If FADEC fails, what happens to the engine?

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Prepare for the Aircrewman Mechanical (AWF) Test with flashcards and multiple-choice questions. Each question provides hints and detailed explanations for better understanding. Ace your exam confidently!

Multiple Choice

If FADEC fails, what happens to the engine?

Explanation:
FADEC provides the full authority over how much fuel is delivered and when ignition occurs, coordinating the engine’s speed and power. If that control path fails, there’s no automatic way to properly meter fuel or time ignition, so the engine can’t maintain stable operation. Without that commanded control, the engine will shut down to protect itself, effectively failing. The failure isn’t just ignition stopping or only fuel flow being affected—it’s the loss of coordinated engine control that leads to shutdown.

FADEC provides the full authority over how much fuel is delivered and when ignition occurs, coordinating the engine’s speed and power. If that control path fails, there’s no automatic way to properly meter fuel or time ignition, so the engine can’t maintain stable operation. Without that commanded control, the engine will shut down to protect itself, effectively failing. The failure isn’t just ignition stopping or only fuel flow being affected—it’s the loss of coordinated engine control that leads to shutdown.

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