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
Competition in the Regional jet market fly-by-wire regional jet in the 75- to 95-seat category. With development starting in 2000, the airliner was designed by the civil aircraft division of the Russian aerospace company Sukhoi, with some co-operation with Boeing in the early stages of the project. Its maiden flight was conducted on 19 May 2008. On 21 April 2011, the Superjet 100 undertook its first commercial passenger flight, on the Armavia route from Yerevan to Moscow. The Antonov An-148 () is a regional jet aircraft designed by the Ukrainian Antonov company and produced by Antonov itself and also on outsource by Russia's Voronezh Aircraft Production