Emergency Procedures Flashcards
(46 cards)
Land as soon as possible
Land without delay at nearest suitable area at which a safe approach and landing is reasonably assured
Land as soon as practical
Landing site and duration are at the discretion of pilot. Extended flight beyond nearest approved landing area is not recommended
Engine failure in flight
- Maintain heading and altitude control
- Collective - Adjust as required to maintain 85-107% NR
- Cyclic - Adjust to maintain desired autorotative airspeed
- Attempt engine restart if ample altitude remains
- FUEL VALVE switch - Off
- At low altitude
a. Throttle - Closed
b. Flare to lose airspeed - Apply collective as flare effect decreases to reduce forward speed and cushion landing. Upon found contact, collective shall be reduced smoothly while maintaining cyclic in neutral or centered position.
- Complete helicopter shut down
Engine failure in hover
- Maintain heading and attitude control
- Collective - adjust to control NR and rate of descent. Increase prior to ground contact to cushion landing
Note. Amplitude of collective movement is a function of height above ground. Any forward airspeed will aid in ability to cushion landing.
- Complete helicopter shut down
Engine Underspeed
- Collective - Adjust as required to maintain 85-107% NR
- Throttle - Confirm in FLY detention position
- Throttle - Position to the approximate bezel position that coincides with the gauge indicated NG
- FADEC MODE switch - MAN
- NR - maintain 95-100% with throttle and collective
- Land as soon as practical
Engine overspeed
- Throttle - Retard
- NG or NP - Attempt to stabilize with throttle and collective
- FADEC MODE switch - MAN
- NR - Maintain 95-100% with throttle and collective
Compressor Stall
- Reduce power
- Eng Anti-ice - On
- Heater - On
- Land as soon as practical
Engine Oil pressure low
Land as soon as possible
Engine oil pressure high
Land as soon as practical
Engine oil temperature high
Land as soon as practical
Driveshaft failure
- Maintain heading and attitude control
- Collective - Adjust as required to maintain 85-107% NR
- Cyclic - Adjust to maintain autorotation airspeed
- Landing - Complete autorotative landing
- Complete helicopter shutdown
Engine fire in flight
- Immediately enter Autorotation
- Throttle - Closed
- Fuel Valve switch - Off
- If time permits, Fuel Boost/XFD circuit breaker switches - Off
- Execute Autorotation descent and landing
- Battery switch - Off
Cabin Smoke/Fumes
- Start descent
- Heater - Off
- All vents - Open
- Slide windows - Open
- Attempt to identify source and secure (If time permits)
- If smoke/fumes persist - Land as soon as possible
- If smoke/fumes clear - Land as soon as practical
Loss of tail rotor thrust in hover
Close throttle and preform hovering autorotation landing
Loss of tail rotor thrust in flight
Reduce throttle to idle, immediately enter autorotation and maintain a minimum of 55 KIAS during descent. When suitable landing area site is not available, vertical fin may permit controlled flight at low power levels at sufficient airspeed
Tail rotor fixed pitch
- Pull pedal stop emergency release to ensure pedal stop is retracted
- With left pedal applied, use power on approach with low airspeed using collective to control yaw
- With right pedal applied, use a low power run on landing while reducing throttle to control yaw
Loss of Hydraulic Pressure
- Reduce airspeed to 70-100 KIAS
- HYD SYSTEM circuit breaker - Out. If hydraulic pressure is not restored, push back in.
- HYD SYS switch - HYD SYS, Off if hydraulic power is not restored
- For extended flight set comfortable airspeed, up to 120 KIAS, to minimize control forces.
- Land as soon as practical
Generator Failure
- Check circuit breakers
- GEN switch - reset then ON
- If power is not restored, GEN switch - off and Land as soon as practical
FADEC Fail during start
Close throttle immediately. Engage starter to reduce MGT
FADEC fail in flight
- Throttle - if time permits, match throttle bezel to NG indication
- Nr/Np - Maintain 95-100% with collective and throttle
- FADEC MODE switch - Depress one time to mute audio. Auto Relight advisory light illuminates
- Land as soon as practical
- Normal shutdown if possible
RPM (with audio)
Nr below 95%
Reduce collective and ensure throttle is in FLY detention position.
RPM (without audio)
Nr above 107%
Increase collective and/or reduce severity of maneuver
ENGINE OUT
Ng less than 55% and/or FADEC senses engine out
Verify engine condition
ENGINE OVSPD
Ng greater than 110% or Np versus torque is above maximum condition limit.
Adjust throttle and collective as necessary. Determine if engine is controllable; if not, shut down.
