Electric Aircraft
Vertical Aerospace VX4 Completes First Wing-Borne Flight Test
Vertical Aerospace’s VX4 eVTOL completes first wing-borne flight, advancing toward 2028 certification for sustainable urban air mobility.
Vertical Aerospace’s VX4 Achieves Milestone with First Wing-Borne Flight
The electric vertical take-off and landing (eVTOL) sector continues to gain momentum, with Vertical Aerospace marking a major milestone in its development roadmap. On 22 May 2025, the UK-based aerospace company successfully completed the first wing-borne flight of its VX4 prototype. This flight not only demonstrated the aircraft’s ability to transition from vertical to conventional flight but also validated critical aspects of its design and performance.
As the global aviation industry shifts toward sustainable, zero-emission solutions, eVTOLs are emerging as a promising alternative for short-haul urban and regional transport. Vertical Aerospace’s VX4 is designed to meet this demand with a focus on safety, efficiency, and environmental responsibility. The successful wing-borne flight marks a pivotal step in the VX4’s path to certification and commercial deployment, positioning the company among the frontrunners in the urban air mobility (UAM) race.
Understanding the VX4 and Its Flight Test Program
Design and Capabilities of the VX4
The VX4 is an all-electric aircraft designed to carry four passengers and a pilot. With a projected range of approximately 100 miles (160 km) per charge and a cruise speed of around 130 knots (240 km/h), the VX4 aims to offer a viable alternative to ground-based transport in congested urban areas. Its hybrid design allows for both vertical take-off and landing (VTOL) and fixed-wing cruise, combining the benefits of helicopters and airplanes.
Key features of the VX4 include low noise emissions, zero operational emissions, and compliance with stringent aviation safety standards. The aircraft’s propulsion system is powered by electric motors, and its aerodynamic design supports efficient wing-borne flight, which is essential for extending range and reducing energy consumption.
Vertical Aerospace plans to conduct a series of test flights in different configurations. The current phase involves conventional take-off and landing (CTOL) flights, with around a dozen such sorties planned before transitioning to full VTOL testing. These tests are crucial for collecting performance data and refining digital models used in the aircraft’s development.
“The VX4 handled beautifully, and the transition to fixed-wing flight was smooth and stable, giving us confidence in the aircraft’s design and control systems.”
– Si Davies, Chief Test Pilot, Vertical Aerospace
Details of the Wing-Borne Flight
The milestone flight took place at Vertical Aerospace’s Kemble test facility in southwest England. According to chief test pilot Si Davies, the VX4 rotated at 85 knots and cruised at approximately 100 knots during the flight, which ventured beyond the airfield for the first time. The approach was performed at 95 knots, and future tests are expected to push cruise speeds to 120 knots, nearing the 130-knot target for the production model.
Davies praised the aircraft’s responsiveness and natural handling, noting that the propulsion system performed as predicted. “It is very responsive in acceleration along the runway, it got into the air very quickly indeed,” he said. The aircraft’s performance during this flight validated pre-flight modeling related to drag and motor output, reinforcing confidence in the VX4’s design.
Leading up to the wing-borne flight, the team conducted extensive low-speed taxi tests, including multiple runs at speeds just below take-off velocity. These preparations were essential for ensuring readiness and safety, both for the aircraft and the test crew.
Next Steps in the Flight Test Campaign
Following the initial wing-borne flight, Vertical Aerospace plans to expand the flight envelope with additional sorties in CTOL mode. These will incrementally increase flight duration and speed to further validate battery and motor performance under varied conditions. The goal is to build a robust dataset that supports eventual certification and commercial readiness.
The next major milestone in the test program is the transition from thrust-borne (hover) to wing-borne flight while operating in full VTOL mode. This complex maneuver represents the final phase of the flight-test plan and is expected to occur in the second half of 2025. Achieving a seamless transition is critical for demonstrating the VX4’s operational versatility.
