Vertical Aerospace Enlists Honeywell for VX4 eVTOL Certification

Manufacturer expands its longtime partnership with Honeywell to certify VX4 components and selects the aerospace firm’s new inceptors.

Jack Daleo

Friday, May 09, 2025 at 08:10 AM ET

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Jack Daleo

Honeywell will help certify two critical systems on Vertical Aerospace’s VX4, an electric takeoff and landing (eVTOL) air taxi designed for four passengers and 130 knots cruise speed. [Courtesy: Vertical Aerospace]

Key Takeaways:

Honeywell has significantly expanded its partnership with Vertical Aerospace to expedite the certification of the VX4 eVTOL, aiming for it to be the U.K.'s first electric air taxi.
The collaboration focuses on certifying critical aircraft systems, including Honeywell's Anthem flight deck, compact fly-by-wire flight control system, and newly selected inceptors for enhanced pilot safety.
Vertical Aerospace intends to certify the VX4's systems to stringent commercial airline standards, aiming for one catastrophic failure per billion flight hours.
Despite previous delays in its certification timeline, Vertical Aerospace maintains ambitious production goals by 2030, with the Honeywell partnership potentially valued at $1 billion if targets are met.

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Aerospace supplier Honeywell is offering its expertise to speed the certification of what could be the U.K.’s first electric vertical takeoff and landing (eVTOL) air taxi.

Manufacturer Vertical Aerospace on Thursday announced it significantly expanded its partnership with Honeywell in a strategic move to greenlight two critical systems for its four-passenger VX4 eVTOL. The partners will collaborate to certify the VX4’s aircraft management system, which includes Honeywell’s Anthem flight deck, and flight control system, built using Honeywell’s compact fly-by-wire system.