What is the status of Autothrottle mode immediately after power-up?

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Multiple Choice

What is the status of Autothrottle mode immediately after power-up?

Immediately after power-up, the autothrottle system isn’t initialized yet, so its status display shows blank. The avionics haven’t completed their boot and readiness checks, so there isn’t a defined state to report. Autothrottle won’t automatically engage just because power is applied; you must enable it through the A/T switch and select an appropriate mode. Once initialization finishes, the display will show a defined state—Off if it’s not engaged, or Engaged/Active only when the system is actively controlling thrust.

Immediately after power-up, the autothrottle system isn’t initialized yet, so its status display shows blank. The avionics haven’t completed their boot and readiness checks, so there isn’t a defined state to report. Autothrottle won’t automatically engage just because power is applied; you must enable it through the A/T switch and select an appropriate mode. Once initialization finishes, the display will show a defined state—Off if it’s not engaged, or Engaged/Active only when the system is actively controlling thrust.

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