2.3. Airspeeds
Airspeed Abbreviation
IAS
[km/h]
CAS
[km/h]
IAS
[kt]
CAS
[kt]
Never exceed airspeed V
NE
262 252 142 136
Design maneuvering speed V
A
176 160 95 87
Max. speed of cruising ight - it can be exceeded in calm air only V
NO
231 215 125 116
Maximum ap extended speed V
FE
112 110 61 60
Stall speed with aps retracted V
S1
88 96 48 52
Stall speed in landing conguration V
S0
70 74 38 40
Colour IAS [km/h] IAS [kt] Description
White arc 70-112 38-61 Operational range with aps down
Green arc 88-231 48-125 Normal range of operating speed
Yellow arc 231-262 125-142 Range of operating in calm air and with greater attention
The rst red
radial line
70 38 Stall speed in landing conguration
The second red
radial line
262 142 Never exceed airspeed
2.3.1. Coloured range marks on Airspeed Indicator
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