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DIAMOND AIRCRAFT
DA 20/100 Flight Manual
General
Doc # DA202-100-VLA
20 December, 2000
Page
Issue 1
1 - 10
1.11. LIST OF DEFINITIONS AND ABBREVIATIONS
1.11.1. Speed
AGL: Above Ground Level
CAS: Calibrated airspeed; Indicated speed corrected for installation and instrument errors.
CAS is equal to TAS at standard atmospheric conditions at MSL.
KCAS: CAS in knots.
IAS:
Indicated airspeed as shown on the airspeed indicator.
KIAS: IAS indicated in knots.
GS:
Ground Speed. Speed of the airplane relative to the ground.
TAS: True airspeed. Speed of the airplane relative to air. TAS is CAS corrected for altitude and
temperature errors.
v
A
:
Maneuvering speed. Maximum speed at which the airplane is not overstressed at full
deflection of control surfaces.
v
FE
:
Maximum speed with flaps extended.
v
NE
:
Speed which must never be exceeded in any operation.
v
NO
:
Maximum structural cruising speed which should only be exceeded in calm air, and then
only with caution.
v
S
:
The power-off stall speed with the airplane in its standard configuration.
v
SO
:
The power-off stall speed with the airplane in landing configuration.
v
X
:
Best angle-of-climb speed.
v
Y
:
Best rate-of-climb speed.