“Receiving our Permit to Fly and starting Phase 4 marks a defining moment for Vertical Aerospace. Our team has spent months verifying every core system under close regulatory oversight, reflecting our unique and robust approach to certification. Phase 4 is a critical demonstration of the VX4’s unique tiltrotor capability and a major technical and certification unlock.” Source: Stuart Simpson, CEO of Vertical Aerospace, celebrating their receiving a Permit to Fly from the CAA, the UK’s Civil Aviation Authority, and has begun “Phase 4 – Transition” flight testing, the final phase of the flight test program for Vertical’s VX4 prototype.
