Uncrewed aircraft · Air
Quarterhorse
Hermeus series of uncrewed high-speed test aircraft leading toward a hypersonic jet.
by Hermeus
- Milestones2
- Sources3
- Operators—
- Components—
Photo: Hermeus · Editorial use (company media kit) · Resized and reencoded as WebP; no additional crop or retouching. Credit retained for factual editorial product coverage.
Iterative series of remotely piloted demonstrators (Mk 1, Mk 2 and later) that Hermeus is using to mature high-speed and eventually hypersonic flight.
Timeline2
- MilestoneReported
Mk 1 ground test campaign completed at Edwards
The 21-day campaign included high-speed taxi tests with full afterburner.
SourcesAIN
- MilestoneConfirmed
Quarterhorse Mk 2.1 first flight
First flight of the F100-powered, roughly F-16-sized Mk 2.1, flown at Spaceport America over White Sands Missile Range airspace.
SourcesHermeus
Solid entries are confirmed, outlined reported, dashed estimated or still to come; dotted italic entries are speculative. Dates show only the precision the sources give.
News1
Sources3
- 1.CompanyHermeus Flies Newest Supersonic Plane, Delivering Its Second Successful First Flight in Nine Months
Hermeus · Mar 2, 2026 · Supports: System milestone
“Today's flight kicks off a critical flight test campaign that will ultimately get us to supersonic speeds”
- 2.
AIN · Dec 18, 2024 · Supports: System milestone
“Hypersonic aircraft developer Hermeus completed the ground testing of its Quarterhorse M1 demonstrator this week, paving the way toward first flight.”
- 3.
Hermeus · Supports: System
“Quarterhorse Mk 1 is the first in a series of uncrewed aircraft on Hermeus’ iterative development roadmap.”
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