In parallel, Vertical Aerospace is preparing a second VX4 prototype for flight testing. This aircraft will join the test fleet in the coming months, allowing the company to accelerate data collection and refine its models. The company has stated a target certification date of 2028, aligning with evolving regulatory frameworks for eVTOL aircraft.
Industry Implications and Competitive Landscape
Urban Air Mobility and Market Context
The VX4’s progress reflects broader trends in the eVTOL industry, which is projected to become a multi-billion-dollar market by 2030. Factors driving this growth include urban congestion, environmental concerns, and advancements in electric propulsion and autonomous flight technologies. Companies like Joby Aviation, Lilium, and Archer Aviation are also racing to bring certified eVTOLs to market, creating a competitive yet collaborative ecosystem.
Vertical Aerospace’s approach emphasizes certification under existing aviation regulations, working closely with the UK Civil Aviation Authority (CAA). This strategy may offer a more streamlined path to market compared to companies pursuing novel certification categories. The CAA’s approval of the recent test flight underscores the regulator’s confidence in the VX4’s development process.
Successful demonstration of wing-borne flight is a key differentiator in the eVTOL space. While many prototypes can hover, transitioning to efficient fixed-wing flight is essential for achieving the range and speed necessary for commercial viability. The VX4’s hybrid design addresses this challenge directly, offering a blend of performance and operational flexibility.
Technical and Operational Challenges
Despite recent successes, challenges remain. Battery energy density continues to limit range and payload capacity for electric aircraft. Vertical Aerospace must also ensure that its aircraft can operate safely in diverse weather conditions and integrate seamlessly into existing air traffic management systems.
Another hurdle is public acceptance and infrastructure readiness. Urban air mobility requires dedicated vertiports, charging infrastructure, and robust flight planning tools. While technology is advancing rapidly, the supporting ecosystem must evolve in parallel to enable widespread adoption.
Vertical Aerospace is addressing these issues through partnerships and simulations. The company is leveraging digital twin technology to model real-world performance and collaborating with stakeholders to plan future operational scenarios. These efforts aim to de-risk deployment and build confidence among regulators, operators, and the public.
Conclusion
The first wing-borne flight of Vertical Aerospace’s VX4 prototype marks a significant achievement in the journey toward sustainable urban air mobility. The successful transition from ground to fixed-wing flight validates the aircraft’s design and sets the stage for more complex test scenarios. With additional flights planned and a second prototype on the way, Vertical is steadily building momentum toward certification.
Looking ahead, the VX4’s development will be closely watched as a bellwether for the eVTOL industry. As regulatory frameworks solidify and infrastructure begins to take shape, aircraft like the VX4 could redefine short-haul transport in cities worldwide. The combination of zero emissions, reduced noise, and operational flexibility makes eVTOLs a compelling solution for the future of mobility.
FAQ
What is the VX4?
The VX4 is an electric vertical take-off and landing (eVTOL) aircraft developed by Vertical Aerospace. It is designed to carry four passengers and a pilot over short distances with zero emissions.
What was significant about the recent flight?
The VX4 completed its first wing-borne flight, transitioning from ground take-off to conventional fixed-wing flight. This validated key aspects of its design and performance.
When is the VX4 expected to be certified?
Vertical Aerospace is targeting certification for the VX4 in 2028, pending successful completion of flight testing and regulatory approvals.
How does the VX4 compare to other eVTOLs?
The VX4 combines vertical take-off capabilities with efficient fixed-wing cruise, offering a balance of range, speed, and operational flexibility. It competes with models from Joby Aviation, Lilium, and others.
What are the next steps in the VX4 test program?
Vertical Aerospace will conduct additional CTOL flights before transitioning to full VTOL testing, including thrust-to-wing-borne transitions later in 2025.
Sources
Photo Credit: VerticalAerospace
Electric Aircraft
Sora Aviation Completes S-1 Subscale VTOL Flight Testing
Sora Aviation completed subscale VTOL flight testing for its 30-seat S-1 eVTOL in Wales, targeting a full-scale prototype flight in 2028.
