climb flight level

climb flight level

In air traffic terminology, it means to climb to and maintain a stated flight level. The word to is omitted, such as when referring to height or altitude.
References in periodicals archive ?
Climb flight level one eight zero cancel SID (switch off instruments used for take-off) turn right direct to IGARI (a navigation point off Vietnam)
12:46:51 ATC Malaysian Three Seven Zero Lumpur radar Good Morning climb flight level two five zero
12:50:06 ATC Malaysian Three Seven Zero climb flight level three five zero