Emergencies Flashcards
Autorotation following Engine Failure
- 65 kt
- Fuel flow to shutdown
- Shut fuel cock
- Switch off: Boost Pumps
Generator
“ALL-OFF” (if smell of burning)
Engine Failure - IGE
- Do not reduce collective pitch.
- Control yaw.
- Cushion touch-down by increasing collective pitch.
- Reduce collective pitch as soon as the aircraft is on the ground.
Engine Failure - OGE
- Reduce collective pitch.
- Apply forward cyclic pitch to gain air speed according to available height.
Flame-out - Flight
Carry out autorotation
Governor Failure -
Large Drop in Fuel Flow Rate
Ng stabilizes at less than 70%
- Establish auto IAS 65 kt
- Advance fuel control into emergency sector
- Control engine speed to 70% Ng
- Control rotor speed to 380 rpm
Governor Failure
Excessive Fuel Flow Rate
- Do not reduce collective pitch.
- Reduce fuel flow until rotor speed is in centre of green arc.
- Any reduction of collective pitch must by counteracted by adjusting fuel control position.
Governor Failure - Surging
- Reduce fuel flow out of governed range.
- If persists, Land asa Possible
Engine Fire - Start
- Close shut-off cock.
- Apply rotor brake if necessary.
- Booster pumps OFF
- Crank engine for 10 seconds
- Battery OFF
Fire in Flight (“FIRE” light)
- Enter autorotation.
- Close the fuel shut-off cock.
- Booster pumps, generator OFF.
- “ALL OFF” switch in smell of burning.
Smoke in the cabin (Identified)
- Shut off system
- Air cabin out
- Continue flight depending on system
Smoke in the cabin (Not identified)
- Shut off heating
- If smoke does not clear
- “ALL OFF” switch
- When smell disappears set all switches to “OFF” close cabin vents.
- Battery “On”
- “ALL OFF” off
- Switch generator on check voltage and current.
- If normal switch on circuits one by one to identify malfunction.
TR Drive Failure - IGE
Bring to ground by reducing collective
TR Drive Failure - OGE
Reduce collective and increase speed
TR Drive Failure - Forward Flight
- Reduce power as much as possible maintaining forward flight.
- Select landing area for steep approach.
- On final shut down engine
TR Control Failure
- Set IAS 70 kt
- HYD TEST 5 seconds
- Shallow approach, with side left slip
Servo Transparency
- Reduce severity of manoeuvre
- Follow aircraft’s reaction
- Let collective pitch decrease and counteract right cyclic motion.
No Fuel Pressure
- Confirmed with warning light
- If gauge is normal
Continue flight - If gauge is zero
Continue flight below 5000 ft
Low Fuel Pressure
If not confirmed by light gauge faulty
Low Engine Oil Pressure
- Test Warning-Caution-Advisory Panel
Low Engine Oil Pressure -
ENG P. does not illuminate
- if torque too low
- shut down engine
- if torque normal
- land as soon as Possible
Low Engine Oil Pressure
ENG P. does illuminate
- if torque too low
- land as soon as Possible
- if torque normal
- land as soon as Practicable
- monitor ENG P. light
Engine Oil Temperature - IGE
- Land if possible
- check cooler fan
- if landing not possible
- increase speed and reduce power
- 80 kt
- if no change land as soon as possible
Engine Oil Temperature - Flight
- reduce power
- Land if possible
- check cooler fan
- if landing not possible
- increase speed and reduce power
- 80 kt
- if no change land as soon as possible
TR Failure - IGE
Reduce collective
TR Failure - OGE
- Reduce collective moderately
- Increase speed
TR Failure - Forward Flight
- Reduce the power as much as possible
- Select landing area for a steep approach
- On final shut down the engine
Ng Indicator Failure
- Do not exceed max torque
- Below 15c: 730c
- Above 15c: 750c
Torquemeter Failure
Do not rise above Ng limits
t4 Indicator Failure
- Comply with Ng limitations
Abnormal NR/Nf Readings -
NR/Nf Below Green Arc
- Excessive power demand: reduce collective pitch. Indicator reading should rise to governed valve.
- Governor failure: Governor procedure
Abnormal NR/Nf Readings -
Different NR/ Nf Readings
- NR exceeds Nf
- NR reading is incorrect
- Nf exceeds NR
- NR reading is probably incorrect
NR Indicator Failure
- Maintain engine torque above 10%
- NR reading is given by the Nf
- Land asa Practicable
Free Turbine RPM Indicator Failure
- NR reading remains within governed range
- Continue Flight
Yaw Servo-control Slide-valve Seizure
- Isolate hydraulics
- 60 kt
- Proceed as if “HYD” light illuminated
Ng Bleed Valve Flag Indicator
- Does not disappear above specified Ng, max available power is reduced.
- Does not appear below specified Ng,
engine surging may result. Avoid sudden power changes.
Aural Warning
- Continuous 250 to 360 RPM NR
- Intermittent above 410 RPM NR
- Below 30 bar Hydraulic pressure
Red Light
Immediate action
Amber Light
Does not require immediate action
HYD Light - HIGE, Takeoff, Final
Red
- Land normally
(If 30 sec. is possible)
HYD Light
Red
Loss of hydraulic pressure
or less than 30 bar
HYD Light - Flight
Red
- Set and maintain bank less than 30*
- Avoid abrupt maneuvers
- 40 to 60 KIAS (smoothly)
- Hydraulic cut-off switch
- LAND asa POSSIBLE
HYD Light - Approach and Landing
Red
- 40 to 60 KIAS
- Flat approach into wind
- Make a slow no-hover running landing at 10 kt ground speed
FIRE Light
Red
MGB. P Light
Red
- Reduce power
- LAND asa POSSIBLE
MGB T. Light
Red
- Test warning caution panel
- MGB P. does not illuminate
- Reduce power
- Land asa Possible
- MGB P. does illuminate
- Land and check MGB oil level
- If normal fly to base
ENG P. Light
Red
GEN Light
Amber
- Check push-button
- Attempt rest
- If unsuccessful:
Shed least essential circuits
- If unsuccessful:
- LAND asa PRACTICAL
BAT Light
Amber
- Check push-button
- Monitor voltage
- LAND asa PRACTICAL
Horn
Amber
- Check push-button
FUEL Light
Amber
- Approx. 18 mins of fuel at level flight and maximum power
PITOT Light
Amber
- Check push-button
- Monitor airspeed indicator
DOORS Light
Amber
- Reduce IAS 70 kt
- LAND asa PRACTICAL
- Low rate of descent
ENG CHIP Light
Amber
LAND asa POSSIBLE
F FILT. Light
Amber
Reduce power
- if light goes out, CONTINUE FLIGHT at reduced power
- if light remains, LAND asa POSSIBLE
CHIP TGB Light
Amber
LAND asa POSSIBLE
CHIP MGB Light
Amber
LAND asa POSSIBLE
FUEL P. Light
Amber
- Less than 0.2 bar on one or both pump
- Check fuel pressure
