flight level

noun

1. aeronautics a specified height at which an aircraft is allowed to fly

Example Sentences

That way, if either plane encounters a problem that requires it to change its flight level, it can immediately disengage from the pairing and descend to a safe altitude.

From Scientific American

As it approaches the lab, it is programmed to descend to a low flight level and eject a package containing the test samples so that they float down below a parachute onto an open space, in this case, the lab’s front lawn.

From Fox News

The 366th Fighter Wing said in an email that current flight level restrictions inhibit aircrew ability to become proficient in low-altitude tactics.

From Seattle Times

After a series of altitude clearances, at 9:26 a.m. the pilot was instructed to change radio frequency and contact a Jacksonville controller who cleared the aircraft to climb to, and maintain, flight level 390 to Dallas.

From Golf Digest

“Atlanta Center,” Bull said, “Marine 657 over Brunswick at flight level three-two-zero. Requesting a Tacon approach to Ravenel. Over.”

From Literature