1
1 An aircraft powered by a turbojet or turbofan engine.
2 A route designated to serve flight operations from 18,000 feet MSL up to and including FL 450.
5 A route designated to serve flight operations from 18,000 feet MSL up to and including FL 450.
2 A high-velocity narrow stream of winds, usually found near the upper limit of the troposphere, which flows generally from west to east.
5 A high-velocity narrow stream of winds, usually found near the upper limit of the troposphere, which flows generally from west to east.
2 The mental process of recognizing and analyzing all pertinent information in a particular situation, a rational evaluation of alternative actions in response to it, and a timely decision on which action to take.
7 The mental process of recognizing and analyzing all pertinent information in a particular situation, a rational evaluation of alternative actions in response to it, and a timely decision on which action to take.