Pilot Operating Handbook KP-5 ASA
48
7.1 Airspeed indicator range markings
White arc
35 – 59 knots
40 - 68 MPH
-operational range with
flaps down
Green arc
44 – 117 knots
51 - 138 MPH
-normal range of operating
Yellow arc
117 – 140 knots
138 - 162 MPH
-range of operating in calm
air and with greater
attention
The first red radial line
35 knots
40 MPH
-minimum permited speed
The second red radial
line
140 knots
162 MPH
-never exceeded airspeed