Aviation Photo #1052443 Boeing 777-212/ER - Singapore Airlines

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APU door still open, cooling period or "running" through out the flight..?
1.2K   Malaysia
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    TK
    Singapore Airlines
    Boeing 777-212/ER
    Boeing 777-200
    Boeing 777-200
    Boeing
    28522
    337
    9V-SRG
    Kuala Lumpur - International (Sepang)
    Malaysia
    May 2006
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Distinct Views: 5,622
Photo Added: May 26, 2006

Comments (2)

Anonymous
11 years ago
FYI: pilots may chhose to operate the APU on hot days because although the jet engine is small it produces some thrust; every little bit counts.
Anonymous
9 years ago
Actually the APU doesn't provide thrust, instead the APU is running on hot days because the pilots may select to turn off the engine bleed air, and use the APU bleed air. By turning of the engine bleed air, the engines produce more thrust because all of the engine power is being used for thrust and not bleed air and electrics.

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