This article summarizes reporting by eVTOL Insights by Jason Pritchard.
British electric aviation developer Sora Aviation announced on June 25, 2026, the successful completion of a subscale vertical take-off and landing (VTOL) flight testing program for its proposed 30-seat S-1 aircraft at the Snowdonia Aerospace Centre in Wales. The campaign generated critical flight data that will directly inform the design of the full-scale prototype, which is targeted to fly in 2028.
According to reporting by eVTOL Insights, the subscale demonstrator completed dozens of flights over several months. The testing allowed engineers to evaluate the aircraft’s stability, control, and flight characteristics during repeated VTOL operations in a lower-risk environment. This milestone is intended to de-risk the technology before the company begins construction on the full-scale prototype.
Subscale testing and validation strategy
Sora Aviation Chief Executive Officer Furqan Afzal emphasized the company’s comprehensive approach to development. As reported by eVTOL Insights, Afzal stated the manufacturers invested in a rigorous validation strategy that combines simulation, laboratory testing, wind tunnel campaigns, and representative flight demonstrators.
“This milestone demonstrates the maturity of our development approach and the strength of the engineering foundations underpinning the S-1 programme,” Afzal said.
The data gathered at the Welsh testing facility will be used to refine the S-1’s engineering foundations. Aerospace Global News reported that Afzal views the flight data as validation of the aircraft’s potential, noting that the results reinforce the company’s confidence that the S-1 can deliver the required performance, safety, and economics for advanced air mobility operations.
S-1 program timeline and commercial milestones
The S-1 is designed as a 30-seat electric vertical take-off and landing (eVTOL) aircraft. Aerospace Global News reported that the full-scale prototype is projected to make its first flight in 2028. The flight testing milestone follows earlier component validation efforts. On January 20, 2026, Sora Aviation began testing the S-1’s energy storage system at a bespoke battery performance laboratory at the IAAPS centre, in collaboration with the University of Bath.
The company has also secured early commercial interest and explored alternative applications for the airframe. In March 2025, South Korean charter operator Moviation signed a pre-order agreement for 20 S-1 aircraft, intending to deploy them on high-demand airport shuttle routes, according to Aviation International News. Aviation Week reported in May 2026 that Sora Aviation was studying a conceptual hybrid-electric variant of the 30-seat aircraft for potential use as a United Kingdom Navy helicopter.
AirPro News analysis
We view the completion of subscale flight testing as a standard but essential risk-reduction step for any novel eVTOL configuration. By validating aerodynamic models and flight control laws on a subscale airframe, Sora Aviation can identify and correct stability issues before committing to the high costs of full-scale prototype manufacturing. The 30-seat capacity of the S-1 places it in a larger size category than many competing eVTOL designs, which typically target four to six passengers. This larger payload requirement will place significant demands on the aircraft’s battery and thermal management systems, making the concurrent testing at the IAAPS centre critical to the program’s viability.
Sources: Sora Aviation
Photo Credit: Sora Aviation
Electric Aircraft
VÆRIDION Microliner Passes PDR With 100+ Commitments
VÆRIDION completes Preliminary Design Review for its electric Microliner, securing 100+ commitments ahead of a 2027 first flight target.
Munich-based manufacturer VÆRIDION has secured more than 100 commitments for its all-electric Microliner aircraft following the successful completion of the program’s Preliminary Design Review (PDR) on June 11, 2026.
The milestone freezes the basic design of the nine-passenger commuter aircraft, allowing the engineering team to transition into detailed design and hardware fabrication. According to a company press release, the accumulation of over 100 commitments signals growing market confidence as VÆRIDION targets a 2027 first flight and commercial entry into service by 2030.
Engineering milestones and prototype development
The completion of the PDR marks a critical phase for the clean-sheet electric-aviation conventional takeoff and landing (eCTOL) aircraft. The Microliner features a glider-inspired wing design that integrates modular battery systems, paired with multi-engine, single-propeller propulsion.
