—DIAMOND D-JET

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Diamond D-Jet for Sale — Buy or Sell the Diamond DA50 RG and D-Jet Worldwide

The Diamond D-Jet (also known as the Diamond DA50 RG in its piston variant) represents one of the most technologically advanced and aerodynamically sophisticated single-engine aircraft ever developed for the personal aviation market. Diamond Aircraft of Austria conceived the D-Jet as a revolutionary personal jet — a single-engine, five-seat turbofan-powered aircraft that would democratise jet travel for the owner-pilot. Combining Diamond's signature carbon-fibre composite construction, a T-tail configuration, and a Williams FJ33 turbofan engine mounted above and behind the cabin, the D-Jet programme attracted enormous attention and interest before ultimately facing certification challenges that limited production. Diamond D-Jet and DA50 RG aircraft for sale are rare and highly collectible, representing a unique chapter in general aviation history. Airplane Trade is the best marketplace to find and list these exceptional aircraft.

The Diamond D-Jet Programme — Vision and Reality

Diamond Aircraft unveiled the D-Jet concept at EAA AirVenture Oshkosh in 2006 to widespread acclaim. The vision was compelling: a single-engine personal jet certified under FAR Part 23, capable of carrying five occupants at 315 knots to altitudes of FL250, with operating costs well below those of any existing certified jet aircraft. The aircraft featured Diamond's proven carbon-composite airframe technology (refined over years of production of the DA40 and DA42 families), a rear-mounted Williams FJ33-5A turbofan engine producing 1,900 lb of thrust, and an exceptionally clean, drag-minimised design with a retractable tricycle undercarriage. The Garmin G1000 avionics suite was specified from the outset, providing glass-panel situational awareness and integrated autopilot. Diamond began delivering early production D-Jets to customers in Canada (where initial certification was pursued under Transport Canada) and accumulated a significant order book. However, the path to full FAA certification proved longer and more complex than anticipated, and Diamond ultimately suspended the D-Jet programme in 2013 after producing a limited number of aircraft. Those aircraft that were completed and certified represent extraordinarily rare examples of single-engine jet technology in a small-cabin platform.

Diamond DA50 RG — The Piston Companion

Alongside the pure-jet D-Jet, Diamond developed the DA50 RG (Retractable Gear) as a piston-powered variant of the same basic airframe. The DA50 RG is powered by a Continental TSIOL-550-C diesel-cycle engine (or conventional TSIO-550 in some configurations), features retractable undercarriage, and offers five seats with exceptional aerodynamic efficiency. The DA50 RG was certified by EASA and Transport Canada, with a limited number delivered before Diamond focused its resources on the jet programme. Like the D-Jet, the DA50 RG is rare on the used market and commands significant collector interest.

Technical Specifications — Diamond D-Jet

  • Engine — Williams FJ33-5A turbofan, 1,900 lb thrust
  • Maximum Speed — 315 knots TAS at FL250
  • Cruise Speed — 280–300 knots TAS at FL250
  • Range — 1,500 nm (with IFR reserves)
  • Maximum Altitude — FL250 (25,000 ft)
  • Rate of Climb — 2,600 ft/min (sea level)
  • MTOW — 5,511 lb (2,500 kg)
  • Useful Load — Approximately 1,500 lb (680 kg)
  • Fuel Type — Jet-A
  • Seating — Pilot + 4 passengers (5-seat configuration)
  • Construction — Full carbon-fibre composite airframe
  • Avionics — Garmin G1000 integrated avionics suite

Key Design Features of the D-Jet

  • Carbon Composite Airframe — Diamond's industry-leading composite construction technology produces an airframe that is extremely strong, light, and resistant to corrosion and fatigue — superior in all three respects to conventional aluminium construction.
  • Rear-Mounted Engine — The over-fuselage engine installation eliminates propeller clearance concerns, minimises cabin noise, and produces a clean, unobstructed nose and cabin design.
  • T-Tail Configuration — The high-mounted horizontal stabiliser keeps the tail surfaces out of the engine wake and provides clean pitch authority throughout the flight envelope.
  • Retractable Gear — Electrically actuated retractable tricycle undercarriage reduces drag and allows the D-Jet to achieve its jet-comparable cruise speeds.
  • Garmin G1000 — Dual 10.4-inch PFD/MFD displays; integrated autopilot; GPS/ILS/VOR navigation; traffic and terrain awareness; digital engine monitoring.
  • Exceptional Visibility — Large bubble canopy-style windshield provides outstanding cabin light and pilot situational awareness.

Buying a Diamond D-Jet — Considerations

  • Certification Status — Verify the specific aircraft's certification basis and jurisdiction; D-Jets certified under Transport Canada may require additional steps for FAA registration; engage an aviation attorney experienced in import/export and type certification.
  • Engine Hours and Condition — Williams FJ33 engines are reliable but specialist; assess hours since new and review any maintenance or repair history; engine support is available through Williams International and authorised service centres.
  • Maintenance Network — Diamond D-Jet maintenance is more specialised than conventional piston aircraft; identify a qualified service facility before purchase and budget for higher-than-average hourly maintenance costs.
  • Avionics Software — Verify Garmin G1000 software is current; updates may be available that improve functionality or address known issues.
  • Parts Availability — As a limited-production aircraft, some parts may require lead time; build a relationship with Diamond Aircraft and specialist suppliers before acquiring the aircraft.

Find Your Diamond D-Jet on Airplane Trade

Airplane Trade is the premier global marketplace for rare and high-performance single-engine aircraft including the Diamond D-Jet and DA50 RG. These extraordinary aircraft represent some of the most sophisticated personal aviation technology ever certified, and listings are genuinely rare. Browse our current inventory of verified D-Jet and DA50 RG listings, each with complete specifications, engine status, certification details, and direct seller contact. If you are a collector, a serious owner-pilot, or an investor in unique aviation assets, Airplane Trade is where you find your Diamond D-Jet today.