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Vertical Aerospace·GB·eVTOL air-taxi

VX4 (Valo).

UK tiltrotor eVTOL in Phase 4 transition testing; dual CAA/EASA certification target 2028.

Testing

Certification: UK CAA Design Organisation Approval (DOA) held; Permit to Fly granted; type certification target 2028 concurrent UK CAA + EASA

Verified 2026-06-17

Technical subsystems

  • propulsion

    Tiltrotor distributed electric propulsion; Honeywell Anthem flight deck, compact fly-by-wire flight control system; proprietary battery with 20% greater power than prototype 1.

  • avionics

    Honeywell Anthem flight deck and fly-by-wire system; safety-enhancing inceptors.

  • structures

    Carbon fiber composite propellers (redesigned for lower noise); large flexible airframe supporting 4- or 6-seat cabin and hybrid-electric option.

Sourced metrics

Range (miles)
100 mi
Cruise speed (mph)
150 mph
Passenger seats
4 pax

Roadmap

TODAY2026-06-192025-09Phase 3 wingborne flight testing completedAchieved2026Phase 4 transition flight testing completion (thrust…On track2028Type Certification (CAA + EASA) and entry into servi…Planned
AchievedOn trackSlippedPlannedCanceled