AltoVolo unveils Sigma, a hybrid and personal eVTOL that can take off from homes instead of vertiports and terminals.The aircraft is designed for point-to-point locations, owners can land it on surfaces like driveways, rooftops, and yachts.The design features a patent-pending tilting electric jet propulsion system and a safety mechanism for stable flight during jet failure.AltoVolo's hybrid eVTOL Sigma plans to start operating in 2025 with a flight range of up to 510 miles and a top speed of 290 miles per hour.