With the preliminary design frozen, VÆRIDION is advancing toward building its first conforming prototype. The company has established a supply chain featuring several established aerospace manufacturers. Evolito will provide the electric propulsion systems, while MT-Propeller and GKN Aerospace are supplying key components. On April 23, 2026, VÆRIDION announced the selection of Garmin G600 TXi flight displays for the initial test aircraft, a decision Chief Technology Officer Markus Kochs-Kämper noted would meet the specific avionics requirements of the test campaign.
Industrialization and production targets
To support the transition from design to physical hardware, VÆRIDION has been expanding its physical footprint and capital reserves. On March 13, 2026, the company inaugurated its first manufacturing facility and test house at Oberpfaffenhofen Airport in Germany, occupying a site previously utilized by Lilium.
Chief Executive Officer Ivor van Dartel stated in April 2026 that the company was in execution mode and actively fundraising to contract the next stages of development. VÆRIDION has applied for development assistance through the European Union Innovation Fund, backed by the European Investment Bank, to support industrialization efforts at the Oberpfaffenhofen factory. The manufacturer is ultimately targeting a production rate of 40 to 50 aircraft per year.
Operational capabilities and certification path
The Microliner is designed to serve regional commuter routes with a maximum range of 400 kilometers under Instrument Flight Rules (IFR) conditions. The aircraft aims to provide zero-emission regional connectivity, a sector drawing increased attention from operators looking to reduce carbon footprints on short-haul networks.
VÆRIDION is working toward certification with the European Union Aviation Safety Agency (EASA). The regulatory approval process is scheduled to align with the company’s target of a 2030 entry into service.
AirPro News analysis
Securing 100 commitments at the PDR stage provides VÆRIDION with crucial market validation as it enters the capital-intensive prototype fabrication phase. While the eCTOL market is less crowded than the electric vertical takeoff and landing (eVTOL) space, the technical challenges of battery energy density and weight remain significant hurdles for any electric regional aircraft.
We note that VÆRIDION’s strategy of partnering with established aerospace suppliers like Garmin and GKN Aerospace reduces some developmental risk compared to a fully vertically integrated approach. However, maintaining the timeline for a 2027 first-flight will depend heavily on the success of the company’s current fundraising rounds and the timely delivery of conforming components to the Oberpfaffenhofen facility.
Sources: VÆRIDION
Photo Credit: VÆRIDION
Electric Aircraft
AIR selects Dynon Avionics for exclusive eVTOL avionics integration
AIR partners with Dynon Avionics to customize SkyView HDX for its eVTOL aircraft, targeting FAA certification in 2026.
This article is based on an official press release from AIR via PR Newswire.
On June 3, 2026, Israeli electric vertical takeoff and landing (eVTOL) manufacturer AIR announced a strategic partnership with U.S.-based Dynon Avionics. According to the company’s official press release, Dynon will serve as the exclusive avionics provider across AIR’s entire smart aircraft portfolio.
This collaboration bridges the gap between traditional general aviation and the emerging Advanced Air Mobility (AAM) sector. By adapting Dynon’s widely utilized SkyView HDX flight display system for electric powered-lift operations, AIR aims to streamline the piloting experience for its upcoming vehicles while relying on proven aerospace technology.
The integration agreement covers both the piloted AIR ONE, a two-seat personal eVTOL designed for private ownership, and the uncrewed AIR ONE Cargo, a heavy-lift unmanned aerial system (UAS) utilized by defense and logistics organizations.
Adapting Proven Avionics for Electric Flight
Rather than developing a proprietary flight display from scratch, AIR has opted to customize Dynon’s flagship SkyView HDX avionics platform specifically for its eVTOL architecture. Originally introduced in 2016 for experimental and light sport airplanes, the SkyView HDX system features touchscreens that combine a primary flight display, moving-map navigation, synthetic vision, autopilot, and ADS-B traffic and weather data.
Customizing for eVTOL Operations
Because the AIR ONE utilizes electric propulsion rather than a traditional piston engine, Dynon’s engineering team adapted the SkyView HDX to meet the unique demands of powered-lift flight. According to the release, the customized system tracks electric propulsion metrics and battery energy management, ensuring pilots have clear, intuitive access to critical flight data.
