Flying Notes

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Engine Starting ​

This page covers Task C. Engine Starting from the FAA-S-ACS-25 Flight Instructor for Airplane Category Airman Certification Standards.

Starting Under Various Conditions ​

  • Safety precautions related to starting.
    • Most important thing is to make sure the prop areas are cleared before starting each engine
    • Also need to be familiar with emergency procedures during starting
      • Engine fire during start
        • Refer to POH/AFM for proper procedures, the below bullets are general guidance, see image below
        • If engine fails to start, mixture idle cutoff, keep cranking, fuel selector off, battery and alternator off
        • If engine starts, run the throttle up to about 1800 RPM for 20 seconds and then shut down
    • There are many factors to consider when it comes to which engine to start first
      • Recall John King from King school multiengine course
      • Engine that starts more easily
      • Distance from battery
        • Start the engine closer to battery first
      • Better being able to hear the second engine start
        • Start the engine on pilot side second
      • Engine start relative to onboarding passengers
        • Start the engine further from onboarding passengers first
      • Engine which is most visible from pilot seat (left)
      • Alternate which engine is started first
  • Hot engine might have vapor lock
E55 Baron (N3622A) engine fire during start emergency procedures

Starting the engine(s) by use of external power ​

  • Follow guidance in POH/AFM

Engine limitations as they relate to starting ​

  • TBD

References ​