Harrier

The Harrier Aircraft which has the ability to take off vertically and hover like a helicopter is discussed. This aircraft can also fly at high speeds like a conventional jet. It is this feature that separates the Harrier into a new class of airplanes. Two major characteristics of the Harrier aircraft are examined: (1) the hover ability; (2) the reaction control system which enables the Harrier to maneuver while in the hover mode.