
The Dassault Falcon 900 series is a family of heavy jets defined by one of the most distinctive design choices in business aviation — three engines instead of two. This tri-engine configuration is unique to Dassault in the heavy jet class and gives the Falcon 900 a level of redundancy that operators and clients value, particularly on long overwater routes where engine reliability matters most.
The 900 series spans several variants — the 900B, the 900EX, and the modern 900LX — each building on the same proven airframe with progressive improvements in range, avionics, and cabin systems. Together they cover the full spectrum of heavy jet missions, from U.S. coast-to-coast trips to transatlantic crossings, with the short-field capability and short-runway access that has long set the Falcon family apart.
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The Falcon 900 series is built for long-range missions with a level of redundancy and runway flexibility unusual in the heavy jet class. Powered by three Honeywell TFE731 engines and equipped with avionics ranging from the Honeywell Primus 2000 (900B) to the EASy II flight deck on the 900LX, the series delivers strong cruise speeds, transoceanic range, and the ability to operate from runways many heavy jets cannot.

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The Falcon 900 series typically seats 12 to 14 passengers across multiple distinct cabin zones. Most operators run a layout that combines a forward club, a mid-cabin conference grouping, and an aft divan or additional seating zone.
Range varies by variant. The 900B offers approximately 4,000 nautical miles, the 900EX extends that to roughly 4,500 nautical miles, and the 900LX reaches up to 4,750 nautical miles — comfortably handling U.S. coast-to-coast missions and transatlantic routes like New York to Paris, Boston to Geneva, or Miami to London.
The tri-engine design is one of the Falcon 900's defining features and is unique to Dassault in the heavy jet class. The third engine provides additional redundancy on long overwater routes and contributes to the aircraft's strong short-field performance — it's a design philosophy Dassault has carried through the entire Falcon trijet family.
The 900B is the foundational variant produced from 1991 to 2005, with approximately 4,000 nm range and Honeywell Primus 2000 avionics. The 900EX, introduced in 1996, extended range to roughly 4,500 nm and added cabin and systems improvements. The 900LX, introduced in 2010 and still in production, adds blended winglets for additional efficiency, the EASy II flight deck, and up to 4,750 nm of range. All three share the same tri-engine configuration and overall cabin layout.