09/11/2018
RANS S-21 OUTBOUND
TEXT MANUAL
199
REQUIRED PLACARDS AND MARKINGS
AIRSPEED INDICATOR MARKINGS
Airspeed indicator markings and their color code meanings are shown in
Table 14F-1
.
All speeds are given for maximum takeoff weight.
Speed are given in MPH and (KNOTS)
Marking
IAS Value or
Range
Meaning
White Arc
40
– 110
(35 - 96)
Full Flap Operating Range - Lower limit is
maximum weight stalling speed in landing
configuration. Upper limit is maximum
speed permissible with flaps extended.
Green
Arc
49
– 170
(43
– 148)
Normal Operating Range - Lower limit is
maximum weight VS at most forward CG
with flaps retracted. Upper limit is
maximum structural cruising speed.
Yellow
Arc
170
– 215
(148
– 187)
Operation must be conducted with caution
and in smooth air only.
Red Line
215
(187)
Maximum speed for all operations
Table 14F-1. Airspeed Indicator Markings