TM 55-1520-228-10
Change 11 8-9
f. If deceleration time is less than 2 seconds,
aircraft will not be flown. Enter conditions in
the “Remarks” section of DA Form
2408-13-1.
g. GEN switch – GEN.
h. Throttle – Slowly increase to open.
8-19. BEFORE TAKEOFF.
Prior to takeoff, the following checks shall be accom-
plished:
* 1. N2 – 100 percent.
* 2. Systems – Check engine, transmission, elec-
trical, and fuel systems indications.
* 3. Crew, passengers, mission equipment, and
seat belts – Check.
* 4. Avionics – As required.
8-20. HOVER CHECK.
Perform the following checks at a hover:
1. Flight controls – Check.
2. Engine and Transmission instruments –
Check.
3. Flight instruments – Check as required.
4. Power – Check. The power check is performed
by comparing the torque required to hover with
the predicted values from performance charts.
8-21. TAKEOFF.
CAUTION
During takeoff with the helicopter
skids close to the ground, nose-low
attitudes of 10 degrees or more can
result in ground contact of the WSPS
lower cutter tip. Forward CG, high
gross weight, high density altitude,
translational lift settling, and tail
wind increases the possibility of
ground contact.
8-22. DELETED.
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