English Dictionary

step climb

verb

(aviation, usually intransitive, of an aircraft) To periodically climb to higher and higher altitudes during cruise flight, as the aircraft becomes lighter from fuel burnoff, to take advantage of the reduced drag at higher altitudes; like cruise-climbing, but with the aircraft climbing in discrete steps instead of continuously.

The pilot must step climb to reach the desired altitude.

意味（1）

(aviation, usually intransitive, of an aircraft) To periodically climb to higher and higher altitudes during cruise flight, as the aircraft becomes lighter from fuel burnoff, to take advantage of the reduced drag at higher altitudes; like cruise-climbing, but with the aircraft climbing in discrete steps instead of continuously.

The flight plan called for step climbing from an initial cruising altitude of FL330 to the final altitude of FL350 halfway through the flight.