Lockheed Martin X-59

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Low-Boom Flight Demonstrator.jpg
Low-boom flight demonstrator
Type: Experimental airplane
Design country:

United StatesUnited States United States


Lockheed Martin

First flight:

2021 (planned)

The Lockheed Martin X-59 QueSST (for "Quiet Supersonic Transport") is a technology test vehicle commissioned by NASA and currently under construction for the development of a quiet , supersonic passenger aircraft.


In February 2016, NASA signed a preliminary contract with Lockheed Martin to develop a supersonic test aircraft . A critical design review took place in autumn 2019 , which confirmed the validity of the assumptions of the draft, which was followed by approval for final assembly in December 2019. In January 2020, NASA released a photo showing the aircraft's wing structure in its mounting frame.


Because of the design of the long front fuselage, the cockpit of the X-59 is relatively low and offers no view of the front for the pilot. Instead, an external vision system (“eXternal Vision System”) displays an image of the airspace in the direction of flight on a screen.

Three-sided view
Parameter Dates (planned)
length 96.7  ft (29.5  m )
span 29.5  ft (9  m )
height 14  ft (4.3  m )
Takeoff mass 32,300 lb (approximately 14,700 kg)
Top speed Mach 1.5 or 990 mph (approx. 1,590 km / h)
Cruising speed Mach 1.42 or 940 mph (approx. 1,510 km / h) at 55,000 ft (approx. 16,800 m)
Engine a General Electric F414

See also


Web links

Commons : Lockheed Martin X-59 QueSST  - Collection of images, videos and audio files
  • X-59 QueSST. In: www.lockheedmartin.com. Lockheed Martin, accessed on April 27, 2020 (English, X-59 productpage): "Lockheed Martin Skunk Works has partnered with NASA"

Individual evidence

  1. a b Lillian Gipson: X-59 QueSST Wing Assembly. NASA, January 21, 2020, accessed on January 21, 2020 (English): "[...] will fly for the first time in 2021"
  2. Jim Banke: NASA's Experimental Supersonic Aircraft Now Known as X-59 QueSST. NASA, June 27, 2018, accessed on December 19, 2019 (English): "Once fully tested and pronounced safe to fly within the National Airspace, the X-59 in late 2022 will begin making supersonic flights [...]"
  3. a b Jim Banke: New NASA X-Plane Construction Begins Now. NASA, April 3, 2018, accessed December 19, 2019 : "The new X-plane's mission: provide crucial data that could enable commercial supersonic passenger air travel over land."
  4. Jim Banke: NASA Moves to Begin Historic New Era of X-Plane Research. NASA April 22, 2016; archived from the original on February 27, 2017 ; accessed on December 19, 2019 : "QueSST aims to fix something the X-1 first introduced to the flying world nearly 70 years ago - the publicly annoying loud sonic boom."
  5. NASA's X-59 Quiet Supersonic Research Aircraft Cleared for Final Assembly , NASA announcement, December 16, 2019
  6. Quiet NASA jet takes shape , Flugrevue, January 20, 2020