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 is significantly expanding its partnership with Vertical Aerospace to accelerate the certification of the U.K.'s first eVTOL air taxi, the four-passenger VX4.
The collaboration focuses on certifying critical systems for the VX4, including Honeywell's Anthem flight deck, compact fly-by-wire flight control system, and newly designed inceptors for improved pilot safety.
Vertical Aerospace aims to certify the VX4 by 2026 to commercial airline safety standards, despite previous delays and a prototype crash in 2023.

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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.