September 27th, 2005, 21:41
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| Senior Member
Join Date: May 2004 Location: St. Louis
Posts: 1,121
|  Runways
Stupid question. Does anyone know why on long runways the middle is usually at a slightly lower elevation than the ends? http://www.airliners.net/open.file?i...FP&photo_nr=25
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Trans Sates Airlines
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