Abbreviation

PAPA Parallax Aircraft Parking Aid.
AGNIS Azimuth Guidance Nose In Stand.
VASI Visual Approach Slope Indicator
SAVASI Simplified Abbreviated Visual Approach Slope Indicator.
PLASI Pulsating Approach Slope Indicator.
PAPI Precision Approach Path Indicator.
TAWS Terrain Avoidance and Warning System
LTOM LOWER TAKE OFF MINIMA
FATO1 FINAL APPROACH AND TAKE OFF AREA
Tricolor VASI

is a light projector that shows three colors, Amber, Green and Red.

ICTS Ice Contaminated Tail plane Stall
Dingy Radio is an ELT that activates on Water
PANS Procedure For Air Navigation Services.
OPS Operations
SIRO Simultaneous intersecting Runway operations.
LAHSO Land and Hold Short Operations.
NORDO No Radio.
HIWAS

Hazardous In flight Weather Advisory Service- is a continuous broadcast of Hazardous Weather Information.

TWEB

Transcribed Weather Broadcast- is a continuous broadcast of recorded Meteorological & Aeronautical information on Low frequency and Medium Frequency & is sometimes transmitted on VOR facilities for Pilots

SAT Static Air Temperature
Np Propeller RPM
Nh Gas Generator RPM
RTOW

Regulated Take-off Weight-is the Weight calculated for Take off on a particular Runway for varying atmospheric existing conditions, using Flight Manual data or given in specially prepared RTOW charts by the Airline for each specific Runway operations.

ULR

Ultra Long Range- is the range of a flight which requires more than 16 hours of flight time.

ROBEX Regional Operating Meteorological Bulletin Exchange