transition altitude

短语

词形变化

transition altitudes 复数 transition altitudes

释义与例句

n.
  1. 1.

    The altitude (which varies by country) above which an aircraft's barometric altimeters are set as if the sea-level atmospheric pressure were equal to 1013.25 hectopascals (regardless of the actual atmospheric conditions) and altitudes are reported as flight levels.

    不可数 航空 商务 工程