APU Flashcards

1
Q

From where is the APU supplied with fuel?

A

With AC power available: Main tank 2 aft pump.
Without AC power available: Main tank 2 DC pump.

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2
Q

What are the indications that the APU is running?

A

EICAS status message “APU RUNNING”
APU GEN 1/2 AVAIL light(s)
STAT page APU info line

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3
Q

Can the APU be started in flight?

A

No

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4
Q

Can the APU by operated in flight?

A

Yes

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5
Q

Can the APU generators by used in flight?

A

No

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6
Q

What does the APU GEN AVAIL light indicate?

A

The APU generator power quality is acceptable.

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