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 accelerate the certification of its VX4 eVTOL, aiming for it to be the U.K.'s first electric air taxi.
The collaboration will focus on certifying critical systems including the VX4's aircraft management system (featuring Honeywell's Anthem flight deck) and flight control system (using compact fly-by-wire), alongside new Honeywell-designed inceptors for enhanced pilot safety.
Vertical Aerospace is targeting stringent commercial airline-level safety standards for the VX4, with an updated entry into service by 2028 despite previous delays, supported by ambitious production goals and significant pre-orders.

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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.