Harrier Jump Jet II Plus configuration) was delivered in December 2003, ending the Harrier production line. The Harrier Jump Jet, capable of taking off vertically, can only do so at less than its maximum loaded weight. In most cases, a short take off is performed, using forward speed to achieve aerodynamic lift, which uses fuel more economically than a vertical take off. On aircraft carriers, a ski-jump ramp is employed at the bow of the carrier to assist the aircraft in becoming airborne. Landings are typically performed very differently. Although a conventional landing is possible, the range of speeds at which this can
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