The off-duty pilot was sitting in the cockpit of the Alaska Airlines flight when he tried to crash the jet.

An Alaska Air former pilot who tried to shut down a plane's engines while in an apparent dissociative state is expected to plead guilty Friday in federal court.

The former Alaska Airlines pilot had consumed psychedelic mushrooms two days before the flight. Judges approved plea agreements in his case on Friday.

The off-duty pilot was sitting in the cockpit of the Alaska Airlines flight when he tried to crash the jet.