AltoVolo Building Full-Scale Demonstrator, Targets First Flight By Year-End
The Sigma is designed for a range of 500 mi., a top speed of 220 mph and a maximum takeoff weight of 980 kg.
Credit: AltoVolo
UK startup AltoVolo has begun production of a full-scale demonstrator for its Sigma hybrid-electric vertical-takeoff-and-landing aircraft, with completion planned by the end of 2026 as the company prepares for initial flight testing. The company recently completed a preliminary design review for...
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