These are specific to Cessna 172SP Nav III’s. Please refer to your POH for your airplane to get complete procedures.
- Engine Failures:
- Engine failure during takeoff roll:
(Here we want to stay on the ground and stop ASAP) - Throttle – Idle
- Brakes – Apply
- Flaps – Retract
- Mixture – Idle Cutoff
- Magnetos – Off
- Standby Batter – Off
- Master – Off
- Engine failure immediately after takeoff:
- (Here we want to get back onto the ground safely)
- Airspeed
- Flaps up – 70 KIAS (Calibrated Indicated Airspeed)
- Flaps 10/FULL – 65 KIAS
- Mixture – Idle
- Fuel Shutoff – Off
- Magnetos – Off
- Flaps – As Required
- Standby Battery – Off
- Master – OFF
- Door – Unlatch
- Land – Straight Ahead
- Engine Failure in Flight:
- (Here we want to get back onto the ground safely)
- Airspeed – 68 knots
- Pick Suitable landing area
- Fly towards landing area
- If time allows perform engine restart
- Fuel Selector – Both
- Fuel Cutoff – On
- Mixture – Rich
- Depends on Altitude and Density Altitude
- Don’t full rich when at 7000’ elevation
- Use common sense here
- Throttle – Full
- Fuel Pump – On
- Magnetos – on/both
- If engine does not restart or an off airport landing becomes necessary
- Squawk 7700
- If not on with tower, 121.5
- Announce Location/Aircraft/Passengers
- Fuel Pump – Off
- Magnetos – Off
- Throttle – Idle
- Mixture – Full Lean
- Fuel Cutoff – Off
- Fuel Selector – Left/Right
- Seats and Seatbelts – Secure
- Loose Objects – Stow
- Flaps – As required
- Standby Battery - Off
- Master - Off
- Door – Ajar, just before touchdow
- Engine Fire during startup:(Here we want to burn up whatever fuel is left, and not let any more fuel in. Then we will shut down and take care of the fire if it remains)
- Cranking - Continue
- If Engine Starts
- Throttle - 1800 RPM
- Engine – Let run for a few minutes
- Engine – Shutdown and inspect
- If Engine fails to start
- Throttle – Full
- Mixture – Idle
- Cranking – Continue
- Fuel Shutoff – Off
- Fire Extinguisher – Obtain
- Engine – Secure
- Master – Off
- Standby Battery - Off
- Magnetos – Off
- Fuel Selector – Left/Right
- Fire – Extinguish
- Airplane - Evacuate
- Engine – inspect for damages
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