flight level

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English[edit]

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Wikipedia

Noun[edit]

flight level ‎(plural flight levels)

  1. Any of several internationally agreed standard altitudes that are based on atmospheric pressure rather than on true height
  2. (aviation) a pressure altitude measured in terms of hundreds of feet above sea level (ie. flight level 120 (FL120) is 12,000 ft. ASL)

Derived terms[edit]