transition level

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|aviation}} The lowest [[flight level]] above the [[transition altitude]]; depends on the transition altitude and the measured or calculated [[sea level|sea-level]] [[atmospheric]] [[pressure]]. The flight level at which a [[descending]] [[aircraft]]'s [[barometric]] [[altimeter]]s are reset from a constant setting of 1013.25 [[hectopascal]]s to the setting corresponding to the actual measured or calculated atmospheric pressure at [[mean sea level]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.