Alternate Definitions for flight level

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Term: flight level
Definition:

In aviation, a Flight Level (FL) is a standard nominal altitude of an aircraft, referenced to a world-wide fixed pressure datum of 1013.25 hPa or the equivalent setting, 29.921 inHg (the average sea-level pressure). It is not necessarily the same as the aircraft's true altitude above mean sea level.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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