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eVTOL & AAM intelligence
Look beyond the headline numbers. Compare specifications, evidence and certification milestones for up to three aircraft.
Choose up to three variants. Your selection and units are saved in the page URL.
Select an aircraft below
Select an aircraft below
Targets and reported specifications can use different mission assumptions. Source conditions appear in the table; these bars do not rank aircraft.
A radar needs at least three shared specifications with the same evidence label.
0 qualifying axes in this selection. Missing values are excluded, never converted to zero.
| Specification | S4S4 |
|---|---|
| Configuration | Tiltrotor |
| Energy source | Battery electric |
| Operation | Piloted |
| Programme status | Development |
| Total occupants | 5 |
| Passenger seats | 4Manufacturer targetPublished design specification; not a certified operating limit.Joby Aviation |
| Onboard pilots | 1Manufacturer targetPublished design specification; not a certified operating limit.Joby Aviation |
| Cruise speed | |
| Maximum speed | 322 km/hManufacturer reportPublished maximum 200 mph.Joby Aviation |
| Published maximum range | |
| Typical mission range | |
| Demonstrated range | |
| Payload | |
| Maximum takeoff weight | 2,400 kgManufacturer reportPublished rounded metric MTOW.Joby Aviation |
| Altitude / ceiling | 3,048 mManufacturer reportPublished maximum operating altitude: 10,000 ft.Joby Aviation |
| Propellers / rotors | 6Manufacturer targetPublished design specification; not a certified operating limit.Joby Aviation |
| Battery capacity | |
| Charge time | |
| Noise | 45 dBAManufacturer reportManufacturer acoustic figure during cruise at 500 m; not comparable with near-field takeoff measurements.Joby Aviation |
| Jurisdiction-specific milestones | FAA · Development / testing 2026-09-10 · Texas eIPP flight campaign begins Joby Aviation |