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NASA’s X-59 preps second flight to validate low‑boom sonic signature ahead of expanded 2026 campaign

NASA is preparing the X-59 experimental low‑boom demonstrator for a second flight from Edwards AFB to further validate a quieter sonic‑boom signature that could enable overland supersonic operations. The sortie — targeting about 260 mph at 20,000 ft — will set the pace for an expanded 2026 flight‑test campaign.

Discovered 2026-03-17T14:09:33.847484-07:00 | 2026-03-17T14:09:33.847484-07:00

Briefing

What Hype is tracking

The second flight advances the program objective to demonstrate a reduced sonic‑boom profile that, if confirmed by flight data, underpins efforts to permit supersonic operations over land; see NASA's recent X‑59 post‑test work (source:7b424daa-0ab9-495f-9472-14254aa091b9).
This sortie — flown at roughly 260 mph and 20,000 ft — provides acoustic and performance data that will determine the scope and timing of the broader 2026 test campaign and validation milestones (source:7b424daa-0ab9-495f-9472-14254aa091b9).
The X‑59 effort sits alongside other NASA flight‑test research into advanced aerodynamic and drag‑reduction concepts, reinforcing the agency's role in supplying empirical data for next‑generation commercial and military aircraft design choices (source:32e78d91-a905-4aed-b6b9-5058e2b1b3f3).

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