Vertical Aerospace has unveiled the third and final VX4 full-scale engineering prototype for its Valo electric vertical-takeoff-and-landing (eVTOL) air taxi. The piloted aircraft, registered G-EVTB, is designed for hybrid-electric propulsion testing slated for 2026. This milestone demonstrates the company's commitment to advancing urban air mobility, leveraging innovative aircraft design to meet safety and performance standards necessary for future certification and commercial operation.
The VX4 prototype’s development aligns with the broader industry push toward sustainable, efficient urban transportation solutions. The aircraft's design emphasizes safety, performance, and regulatory compliance, as Vertical Aerospace prepares for comprehensive flight testing in the coming year. Industry analyst Graham Warwick notes that these developments are critical for establishing the viability of eVTOL aircraft in densely populated environments.
Vertical Aerospace's final prototype will undergo extensive flight trials to validate its hybrid-electric propulsion system and overall airworthiness. The company aims to demonstrate the aircraft's capabilities and safety to facilitate certification, with the goal of launching commercial services in the next few years. This progress reflects a broader trend of technological innovation and strategic investment in urban mobility solutions, emphasizing the sector's growth potential and regulatory readiness.

