CAS
Calibrated Airspeed
GS
Ground Speed
IAS
Indicated Airspeed
KIAS
Knots Indicated Airspeed
M
Mach Number
TAS
True Airspeed
Va
Maneuverung Speed
Vfe
Maximum Flap Extended Speed
Vne
Never Exceed Speed
Vno
Maximum Structural Cruising Speed
Vs
Stall Speed
Vso
Stall Speed in a Landing Configuration
Vx
Best Angle of Climb Speed
Vy
Best Rate of Climb Speed
ISA
Meteorological term: International Standard Atmosphere
OAT
Outside Air Temperature
EGT
Exhaust Gas Temperature