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Article: Altimeters for polar bears.(cold weather flying)
- Article from:
- Flying Safety
- Article date:
- November 1, 2004
- Author:
CopyrightCOPYRIGHT 2004 U.S. Air Force, Safety Agency. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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If polar bears could fly, they would know about cold weather altimeter settings. That's because the correction factors are required at most of the locations where polar bears frequent. Before you warm weather pilots tune out, you too have probably flown to at least one location requiring a cold weather altimeter correction. In fact, any time the ground temperature beneath an aircraft drops below 0 degrees Celsius, a correction should be made to altitudes in the departure/arrival spectrum.
[ILLUSTRATION OMITTED]
To understand the error, it helps to compare the atmosphere to the ocean surface. Many different things cause "waves" in the atmosphere, such as ...
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