It might also be hard for airlines to co-ordinate the departure times and destinations of passenger aircraft in a way that would allow them to gain from formation flight.

航空公司可能也很难协调客机的起飞时间和目的地，使它们能够从编队飞行中获益。

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It might also be hard for airlines to co-ordinate the departure times and destinations of passenger aircraft in a way that would allow them to gain from for mation flight.

每架客机的起飞时间与目的地都不相同，要协调它们编队飞行很难。

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It's a transgressive sort of humour. In Belgium, on the tour bus to the TV station, or whiling away the hours between rehearsal and performance, you get to hear La Roux and Co in full comedic flight.

在比利时，无论是在去电视台的巡回巴士上，还是打发彩排和表演休息空隙时，你都能听到La Roux 和成员充满喜剧性的争吵。

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Instead, he and co-pilot Jeffrey Skiles and their three flight attendants prepared for a water landing.

VOA: special.2009.01.30

Although policies put in place to reduce pilot error are not universal across the world, there are varying guidelines about how long a pilot can captain a flight, how many co-pilots should be present and how many hours a pilot can fly before taking mandatory breaks.

BBC: How human error can cause a plane crash

Among non-flight-related services, co-branded credit cards that, for example, award airline miles for purchases, are the biggest source of revenue, as airlines get per-transaction fees from the card-issuing banks.

FORBES: Airlines' Fee Revenue Doubles Since 2008

The family said they stayed up all night after learning that Shaw was co-pilot on the fateful flight.

CNN: Musicians, 9/11 widow, family man among plane crash victims