TM 55-1510-222-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
*2. Stall speed, stall warning, and stall
characteristics (clean, power on) -
Check as follows:
a. Gear - UP.
b. Flaps - UP.
c. Propellers - Set 2000 RPM.
d. Power levers - Set 75% torque.
e. Trim aircraft to trim speed as
shown in figure 2.
f. Airspeed - Reduce by one knot/
second until aircraft stalls.
*g. Airspeed (at warning and at
stall) - Record (KIAS).
h. Roll must be controllable with-
in 15 degrees left or right.
*3. Stall speed. stall warning, and stall
characteristics (gear and flaps
down. power off - Check as fol-
lows:
a. Gear - DN. below 178 KIAS.
b. Flaps - Down (100%), below
151 KIAS.
c. Power - IDLE.
d. Trim aircraft to trim speed as
shown in figure 2.
e. Airspeed - Reduce by one knot/
second until aircraft stalls.
*f. Airspeed (at warning and at
stall) - Record (KIAS).
g. Roll must be controllable with-
in 15 degrees left or right.
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