Hawker Siddeley Harrier single lever added in the cockpit. For horizontal flight, the nozzles are directed rearwards by shifting the lever to the forward position; for short or vertical takeoffs and landings, the lever is pulled back to point the nozzles downwards. The Harrier has two control elements not found in conventional fixed-wing aircraft: the thrust vector and the reaction control system. The thrust vector refers to the slant of the four engine nozzles and can be set between 0° (horizontal, pointing directly backwards) and 98° (pointing down and slightly forwards). The 90° vector is normally deployed for VTOL manoeuvring. The reaction control
De Havilland Marine the parent company, with assembly, repair and spares facilities for its range of aircraft. Aircraft design and full manufacture by de Havilland Australia (DHA) did not take place until the Second World War. Following the end of the war, the Australian company diversified into an aircraft sales agency and engineering and marine craft manufacturing. In 1960, following the takeover of the parent company de Havilland Holdings Ltd of England by the Hawker Siddley Group, de Havilland Australia was renamed Hawker de Havilland. The company is now owned by Boeing Australia, who announced on 6 February 2009 that Hawker de Havilland