Section 2 – Limitations
AIRSPEED INDICATOR MARKINGS
3. AIRSPEED INDICATOR MARKINGS
Airspeed indicator markings and their colour code are explained in the following
table.
Lower limit is V
SO
, upper limit is the maxi-
mum allowable speed with flaps extended in
FULL position.
Minimum aircraft control speed with one en-
gine inoperative and flaps set to T.O.
Normal aircraft operating range (lower limit
is V
S1
, stall speed in “clean” configuration,
and upper limit is the maximum structural
cruise speed V
NO
).
Best rate-of-climb speed with one engine in-
operative at sea level.
Speed range where manoeuvres must be con-
ducted with caution and only in smooth air.
Maximum speed for all operations.