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TM 55-1510-218-MTF
TROUBLESHOOTING
PROCEDURE
REFERENCE
LOW SPEED SYSTEMS CHECK (CONT)
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 181 KIAS.
b. Flaps - Down (100%). below
143 KIAS (C-12C), 154 KIAS
(C-120), or 157, KIAS (C-12F).
c. Power - IDLE.
d. Trim aircraft to trim speed as
shown in figure 4.
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.
*4. Stall speed, stall warning, and stall
characteristics (gear and flaps
down, power on) - Check as fol-
lows:
a. Gear - DN, below 181 KIAS.
b. Flaps - Down (100%). below
143 KIAS (C-12C), 154 KIAS
(C-12D), or 157 KIAS (C-12F).
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