S4

All numbers retain their evidence label and measurement context. Maximum, typical mission and demonstrated ranges are separate fields.

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

Total occupants

5Passengers + onboard pilots, where both are verified.

Certification & flight milestones

Approvals are recorded for this variant and authority. A test flight, company approval or target date is not a type certificate.

1. 10 Sept 2026FAA · Development / testing

   Texas eIPP flight campaign begins

   Demonstration flights. Manufacturer also reports ongoing TIA testing; type approval remains in progress.

   Joby Aviation