DARPA’s Sprint Program Advances as Bell’s Stop-Fold Tiltrotor Becomes X-76 Written 10 March 2026
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Artist’s concept for the SPRINT X-76 | Credit: Colie Wertz; DARPA
Aviation Week reports, “The stop-fold tiltrotor uncrewed aircraft under development by Bell for a DARPA project to fly a high-speed vertical-takeoff-and-landing (VTOL) demonstrator has been designated the X-76. Under Phase 2 of DARPA’s Speed and Runway Independent Technologies (Sprint) project, Bell has completed the critical design review (CDR) and moved into manufacturing of the demonstrator.”
Full Story (Aviation Week)