aerodrome forecast
TAM
total airport management
TAR
terminal approach radar
TAS
true airspeed
TAT
total air temperature
TAWS
terrain awareness and warning system
TBO
time between overhauls
TBV
transient bleed valve
TC
towering cumulus
TC
turn coordinator
TC
True Course
TC
type certificate
TCDS
type certificate data sheet
TCA
terminal control area
TCAS
traffic collision avoidance system
TCCA
Transport Canada's Civil Aviation
TCH
threshold crossing height
TCU
terminal control unit
TDZ
touchdown zone
TERPS
terminal procedures
TFC
traffic
TFR
temporary flight restriction
TGB
transfer gearbox
TGL
temporary guidance leaflet
THLD
threshold
TH
True Heading
THR
runway threshold
THS
trimmable horizontal stabilizer, see tailplane
TLD
time-limited dispatch
TLB
technical logbook (EASA)
TMA
terminal manoeuvring area (Europe)/terminal control area (USA and Canada)
TML
Toolbox Mobile Library (Boeing)
TMZ
transponder mandatory zone
TOC
Top of Climb (also known as T/C)
TOD
top of descent
TODA
take-off distance available
TO/GA
take-off/go around
TOP
take-off power
TOR
take-off runway
TORA
take-off runway available
TOW
take-off weight
TOWS
take-off warning system
TP
turning point at missed approach
TRA
temporary reserved area (airspace)
TRACON
terminal radar approach control
TRE
type rating examiner
TRP
thrust rating panel
TSO
technical standard order[2]
TTAF
total time air frame
TTSN
total time since new
TTSO
total time since overhaul
TWB
Transcribed Weather Broadcasts [3]
TWC
tail wind component
TWLU
Terminal Wireless LAN Unit
TWR
tower
TWY
taxiway
In turbine engines
Air traffic control
Airspace
FAA specification of quality standard.
Abbreviated area forecast
U Abbreviation
Term
UAS
Unmanned Aircraft System[10]
UAV
unmanned air vehicle
UHF
ultra-high frequency
UIR
upper information region
UTC
Universal Time Coordinated
V Abbreviation
Term
Note
V
Magnetic Variation
V&V
Video & Vision[11]
VASI
visual approach slope indicator
VBV
variable bleed valve
VCS
vehicle control service
VDP
Visual descent point
VFR
visual flight rules
VGM
voice generator module
VHF
very high frequency
VMC
visual meteorological conditions
VNAV
vertical navigation
VOR
VHF omni-directional range
VIGV
Variable Inlet Guide Vane
VSCF
Variable speed constant frequency
VSI
Vertical speed indicator
VSV
Variable Stator Vane
VTA
VFR terminal area chart [1]
VTOL
vertical take-off and landing[1]
VVI
Vertical velocity indicator
VID
Visible Impact Damage
In turbine engines
See AWOS
Electricity generation system
In a turbine engine
Same as VSI
V speeds Abbreviation
Term
V1
speed at or above which takeoff cannot be safely interrupted
V2
speed at or above which takeoff can be done with 1 engine out
Va
maneuvering speed
V fe
maximum flaps extended speed
V le
maximum landing gear extension sp
V lo
maximum landing gear operating speed
v lof
lift of speed
V mc
minimum control speed
V mca
velocity of minimum control in the air
V mcg
velocity of minimum control on ground
V mo
maximum operating speed
V ne
never-exceed speed
V no
normal operating speed limit
Vr
rotate speed
Vra
Rough Air Speed
V ref
reference touchdown speed
Vs
stall speed
V so
stall speed in landing configuration
Vx
best angle of climb speed
Vy
best rate of climb speed
W Abbreviation
Term
WAT
weight, altitude, temperature: variables that affect takeoff performance
W&B
Weight & Balance
WCA
Wind Correction Angle
WEF
with effect from
WOFW
weight-off-wheels, indicates aircraft is off ground since lift off
WONW
weight-on-wheels, indicates aircraft is on ground since touch down
WS
wind shear
WTC
Wake Turbulence Category
Wx
weather[1]
X Abbreviation
Term
XC
cross-country [1]
XMIT
transmit
XPDR
transponder
XPNDR
transponder
Y Abbreviation
Term
Y
yaw or yaw angle
Y/D
yaw damper
Z Abbreviation
Term
Z
Zulu Time (UTC)
ZFT
zero-fuel time
ZFW
zero-fuel weight
ZULU
Zulu Time (UTC)
See also Acronyms and abbreviations in avionics
References 1. McDonald, Sandy A.F. From the ground up. Aviation Publishers Co. Ltd. pp. Appendix B. 2. Jeppesen, Boeing. A&P Technician General Textbook. pp. Glossary. 3. Nielsen, Dane. PILOT PREP. Canuck West Holdings Inc. 4. Association for Scientific Development of Air Traffic Management in Europe (http://www.asda.aero/) 5. "AWWS – Forecasts and Observations" (https://flightplanning.navcanada.ca/cgi-bin/CreePage.pl?Langue=anglais&NoSession=NS_Inconnu&Page=forecast-observation&TypeDoc=html). flightplanning.navcanada.ca. Retrieved 2017-04-06. 6. http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgccab.nsf/MainFrame?OpenFrameSet 7. https://www.casa.gov.au/rules-and-regulations/landing-page/current-rules 8. http://acronyms.thefreedictionary.com/HFE 9. http://www.caa.co.uk/docs/33/CAP%20804%20Amtd%2015%20Sept%202014.pdf. Missing or empty |title= (help); External link in |website= (help); 10. US DoD 11. http://acronyms.thefreedictionary.com/V%26V Sources Aerospace acronyms (https://web.archive.org/web/20050206170923/http://www.aerospace-technology.com/acronyms/) Terms and Glossary Aviada Terminaro (http://katalogo.uea.org/katalogo.php?inf=6715), verkita de Gilbert R. LEDON, 286 pagxoj.
External links Acronyms used by EASA (https://www.easa.europa.eu/acronyms) Acronyms and Abbreviations - (https://www.faa.gov/jobs/abbreviations/) FAA Aviation Dictionary (http://www.aviationdictionary.org/) Aviation Acronyms and Abbreviations (http://www.all-acronyms.com/tag/aviation) Acronyms search engine by Eurocontrol (http://www.eurocontrol.int/airial/definitionList.do?skipLogon=true) Retrieved from "https://en.wikipedia.org/w/index.php?title=List_of_aviation,_aerospace_and_aeronautical_abbreviations&oldid=836214567"
This page was last edited on 13 April 2018, at 11:23. Text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization.