Emergency Procedures: Lights

Question 1

Tach failure

Answer 1

If one tach fails use other to monitor RPM.
If not clear which tach has failed or both fail allow governor to control RPM.
Land as soon as practical.

Question 2

Governor failure

Answer 2

Grip throttle firmly to override then switch off

Complete flight using manual throttle control.

Question 3

Oil light

Answer 3

= low oil pressure.
Check engine tach for power loss.
Check oil pressure gauge; if lost pressure:
Land Immediately

Minimum in flight = 55 psi

Continued flight without oil pressure will cause serious engine damage and engine failure may occur

Question 4

MR Temp

Answer 4

If other indications such as noise or vibration
Land Immediately.
No other indications: Land as soon as practical

Question 5

MR Chip

Answer 5

If other indication such as noise, vibration or temp rise: Land Immediately.
No other indication: Land as soon as practical

Question 6

TR Chip

Answer 6

If other indications such as noise or vibration
Land Immediately.
No other indications: Land as soon as practical

Question 7

Low Fuel Light

Answer 7

One gallon of fuel left.
5 minutes of flight
Land Immediately

Question 8

Clutch Light

Answer 8

If light flickers or is on more than 10 seconds:
Pull clutch circuit breaker and land as soon as practical.
If have other signs of drive system failure reduce power and Land Immdiately; be prepared to enter autorotation.
Inspect drive system for a possible malfunction.
Never takeoff before light goes out.

Question 9

ALT Light

Answer 9

Indicates low voltage and possible alternator failure
Turn off non-essential electrical equipment.
Turn ALT off then back on after 1 second: reset over voltage relay.
If light stays on land as soon as practical.
Can lose electronic tach if continue flight

Question 10

Starter-On light

Answer 10

If light is not out after ignition switch is released from Start position, immediately pull mixture and turn Master off.
Have starter motor serviced.

Question 11

GOV OFF Light

Answer 11

Governor is off. Manual control of throttle.

Question 12

Low RPM Horn & Caution Light

Answer 12

Simultaneously roll on throttle and lower collective.

Horn and light disabled when collective is full down.

Question 13

AUX Fuel Pump

Answer 13

Indicates low auxiliary fuel pump pressure. If no other indication of a problem, land as soon as practical. If accompanied by erratic engine operation, land immediately.

Question 14

Fuel Filter

Answer 14

Indicates fuel strainer contamination. If no other indication of a problem, land as soon as practical. If accompanied by AUX Fuel pump warning or erratic engine operation, land immediately.

Question 15

Full Throttle

Answer 15

Governor will be ineffective and cannot increase throttle to maintain RPM. Lower collective as required to extinguish light.