Hawker Siddeley P.1127 Hawker Siddeley P.1127 The Hawker P.1127 and the Hawker Siddeley Kestrel FGA.1 are the experimental and development aircraft that led to the Hawker Siddeley Harrier, the first "vertical and/or short take-off and landing" (V/STOL) jet fighter-bomber. P.1127 development began in 1957, taking advantage of the Bristol Engine Company's choice to invest in the creation of the Pegasus vectored-thrust engine. Testing began in July 1960 and by the end of the year the aircraft had achieved both vertical take-off and horizontal flight. The test program also explored the possibility of use upon aircraft carriers, landing on in 1963. The first three
Sport Jet II Sport Jet II The Sport Jet II was an American amateur-built aircraft that was under development by Sport-Jet, Limited. The Sport Jet was designed by Robert Bornhofen who licensed the intellectual property to Excel Jet. The aircraft was intended to be supplied as a kit for amateur construction. The first Sport Jet built crashed on takeoff after logging 23.8 hours of flight time. The Sport Jet II featured a cantilever mid-wing, a four-seat enclosed and pressurized cabin, retractable tricycle landing gear, a T-tail and a single jet engine. The aircraft fuselage was made from composites, with the wing fashioned from