The Honda HA-420 HondaJet is a light business jet produced by the Honda Aircraft Company of Greensboro, North Carolina, United States. Original concepts of the aircraft started in 1997 and were completed in 1999. It took its maiden flight on December 3, 2003, received its FAA type certificate in December 2015 and was first delivered that same month. By March 2020, 150 jets had been delivered.
The seven to eight-seat aircraft has a composite fuselage and an aluminum wing, and is powered by two GE Honda HF120 turbofans unusually mounted on pylons above the wing. It can reach a 420 kn (780 km/h) speed, and has a 1,400 nmi (2,600 km) range. The HondaJet has received several aeronautic design and innovation accolades.
It uses two engines mounted on pylons above the wing, a configured called Over-The-Wing Engine Mount, or OTWEM, by Honda Aircraft. This configuration maximizes cabin space by removing the structure required to mount engines on the rear of the fuselage. A similar over-wing engine configuration was used in the 1970s on the VFW-Fokker 614, but had limited the aircraft’s speed due to interference between the engine and the wing. This, along with the overall commercial failure of the VFW-Fokker 614, made the over-wing configuration unpopular with aircraft designers. To avoid these issues, the HondaJet’s designer used computer analysis and wind tunnel testing to find the optimal position for engine placement on top of the wings, which he determined was at 75 percent of the wing chord
In May 2018, the $5.2 million (as of 2018) HondaJet Elite was revealed, with an expanded performance envelope, improved interior and updated flight deck. The type certificate was amended by the FAA on 2 May 2018, and soon followed by EASA. Honda began deliveries on August 7, 2018
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To retrofit some of the upgrades of HondaJet Elite to pre-Elite HondaJets, an APMG (Advanced Performance Modification Group) upgrade is available for $250,000. This includes 100 to 120 nmi range increase, and a 45 kg (99 lb) MTOW increase and take-off run reduction by 135 m (443 ft) to 1,064 m (3,491 ft); this is achieved by a few inches span extension of the horizontal tailplane, and removal of wing fences and vortex generators.
Cruise speed: 422 kn (486 mph, 782 km/h) FL300
Range: 1,437 nmi (1,653 mi, 2,661 km) NBAA fuel reserve IFR Range with 4 occupants
Service ceiling: 43,000 ft (13,000 m)
Rate of climb: 4,100 ft/min (21 m/s)
Fuel burn at long-range cruise: 543 lb/h (246 kg/h) at 360 kn TAS at FL430
Just like the PAK-FA, the Light Strike Fighter (LTS) ‘Checkmate’ could be the name given during the development phase. It may well settle for the established Sukhoi naming system of Su-XX. Interestingly, the Su-57 designated was derived from the adding up of 35 and 22 (US F-35 and F-22), according to UAC officials who said the designation indicated an aircraft that had the combined qualities of the two leading US jets.