Hawker Siddeley Harrier AV-8As to the AV-8C configuration—the work focused mainly on extending useful service lives and improving VTOL performance. The AV-8C and the remaining AV-8A Harriers were retired by 1987. These were replaced by the Harrier II, designated as the AV-8B, which was introduced into service in 1985. The performance of the Harrier in USMC service led to calls for the United States Air Force to procure Harrier IIs in addition to the USMC's own plans, but these never resulted in Air Force orders. Since the late 1990s, the AV-8B has been slated to be replaced by the F-35B variant of the
Hawker Siddeley Company. In 2006 the product line was sold to a new company to be known as "Hawker Beechcraft", owned by Onex Partners and Goldman Sachs. The Hawker Siddeley name was not used to brand aircraft until 1963. Prior to this, aircraft were produced under the name of the subsidiary company (e.g. Hawker Hurricane, Hawker Sea Hawk, Gloster Javelin, Gloster Meteor). First flight date is in parentheses. The Canadian subsidiary produced rail cars, transit vehicles and engines (aircraft and ship). Hawker Siddeley Hawker Siddeley was a group of British manufacturing companies engaged in aircraft production. Hawker Siddeley combined the legacies of