TM 1-1510-225-MTF
PROCEDURE
CRUISE (CONT)
TROUBLESHOOTING
REFERENCE
air noise in the cabin from around the
perimeter of doors and windows.
Check for undue noise in the cabin
due to vibrating and rattling articles or
oil canning of skins.
*11. Pilot’s alternate static air source -
Check as follows:
(a) Maintain level flight and note air-
speed and altitude.
(b) Pilot’s alternate static air source
switch - ALTERNATE. Verify
that airspeed indicator, altimeter,
and vertical speed indicator read-
ings increase.
(c) Pilot’s alternate static air source
switch
- NORMAL. Airspeed
indicator, altimeter, and vertical
speed indicator indications
should return to their original
readings.
*12. Propeller synchrophaser - Check cap-
turing ability of the synchrophaser by
establishing a small out of synchroni-
zation condition, then turning the syn-
chrophaser on. Verify that synchroni-
zation is established and held within a
few seconds.
13. Maximum ITT/N, availability - Per-
form as required (Chapter 4).
14. Speed performance at maximum
cruise power - Perform as required
(Chapter 4).
15. Engine performance at maximum con-
tinuous power - Perform as required
(Chapter 4).
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