flight level

noun

Any of several internationally agreed standard altitudes that are based on atmospheric pressure rather than on true height

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Meanings

nounflight level (plural flight levels)

plural flight levels

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

Translations

Finnish lentopinta
  • lentopintastandard altitude
Cite this entry
APA

flight level. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/flight%20level

MLA

“flight level.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/flight%20level. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “flight level,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/flight%20level.

Source: flight level on Wiktionary, CC BY-SA 4.0.