Emergency drills

Question 1

Power Failure - Main symptom:

Answer 1

– Low RPM horn

Question 2

Power Failure - Symptoms (engine):

Answer 2

• Change in noise level
• Nose left yaw
• Oil pressure light
• Reducing engine RPM

Question 3

Power Failure - Symptoms (drive):

Answer 3

• Unusual noise or vibration
• Yaw in either direction
• Decreasing rotor RPM with engine RPM increasing

Question 4

Power Failure - Immediate Actions:

Answer 4

1. Enter autorotation
2. Speed below Vne power off

Question 5

Power Failure - Cautions:

Answer 5

• Aft cyclic required as collective is lowered at high airspeed
• Do not apply aft cyclic during run-on

Question 6

Power Failure above 500’ AGL - Immediate Actions:

Answer 6

1. Enter auto
2. Establish autorotation speed (nominal 70kias)
3. Maintain RRPM between 97% and 108%
4. Manoeuvre into wind if possible
5. Attempt ‘Air Restart’ if practicable
6. Unnecessary switches and fuel valve … OFF
7. Carry out an autorotative landing

Question 7

Range auto criteria:

Answer 7

• 90 kias
• RRPM 90%

Question 8

Min RoD auto criteria:

Answer 8

• 55 kias
• RRPM 90%

Question 9

Air Restart

Answer 9

1. Mixture fully rich
2. Throttle fully closed then cracked slightly
3. Starter … START

Question 10

Loss of Tail Rotor Thrust - Symptoms

Answer 10

• Nose right yaw which can’t be controlled with left pedal.

Question 11

Loss of Tail Rotor Thrust in forward flight - Immediate Actions

Answer 11

1. Enter autorotation
2. Maintain 70 kias if possible
3. Roll off throttle into over-travel spring
4. Perform auto landing

Question 12

Loss of Tail Rotor Thrust in hover - Immediate Actions

Answer 12

1. Roll off throttle into over-travel spring
2. Allow aircraft to settle
3. Cushion with collective

Question 13

Engine fire on start - Immediate Actions

Answer 13

1. Continue cranking and attempt to start
2. Run the engine at 60% - 70% briefly
3. Mixture … OFF
4. Fuel Valve … OFF
5. Battery … OFF
6. Rotor brake to stop rotors if time permits
7. Vacate the aircraft

Question 14

Engine fire in flight - Immediate Actions

Answer 14

1. Enter auto
2. Cabin heat … OFF
3. Cabin vent … ON
4. Fuel valve … OFF
5. Carry out autorotative landing
6. Battery … OFF
7. Rotor brake … ON (If time permits)
8. Vacate aircraft

Question 15

Electrical fire in flight - Immediate Actions

Answer 15

1. Battery … OFF
2. Alternator … OFF
3. Cabin vents open
4. Land Immediately
5. Mixture … OFF
6. Fuel valve … OFF
7. Rotor brake … ON (If time permits)
8. Vacate aircraft

Question 16

What systems are inoperative with the battery and alternator off?

Answer 16

• Governor
• Low rotor RPM warning

Question 17

Hydraulic failure - Symptoms

Answer 17

• Heavy or stiff cyclic and/or collective
• Intermittent control vibration or feedback

Question 18

Hydraulic failure - Immediate Actions

Answer 18

1. Hyd switch … confirm ON
   if hyds not restored:
2. Hyd switch … OFF
3. Adjust airspeed and flight condition for comfortable flight
4. Land as soon as practical

Question 19

Governor failure - Immediate Actions

Answer 19

1. Grip throttle and override governor
2. Governor … OFF
3. Revert to manual throttle control