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Robot 500 › Air taxis (eVTOL) › Joby S4

Air taxis (eVTOL)

Joby S4

Joby Aviation · Pilot with customers

One of 2 ranked eVTOL air taxis (too few for positions)

October ranking

Score55.9
Performance61
Real-world proof45
Evidence gradeB60% of the category's performance figures sourced

Full specifications and sources on RankedRobot ↗

Joby S4
Photo: RuinDig/Yuki Uchida / Wikimedia Commons (resized)

Joby S4 by Joby Aviation is one of 2 ranked eVTOL air taxis (too few for positions) in the Robot 500 October ranking, with a score of 55.9 out of 100 (performance 61, real-world proof 45, evidence grade B). Its strongest published figure is range: 241.4 km, the best of the 2 ranked eVTOL air taxis that publish it. It is deployed with customers in pilots, with a published safety or regulatory certification. Its maker has not published figures for cruise speed and payload, which holds the rank back; publishing them is the fastest way to move up.

Figures behind the rank

Range241.4 kmMaker
Cruise speedNot published
Top speed322 km/hMaker
Passengers4 personsMaker
PayloadNot published

Best sourced figure across editions. Maker-stated figures count in full, reported figures half, unconfirmed ones not at all. Sources for every figure are on the RankedRobot spec page.

Real-world proof

  • Commercial status: shipping 50, pre-order 30, pilot deployment with customers 30 (30/50)
  • Deployment or shipment figures published (units deployed) (0/20)
  • Safety or regulatory certification published (e.g. ISO/IEC safety standards, aviation type certification progress) (15/15)
  • Durability rating published (IP rating) (0/10)
  • At least one figure independently verified (test lab, regulator, peer-reviewed paper) (0/5)

Rank history

  • October 2026ranked 55.9

Nearest rivals