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TH-57 Some EPs
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Abnormal Starts
1) Twist Grip - Closed
2) Starter Switch - Secure when TOT <400º
Emergency Engine Shutdown
1) Twist Grip - Closed
2) Fuel Valve - Off
3) Batt Switch - Off
4) Helicopter - egress
Post-Shutdown Fire
1) Starter - On
2) Fuel Valve - Off
3) IGN CB - Pull
4) Starter - Secure when TOT <400º
Engine Oil System Malfunctions
CHIP Lights
Engine Pressure
: airborne, Land as soon as possible
Engine Temperature
: high: Land as soon as possible
low/fluctuating
: Land as soon as practical
Transmission System Malfunctions
Pressure
: airborne, Land as soon as possible
Temperature
: High: Land as soon as possible
Low/Fluctuating
: Land as soon as practical
Imminent Transmission Failure
1) Land immediately (Do not autorotate)
2) Lock harness
Tach-Gen Malfunction
Nf/Nr
: Land as soon as practical
Ng
: (non-memory)
1) Monitor engine instruments
2) Avoid high power settings
3) Land as soon as practical
TOT Malfunction
(non-memory)
1) Monitor engine instruments
2) Avoid high power settings
3) Land as soon as practical
Overtorque/Overtemp/Overspeed
1) Land as soon as possible
Torque Malfunction
If gauge drops and digital readout confirms:
1) Monitor engine instruments
2) Land as soon as possible
If gauge drops and digital readout is off:
non-memory item
Smoke/Fume Elimination
1) ECS and Defog Blower
: OFF
2) Vents and Windows - Open
3) Slip/Skid to eliminate fumes
4) Land as soon as possible
Suspected Fuel Leakage
1) Land as soon as possible
If time and conditions permit:
2) State position and intentions
3) Unnecessary electrical equipment - Secure
Engine Failure
1) Autorotate
2) Shoulder Harness - Lock
If time and altitude permit:
3) Mayday - transmit
4) Transponder - emergency
Autorotation
1) Autorotation - establish
a) Collective - Full down immediately
b) Pedals - Center ball
c) Airspeed - 50 kias minimum RoD, 72 kias max end
d) Nr - Maintain 90-107%, 94-95% optimal
e) Heading - turn into wind or towards best landing area
2) Autorotative Landing - Execute
a) Cyclic - Flare as required
b) Collective - Increase as required
c) Cyclid - Level skids prior to touchdown
Author
scottb170
ID
187204
Card Set
TH-57 Some EPs
Description
TH-57
Updated
2012-12-05T03:55:21Z
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