English Dictionary

flight level

noun

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

The pilot requested a higher flight level to avoid turbulence.

意味（1）

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

意味（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)