APU Flashcards

0
Q

MAX operating Altitude?

A

45,000 ft

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1
Q

MAX Start Altitude

A

43,000 ft

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2
Q

Guaranteed Start Altitude

A

39,000 ft (but may start up to 43,000’)

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3
Q

Electrical Load Limit

A

100% to 45,000 ft

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4
Q

MAX Start EGT

A

1050 deg C

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5
Q

MAX Continuous EGT or running EGT?

A

732 deg C

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6
Q

MAX RPM or Rotor Speed?

A

106%

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7
Q

APU Air for Takeoff limit

A

Up to 1,500 ft

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8
Q

Starter Duty Cycle - Using Aircraft Batteries

A

3 consecutive starts followed by 1 hour off

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9
Q

Starter Duty Cycles - Using EXT DC Power

A

Max of 3 attempts, with 15 minutes between each start attempt; followed by 1 hour OFF

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10
Q

Starter Limits - Consecutive

A

6 with 10 minutes between each start

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11
Q

APU air use for ENG Airstarts

A

Up to 30,000 ft

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12
Q

Engine Start Altitude

A

25,000 ft MAX

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