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AltoVolo Unveils Sigma: The Quiet Personal Airplane Revolution

1/18/2026

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Summary

Story summary

AltoVolo introduced the Sigma, a hybrid electric aircraft designed for personal flight with vertical takeoff and landing.
It offers 500 miles of range, 220 mph cruise, seats three, and features triple-redundant flight controls.
AltoVolo markets the Sigma as a personal mobility tool emphasizing user control over travel.
AltoVolo claims the Sigma is over 80% quieter than conventional helicopters, making it suitable for residential areas.

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Story summary

AltoVolo introduced the Sigma, a hybrid electric aircraft designed for personal flight with vertical takeoff and landing.
It offers 500 miles of range, 220 mph cruise, seats three, and features triple-redundant flight controls.
AltoVolo markets the Sigma as a personal mobility tool emphasizing user control over travel.
AltoVolo claims the Sigma is over 80% quieter than conventional helicopters, making it suitable for residential areas.