The 400NEXT builds on one of the most popular business jets ever produced, the Beechjet 400A/XP, with greater range, safety, performance and fuel economy. Featuring a Pro Line 21 flight deck and Williams FJ44-3AP engines, and improved aerodynamics.
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Nextant 400NEXT
Beechjet 400A/XP Modernization
Nextant Aerospace has launched an aircraft modernization retrofit program to fill a market demand of a modern, medium range (2000 nautical mile) business aircraft priced under $4.0 million dollars. Nextant has created an entirely new category of business jet with more range, more speed, and greater fuel efficiency.
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Pro Line 21 Flight Deck
Beechjet 400A/XP Pro Line 21 Upgrade
STC 10959SC
The Rockwell Collins Pro Line 21 Avionics package is truly one of the most popular avionics suites being offered today, both as a retrofit conversion to existing systems as well being provided in new aircraft deliveries from many aircraft manufacturers.
FJ44-3AP Engines
400NEXT Williams FJ44-3AP Engine Upgrade
Nextant replaces the existing P&W JT15D engines with new Williams FJ44-3AP engines as part of the complete 400NEXT Beechjet 400A/XP modernization program.
Aerodynamics
400NEXT Aerodynamics Enhancements
One of the most important elements of the 400NEXT modernization program is aerodynamic improvements utilizing state-of-the-art engineering methods including computational fluid dynamics (CFD). These studies led to redesigned nacelles and pylons as well as improved engine placement that lowered existing aerodynamic drag and supersonic shock.





