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View Diary: How Airliners Work - Weight and Balance (160 comments)

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  •  Another note (5+ / 0-)

    Several years ago, a friend of mine in Phoenix told me the airport was shut down because it was too hot. The temperature was 105 or 110 or 113 or whatever and Boeing doesn't certify their planes to work past a certain temperature.

    She explained that when the air is really hot, it's thinner. So the planes need more runway to get the lift to take off. So the airport shuts down to avoid crashes.

    I've also heard that pilots need special training to land in Tibet. I don't know if it's because the air is thin at that altitude or because the mountains get in the way. Maybe both.

    I'd rather have a pilot who believes in science than a Republican/fundamentalist pilot who believes in an alternative creationist theory.

    "Stupid just can't keep its mouth shut." -- SweetAuntFanny's grandmother.

    by Dbug on Tue May 07, 2013 at 10:26:31 PM PDT

    •  In the early jet age, some planes were (2+ / 0-)
      Recommended by:
      Major Kong, Dbug

      specially designed for Hot and High operations.

      The VC-10 was one such example, the plane was over engined for its size and the wing span was usually larger to overcome the heat and/or high altitude.

      Though as jet performance improved or runways grew longer the need for this specialization disappeared. Also their high fuel consumption was an additional factor.

      An example of the longer runway is Upington Airport. Which was used by SAA during the sanction periods to enable to fly from SA to Europe non-stop.

      The airport has a 16,076(3mi) runway which was used by SAA 747s.

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