Hermeus Flies Second Supersonic Test Plane in Nine Months

For the second time in just over nine months, an Atlanta-based company this week debuted a new supersonic test aircraft.
FlightGlobal

Hermeus logs first flight of supersonic-capable Quarterhorse Mk 2.1 in campaign to develop a hypersonic aircraft

US start-up Hermeus has flown its first supersonic-capable aircraft, the Quarterhorse Mk 2.1, marking a significant step ...
Grant County Beat

Hermeus' Supersonic Plane Takes Flight from Spaceport America

Hermeus will continue to move toward its end goal of unlocking sustained ramjet-powered flight through its Quarterhorse Mk 2 program. Ramjets use high-speed airflow to initiate fuel mixing and thrust, ...

Blast-off! Aussie hypersonic aircraft achieves first flight

Brisbane-based aerospace company Hypersonix Launch Systems confirmed that its DART AE hypersonic test aircraft completed the ...

Nominal Accelerates Naval Aviation Testing and Validation for Future Collaborative Combat Aircraft

LOS ANGELES, Feb. 27, 2026 (GLOBE NEWSWIRE) -- Nominal, the software company building the modern test stack to field mission-critical systems faster, supported a recent U.S. Navy flight test ...
VoxelMatters

Hypersonix 3D printed scramjet-powered DART AE completes first hypersonic flight

Hypersonix 3D printed scramjet reaches Mach 5 in historic flight, showcasing groundbreaking hypersonic technology from ...
Vintage Aviation News on MSN

Flight test files: North American F-86 Sabre – The quest for supersonic superiority

The North American F-86 Sabre was not only a Korean War fighter but also a key research aircraft at NACA's High-Speed Flight Station, helping engineers understand pitch-up, stability, and swept-wing ...