CSP
−
902RFM207E
−
1
ROTORCRAFT FLIGHT MANUAL
MD900 (902 Configuration with PW 207E)
Handling Servicing
and Maintenance
Original
8
−
49
Reissue 2
AUTOROTATION RPM CHECK
Refer to CSP-900RMM-2, Section 18-00-00.
NOTE
:
This procedure should be performed with engine control switches in FLY and
collective full down. However, aircraft operating at or near gross weight limits and
at high density altitudes may not be able to perform this procedure with collective
full down without exceeding rotor limits. Refer to CSP
−
900RMM
−
2, Section
18
−
00
−
00 for alternative collective position while operating at high gross
weights.
Target altitude
SELECT
NOTE
:
Select an altitude above target altitude so as to arrive at the target altitude in
steady state autorotation at 70 KIAS. Failure to maintain constant airspeed
during autorotation will cause rotor RPM fluctuations, resulting in inaccurate
RPM readings.
IIDS
SELECT “CLP” ON
ALPHANEUMERIC DISPLAY
Airspeed
70 KIAS
Collective lever position
ZERO % OR 10% AS REQUIRED
Observe rotor limits.
At target altitude
RECORD ROTOR RPM
NOTE
:
If gross weight/density altitude combination allows procedure with collective full
down, the torque reading should be zero percent at target altitude for accurate
autorotation RPM.
BATTERY REMOVAL
The battery should be removed from the helicopter and placed in a heated premises
if ambient air temperatures of minus 18
°
C or less or when long time exposure to
cold temperatures is expected
.
CAUTION
Summary of Contents for MD900 Explorer
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