Abbreviations PIH
AC
Alternating Current.
AGL
Above Ground Level.
AMSL
Above Mean Sea Level.
APU
Auxiliary Power Unit.
ASDA
Accelerate Stop Distance Available.
ASDR
Accelerate Stop Distance Required.
ASI
Air Speed Indicator.
ATC
Air Traffic Control.
ATIS
Automatic Terminal Information Service.
CAT
Clear Air Turbulence.
CAVOK
Ceiling and Visibility Ok.
CDFA
Continuous Descent Final Approach.
CFIT
Controlled Flight into Terrain.
CL
Coefficient of Lift
CRM
Crew Resource Management.
DA
Decision Altitude.
DC
Direct Current.
DH
Decision Height.
EAT
Expected Approach Time.
EFATO
Engine Failure After Take Off.
EGPWS
Enhanced Ground Proximity Warning System.
ETA
Estimated Time of Arrival.
ETOPS
Extended-range Twin-engine Operation Performance Standards.
FAF
Final Approach Fix.
FL
Flight Level.
FM
From.
FMC
Flight Management Computer.
GLS
GPS Landing System.
GPS
Global Positioning System.
GPWS
Ground Proximity Warning System.
HF
High Frequency.
IAS
Indicated Air Speed.
ICAO
International Civil Aviation Organization.
IDG
Integrated Drive Generator.
IMC
Instrument Meteorological Conditions.
ILS
Instrument Landing System.
ISA
International Standard Atmosphere.
LDA
Landing Distance Available.
LSS
Local Speed of Sound.
MDA
Minimum Descent Altitude.
MDH
Minimum Descent Height.
MEL
Minimum Equipment List.
METAR
Meteorological Aerodrome Report.
MMEL
Master Minimum Equipment List.
MLW
Maximum Landing Weight.
MORA
Minimum Off Route Altitude.
MSA
Minimum Sector Altitude.
MSL
Mean Sea Level.
MTOW
Maximum Take Off Weight.
NDB
Non Directional Beacon.
NM
Nautical Miles.
NOSIG
No Significant Change.
NSW
No Significant Weather.
OAT
Outside Air Temperature.
PAPI
Precision Approach Path Indicator.
RA
Resolution Advisory.
RNP
Required Navigation Performance.
RTO
Rejected Take Off.
RVR
Runway Visual Range.
RVSM
Reduced Vertical Separation Minima.
SAT
Static Air Temperature.
SID
Standard Instrument Departure.
STD
Standard.
TAF
Terminal Aerodrome Forecast.
TAS
True Air Speed.
TAT
Total Air Temperature.
TCAS
Traffic Alert and Collision Avoidance System.
TODA
Take Off Distance Available.
TODR
Take Off Distance Required.
TORA
Take Off Runway Available.
VHF
Very High Frequency.
VMC
Visual Meteorological Conditions.
VOR
VHF Omnidirectional Range.
VSI
Vertical Speed Indicator.
ANP
Actual Navigation Performance.
LROPS
Long Range Operations.
NADP
Noise Abatement Departure Procedure.
AAL
Above Aerodrome/Airfield Level.
EASA
European Union Aviation Safety Agency.
PDP
Pre-determined Point.
CMV
Converted Meteorological Visibility.
LDR
Landing Distance Required.
ROD
Rate of Descent.
NPA
Non Precision Approach.
ELR
Temperature Elapse Rate
ITCZ
Inter Tropical Convergence Zone.
SALR
Saturated Adiabatic Lapse Rate.
DALR
Dry Adiabatic Lapse Rate.
NSC
No Significant Clouds.
QFF
Q-code for pressure reduced to Mean Sea Level.
Vat
Indicated Airspeed at Threshold.
CDL
Configuration Deviation List.
PACK
Pressurization Air Conditioning Kit.
TRU
Transformer Rectifier Unit.
RAT
Ram Air Turbine.
NEO
New Engine Option.
CEO
Current Engine Option.
ADC
Air Data Computer.
EAS
Equivalent Air Speed.
PBN
Performance Based Navigation.