APU OPERATIONAL LIMITS Flashcards

1
Q

APU Type?

A

Hamilton Sundstrand APS 2300

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2
Q

Min START Temp & ALT

A

[-54℃] & [-]

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3
Q

Max START Temp & ALT

A

[APU temp matches the Airplane Operational Envelope temp] & [30,000 ft]

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4
Q

Min Operational Temp

A

APU temp matches the Airplane Operational Envelope temp

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5
Q

Max Operational Temp

A

APU temp matches the Airplane Operational Envelope temp

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6
Q

Min Operational ALT

A

[-]

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7
Q

Max Operational ALT

A

33,000 ft

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8
Q

Min Operational ELE GEN

A

[-]

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9
Q

Max Operational ELE GEN

A

33,000 ft

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10
Q

Min Operational BLEED

A

[-]

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11
Q

Max Operational BLEED

A

15,000 ft

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12
Q

Min Operational TO ASSIST ENGINE START

A

[-]

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13
Q

Max Operational TO ASSIST ENGINE START

A

21,000 ft

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14
Q

Min ROTOR SPEED

A

[-]

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15
Q

Max ROTOR SPEED

A

108%

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16
Q

MAX EGT NOTES

A

[In-flight, there is no automatic shutdown if EGT exceeds the limits.] [There is no time limitation for operating the APU on ground or in flight in the amber range between
662°C and 717°C.]

17
Q

Min EGT: START AND CONTINUOUS

A

[-] to [1032℃]

18
Q

Max EGT: START AND CONTINUOUS

A

[-] to [717℃]