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Date: 1993
Question:
How high can an airplane go?


Replies:
The Lockheed SR-71 Blackbird holds the official altitude record of 85,068 ft. Industry experts generally agree that this plane actually flew higher, but that information (if true) is still classified.

John Hawley


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Up-date 2002
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http://archives.cnn.com/2001/TECH/space/08/14/helios.update/index.html

Helios soars to 96,500 ft.


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