How many idle power settings are available from FADEC?

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Multiple Choice

How many idle power settings are available from FADEC?

Explanation:
FADEC controls engine idle with a set of predefined power levels to keep the engine stable across different operating conditions. Having five discrete idle power settings provides enough granularity to maintain a smooth, reliable idle from ground operations through various flight phases and environmental changes, while keeping the control logic simple and robust. This balance—five levels—lets the FADEC select the right idle speed for start, taxi, climb, and approach without needing more or fewer settings, which is why five is the correct count.

FADEC controls engine idle with a set of predefined power levels to keep the engine stable across different operating conditions. Having five discrete idle power settings provides enough granularity to maintain a smooth, reliable idle from ground operations through various flight phases and environmental changes, while keeping the control logic simple and robust. This balance—five levels—lets the FADEC select the right idle speed for start, taxi, climb, and approach without needing more or fewer settings, which is why five is the correct count.

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