P92 Classic
Deluxe
GE N ERA L
F
LIGHT MANUAL
1
st
edition – 23
th
March 2009 Doc. n° 92-13-030-00
1-8
ABBREVIATIONS AND TERMINOLOGY
AIRSPEED TERMINOLOGY AND SYMBOLS
CAS
Calibrated Airspeed is indicated airspeed corrected for position and
instrument error.
IAS
Indicated Airspeed: is the speed shown on the on-board airspeed in-
dicator.
TAS
True Airspeed: is calibrated airspeed corrected for altitude and tem-
perature.
V
FE
Maximum Flap Extended Speed: is the highest speed permissible
with wing flaps in a prescribed extended position.
V
NO
Maximum Structural Cruising Speed: is the speed that should not be
exceeded except in smooth air, then only with caution.
V
NE
Never Exceed Speed: is the speed limit that may not be exceeded at
any time.
V
S
Stalling Speed.
V
S0
Stalling Speed or the minimum steady flight speed at which the air-
plane is controllable in the landing configuration at the most forward
center of gravity.
V
X
Best Angle-of-Climb Speed is the speed which results in the greatest
gain of altitude in a given horizontal distance.
V
Y
Best Rate-of-Climb Speed is the speed which results in the greatest
gain in altitude in a given time.
Vr
Rotation speed: is the speed at which the aircraft rotates about the
pitch axis during takeoff
Vobs
Obstacle speed: is the speed at which the aircraft flies over a 15m
obstacle during takeoff or landing