transition level (English, noun)
expansion: transition level (usually uncountable, plural transition levels)
Senses:
topics: aeronautics
aerospace
aviation
business
engineering
natural-sciences
physical-sciences
glosses: The lowest flight level above the transition altitude; depends on the transition altitude and the measured or calculated sea-level atmospheric pressure. The flight level at which a descending aircraft's barometric altimeters are reset from a constant setting of 1013.25 hectopascals to the setting corresponding to the actual measured or calculated atmospheric pressure at mean sea level.
tags: uncountable
usually
Forms:
form: transition levels
tags: plural