TM 55-1510-220-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
entire aircraft is functioning properly perform the maximum rate de- scent check as follows:
a.
Power - 50 to 60% torque.
b.
Propellers - Set 1900 RPM.
c.
Pressure altitude - Above 18, 000 feet.
d.
Gear - UP.
e.
Flaps - UP.
f.
Airspeed - In accordance with figure 5.
WARNING
Immediately reduce airspeed if any flutter, oscillation, or
vibration is encountered.
*g. Flight controls - Check for any indication of flutter, oscillation, vibration or malfunction.
*h. Windows and doors - Check for wind noise indicating air leaks.
i.
Level off aircraft at 10,000 feet.
*2. Elevator trim - Nose down trim stops will be set as follows:
a.
Power levers - Set 100% torque. Do not exceed N1 or TGT limits.
b.
Propeller levers - Set 2000 RPM.
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