Next Generation Supersonic Transport

Short description: Supersonic transport development project

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Next Generation Supersonic Transport

General information
Type| Supersonic transport
Designer|

JAXA

Number built| 0
History
Manufactured| 0

The Next Generation Supersonic Transport is a supersonic transport (SST) technology development program run by the Japanese Space Agency JAXA. The original goal was to produce by 2015 a new aircraft designed to carry three times as many passengers as the Concorde, and fly at a similar Mach 2 speed of 2,449 kilometres per hour (1,522 mph), with twice the range. The goal is also to achieve a ticket price comparable to that of subsonic business class. An 11.5-meter prototype was tested in October 2005.[1]

One of the most crucial factors in the commercial viability of a supersonic transport is the strength of the sonic boom it generates. The boom created by Concorde was powerful enough to prevent the aircraft from flying supersonically over land, which eliminated many possible passenger routes and contributed to the cancellation of Concorde's American rival, the Boeing 2707. In 2008, JAXA announced it would collaborate with NASA to conduct joint research on sonic boom modeling.[2] In 2023, JAXA conducted tests on a scale model of NASA's Lockheed Martin X-59 experimental supersonic aircraft in their supersonic wind tunnel.[3] The collaboration also started the "Re-BooT" (Robust en-route sonic-Boom mitigation Technology demonstration) project in October 2024 to test a wing surface technology developed to reduce sonic boom on new aircraft designs.[4]

JAXA is also researching hypersonic transport, at speeds exceeding Mach 5, or 6,125 kilometres per hour (3,806 mph), though the goal is not for its use in commercial aircraft to be cost competitive with current aircraft.[5]

## References

1. ↑ Haines, Lester (October 10, 2005). "Japanese supersonic airliner is go". The Register. https://www.theregister.com/2005/10/10/sst_test/.
2. ↑ Sonic E, Japan: JAXA, May 9, 2008, http://www.jaxa.jp/press/2008/05/20080509_sonic_e.html
3. ↑ JAXA | 宇宙航空研究開発機構 (2023-04-04). (English Version)JAXA Activity Report January 2022 - June 2022. Retrieved 2025-10-26 - via YouTube.
4. ↑ "Sky Green+ Re-BooT Project". Aviation Technology Directorate. JAXA. December 6, 2024. https://www.aero.jaxa.jp/eng/research/frontier/sst/reboot.html.
5. ↑ "Supersonic Transport Team", Aviation Program Group (Japan: JAXA), http://www.apg.jaxa.jp/eng/research/stt/stt-index.html

## External links

* JAXA official site Script error: The function "in_lang" does not exist.

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Supersonic transport

* Civil aviation
* Supersonic aircraft
* list

Withdrawn
from service|

* Concorde
* Tupolev Tu-144

Historic
projects|

| Airliners|

* Boeing 2707
* Bristol Type 223
* Convair Model 58-9
* Douglas 2229
* High Speed Civil Transport
* LAPCAT
* Lockheed L-2000
* Rockwell X-30
* Sud Aviation Super-Caravelle
* Tupolev Tu-244

|

Business jets|

* Aerion SBJ
* SAI Quiet Supersonic Transport
* Sukhoi-Gulfstream S-21
* Tupolev Tu-444

Current
projects|

| Airliners|

* HyperMach SonicStar
* Next Generation Supersonic Transport
* Reaction Engines A2
* Zero Emission Hyper Sonic Transport
* Boom Technology Boom

|

Business jets|

* Aerion AS2
* Gulfstream X-54
* Spike S-512

See also|

* Boom XB-1 Baby Boom
* Lockheed Martin X-59 QueSST
* Quiet Spike

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