step-climb

Verb

step climb (third-person singular simple present step climbs, present participle step climbing, simple past and past participle step climbed)

1. (intransitive, usually) 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.

See all 2 meanings of step climb