Joby S4 - program supplier guide | Airframer

Joby S4

In production

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1 pilot + 4 passenger eVTOL with 6 propellers that transition to forward flight, capable of a maximum cruise speed of 200 mph. Includes variant S2 with 12 propellers, and technology demonstrator / pre-production models Joby S4 Generaton 1.0 / 2.0 respectively.

Photo: Joby Aviation

Lift type

Tilt-rotor

Construction

Factory-built

Control

Piloted

Engine type

Electric

Application

Experimental, Urban air mobility

Final assembly

Dayton (James M Cox International) ·

Design & construction

Primary structure

Composite

Wing

Composite

Landing gear

Retractable tricycle

Ice protection

None

Pressurisation

Unpressurised

Flight controls

Full FBW digital

Autopilot

3-axis

Avionics architecture

Integrated glass suite

Environmental control

None-unpressurised

Minimum crew

Composite wing (primary structure) Primary Composite fuselage (primary structure) Primary Synthetic vision Standard

Technical reference compiled with AI research; a value appears only where two independent research passes and a web fact-check agree. Gaps are deliberate.

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Type variants

Variant	Launch / first flight	Production end	Notes
Joby S2	2014 /	2015	Two-seater eVTOL with 12 propellers, development ceased in favour of S4.
Joby S4	2015 / 2017		Five-seater tilt-rotor eVTOL.
Joby JAI 30	2025 / 2025		Hydrogen-electric unmanned development with SuperPilot autonomy. Also referred to as turbine electric, autonomous VTOL demonstrator or S4-T.

Airframer

Joby Aviation, Inc.

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Program milestones 72 dated events

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Information on this page is compiled from a variety of published sources; links do not necessarily imply recommendation or confirmation by the airframe manufacturer.