“SkyView HDX is built to adapt to evolving aircraft architectures. Partnering with AIR allows us to take the proven reliability of SkyView HDX, which pilots rely on daily, and extend it directly into the advanced air mobility space.”
AIR’s Path to Commercialization and Manufacturing
AIR is positioning itself uniquely within the AAM market by focusing on personal and cargo air mobility rather than commercial air taxi services. The company’s flagship product, the AIR ONE, is designed as a “flying sports car” for private owners. According to company specifications, the aircraft features a target range of 100 miles, cruise speeds up to 155 mph, and a payload capacity of 550 pounds.
Production and Financial Traction
The avionics partnership comes at a time of significant growth for the Israeli manufacturer. As of March 2026, AIR reported surpassing $1 billion in its order backlog. This figure represents over 3,300 waitlisted customers, including 3,290 reservations specifically for the AIR ONE personal eVTOL. Furthermore, the company stated it has already generated over $35 million in booked revenue, primarily driven by deliveries of its heavy-lift UAS variants.
To support this backlog, AIR transitioned to commercial-scale serial manufacturing in July 2025 by opening a 32,000-square-foot production facility in Pardes Hanna, Israel. The company notes that this facility is capable of assembling up to six aircraft simultaneously.
“From the start, AIR has focused on making advanced flight systems intuitive, safe, and accessible. Working with Dynon allows us to bring proven avionics capability into a fundamentally new aircraft environment that demands more than a standard integration, while keeping the simplicity and operational clarity that define how we think about flight.”
Regulatory Tailwinds: The FAA MOSAIC Rule
The timing of this avionics integration aligns closely with a major regulatory shift in the United States. The Federal Aviation Administration’s (FAA) Modernization of Special Airworthiness Certification (MOSAIC) rule, finalized in July 2025, fundamentally changes how personal aircraft are certified.
Certification Timeline
Previously, Light Sport Aircraft (LSA) regulations excluded powered-lift aircraft and enforced strict weight limits. The MOSAIC rule removes these prescriptive weight limits in favor of performance-based metrics, officially allowing powered-lift aircraft like eVTOLs to be certified in the LSA category. While pilot privileges under MOSAIC took effect in October 2025, the new aircraft certification provisions for manufacturers take effect on July 24, 2026. AIR expects the FAA to approve the AIR ONE under these new rules this year, enabling the company to begin fulfilling its U.S. backlog.
AirPro News analysis
We view this partnership as a prime example of traditional general aviation technology successfully pivoting to support the booming AAM sector. It demonstrates that eVTOL manufacturers do not necessarily need to reinvent the wheel regarding cockpit displays; they can adapt proven, trusted systems to save on development costs and certification hurdles. Furthermore, by integrating a familiar system like Dynon’s SkyView HDX, AIR is strategically lowering the barrier to entry for existing private pilots transitioning to electric aircraft. Finalizing its supply chain and technology stack just ahead of the July 2026 MOSAIC implementation positions AIR favorably to capitalize on the emerging personal eVTOL market.
Frequently Asked Questions (FAQ)
- What is the AIR ONE?
The AIR ONE is a two-seat personal electric vertical takeoff and landing (eVTOL) aircraft designed for private ownership. It features a target range of 100 miles and cruise speeds up to 155 mph. - Why did AIR partner with Dynon Avionics?
AIR selected Dynon to adapt its proven SkyView HDX flight display system for electric powered-lift operations, providing pilots with a familiar, reliable, and intuitive interface for tracking electric propulsion and battery management. - When will the AIR ONE be available in the U.S.?
AIR expects to receive FAA approval for the AIR ONE this year under the new MOSAIC regulations, which take effect for manufacturers on July 24, 2026. This certification will allow the company to begin fulfilling its U.S. order backlog.
Sources: AIR via PR Newswire
Photo Credit: AIR
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