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Which components for engine control are usually available on the flight deck for a FADEC-controlled piston engine?

  • A
    A FADEC computer and power levers providing digital inputs.
  • B
    A FADEC computer, an engine mode selector, engine master selectors, and power levers providing digital inputs.
  • C
    A FADEC computer.
  • D
    A FADEC computer and an autothrust/autothrottle system.

Full Authority Digital Engine Control (FADEC)
FADEC is an electronic system that controls an engine, allowing easy usage by the pilot, relieving workload and providing most efficient power settings through single lever operation. That being said, the pilot still has a few engine controls on the flight deck. As well as the power lever to each engine, which digitally tells the FADEC computer what power setting is required from the engine, the pilot has a master switch for each engine, and often engine mode selectors to be able to tell the engine which ECU to use, etc.

There is no need for an autothrust system for FADEC to operate, it is primarily built as a way for computers to manage engines rather than pilots, so is well set up for manual thrust operation.

Piston engines can be FADEC controlled, as in the case of the DA42, DA62, etc. as well as turbine engines, which use FADEC almost exclusively these days.

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