On a modern transport aircraft, an engine driven generator supplying one of the main AC busbars develops a fault and is switched off by the flight crew.
Choose the incorrect statement.
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A
The FCOM and/or aircraft status page should be consulted by the flight crew to determine the aircraft’s landing capability.
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B
As a result, the affected AC busbar will be without power until the flight crew selects the AC alternate feed switch.
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C
The opposite engine driven generator will take-over and provide power to both main AC busbars.
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D
The flight crew should start the APU as an alternate means of AC power.
This question asks for the incorrect statement.
“The flight crew should start the APU as an alternate means of AC power.” Correct.
- Since the aircraft is down to a single source of AC power, the flight crew is advised to start the APU to re-established two sources of AC power and reduced the load on the single engine driven generator.
“The FCOM and/or aircraft status page should be consulted by the flight crew to determine the aircraft’s landing capability.” Correct.
- An engine driven generator failure will downgrade the aircraft’s landing capability. This can be checked by the flight crew in the FCOM and aircraft status page.
“The opposite engine driven generator will take-over and provide power to both main AC busbars.” Correct.
- Modern complex aircrafts are generally equipped with two AC engine driven generators. Should one of them develop a fault, the remaining engine driven generator will take-over.
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This question has appeared on the real examination, you can find the related countries below.
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Austro Control4
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Spain3
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France2
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Greece2
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Czech Republic1
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Finland1
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Hungary1
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