Hypersonic   Policy & Regulation  

FAA approves Hermeus’ Quarterhorse Mk 2.2 for supersonic flight testing

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The FAA has approved Hermeus to conduct supersonic flights with its Quarterhorse Mk 2.2 aircraft. The hypersonic startup has already broken the sound barrier with its Mk 2.1 jet, marking another regulatory milestone for its aircraft development program.

Discovered 2026-09-10T11:36:42.064970-07:00 | 2026-09-10T11:36:42.064970-07:00

Briefing

What Hype is tracking

  • The approval allows Hermeus to advance flight testing of the Quarterhorse Mk 2.2 at supersonic speeds.
  • Hermeus’ earlier Mk 2.1 flight and this authorization indicate continued progress toward its hypersonic aircraft development objectives.
  • The FAA action highlights the regulatory pathway emerging for privately developed high-speed aircraft.

Reported By

FlightGlobal
Sources Tracked
1
First Seen
2026-09-10T11:36:42.064970-07:00
Latest Update
2026-09-10T11:36:42.064970-07:00
Coverage
Aviation

Sources

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