Rotorcraft · ICAO JAS4

Joby JAS4-1

The Joby S4 is an electric vertical-takeoff aircraft developed for air-taxi service. It uses six tilting propellers to lift vertically like a helicopter and then cruise on wing-borne lift, aiming to be quieter than conventional rotorcraft. Joby has flown full-scale prototypes and pursued US certification for commercial passenger service. Because it remains a pre-service eVTOL design, any sighting represents a rare test or demonstration aircraft rather than a normal scheduled flight.

Did you know?

Any sighting of a Joby S4 is a test or demonstration flight, since the eVTOL air taxi has yet to enter commercial passenger service.

Specifications

Length6.7 m (22 ft)
Height3.4 m (11 ft)
Maximum passengers4
Crew1
Range130 NM (241 km)
Maximum speed175 kt (324 km/h)
Service ceiling10,000 ft (3,048 m)
Engines6x electric propulsors
Units built3

Curated by CatchFlights from manufacturer documents, ICAO Doc 8643 and reference works; values are left out where no source could confirm them. Sources are listed on our credits page.

In CatchFlights

In CatchFlights the Joby JAS4-1 starts as a Legendary catch. The tier is an editorial judgement of how special a sighting of this type is. The more often you catch it, the closer it moves to Common for you. The first catch of a legendary type pays a bonus of its own.

A catch counts for the manufacturer Joby, the JAS4-1 family and the model in your collection, and the daily Type Rating quiz asks about the types of each family.

Catch it yourself.CatchFlights shows the aircraft flying near you on a radar, so a type like this one is only a catch away when it passes overhead. Explore CatchFlights.

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