Emergency Procedures (C-172)

Question 1

Dead mag/Live mag checks purpose

Answer 1

Dead mag: makes sure both mags are working before takeoff
Live mag: makes sure both mags turn off before shutdown

Question 2

Engine fire during start

Answer 2

1. Keep cranking to suck flames
2. open throttle and close mixture
3. Secure airplane ( turn off master, mags, fuel selector)
4. use fire extinguisher

Question 3

Electrical fire in flight

Answer 3

1 - Master and avionics off
2 - All electrical switches off
3 - Cabin heat/air and overhead vents closed
4 - use fire extinguisher
5 - Ventilate cabin
6 - master on
7 - radio switches off
8 - Avionics on
9 - All switches on one at a time to isolate problem

Question 4

Engine fire in flight

Answer 4

1 - Secure engine (mixture, fuel selector, master)
2 - Cabin heat and air off (except overhead vents)
3 - Set glide speed of 100 knots or whatever necessary to extinguish fire
4 - Forced landing

Question 5

Cabin fire

Answer 5

1 - Master off
2 - Close all vents
3 - use extinguisher
4 - ventilate cabin
5 - land ASAP

Question 6

Wing fire

Answer 6

1 - Turn off nav/strobe lights and pitot heat.
2 - Perform slip to keep fire away from fuel tanks and cabin.
3 - Land ASAP with minimal flaps

Question 7

Icing

Answer 7

1 - Pitot heat
2 - Turn back or change altitude
3 - Activate defrosters and increase prop RPM
4 - Carb heat as required
5 - Land ASAP with minimal flap

Question 8

Excessive rate of charge on ammeter

Answer 8

1 - Alternator off and pull alternator breaker
2 - Non essential electrical equipment off
3 - land as soon as practical

Question 9

Low voltage

Answer 9

1 - Make sure alternator breaker is not popped
2 - Turn master off and on again (make sure avionics are off)
3 - If that doesn’t work turn alternator/electrical equipment off and land as soon as practical