Technology & Innovation
Vertical Aerospace advances VX4 flight testing targeting 2028 certification
Vertical Aerospace’s VX4 eVTOL nears transition flight testing as it targets certification in 2028 with focus on safety and innovation.

Vertical Aerospace Gears Up for Critical Flight Phase, Targeting 2028 Certification
The Advanced Air Mobility (AAM) sector is watching closely as Vertical Aerospace (NYSE: EVTL) prepares to enter a pivotal stage of its VX4 aircraft’s development. The UK-based firm announced in its third-quarter update on November 4, 2025, that it is on the cusp of beginning transition flight testing, a critical step toward certifying its electric Vertical Take-Off and Landing (eVTOL) aircraft. This phase will test the VX4’s ability to shift from vertical, helicopter-like flight to conventional, wing-borne flight, a fundamental capability for eVTOL designs. The successful completion of this phase is a significant milestone on the path to commercial operations.
Vertical’s progress underscores a broader industry trend of moving from design and prototyping to the rigorous, multi-year process of Certification. The company’s target for certifying its all-electric VX4 is now set for 2028, a timeline that reflects the complexities of meeting stringent aviation safety standards. This journey is not just a technical challenge but also a significant financial undertaking. Vertical has emphasized its commitment to financial discipline, maintaining its 2025 net operating cash outflow guidance of $110–$125 million. This focus on capital efficiency is crucial in a competitive landscape where numerous companies are vying to bring eVTOLs to market.
The company’s strategy is built on a foundation of deep collaboration with regulatory bodies. Vertical’s engineering and test teams have been working closely with the UK’s Civil Aviation Authority (CAA), having already satisfied 200 of the CAA’s Minimum Safe Aircraft requirements. This proactive engagement, combined with strategic additions to its leadership, signals a clear focus on navigating the complex regulatory pathway that lies ahead. The recent appointment of the former head of the European Union Aviation Safety Agency (EASA) to its board further solidifies this commitment.
The Path to Certification and Flight Testing Momentum
The upcoming transition flight tests represent the culmination of extensive preparation. Vertical Aerospace has stated that this crucial phase could begin “as soon as this week,” with the ultimate goal of achieving full transition flights before the end of 2025. This is the moment where the aircraft’s innovative design is proven in the air, demonstrating its seamless shift from vertical lift, powered by its four tilting front rotors, to forward flight, propelled by its four rear rotors and supported by its wings. It’s a make-or-break step that validates the core principles of the VX4’s design.
Looking beyond the immediate milestones, Vertical is also planning for the future of its platform. Testing for a hybrid-electric variant of the VX4 is scheduled for 2026. This parallel development track indicates a pragmatic approach, acknowledging the current limitations of battery technology and the market’s need for aircraft with greater range and mission flexibility. The hybrid model is intended to broaden the VX4’s operational capabilities, potentially opening up new routes and use cases that are beyond the reach of purely electric aircraft today.
The certification timeline of 2028 is an ambitious but structured goal. The process is methodical, with key stages like the Preliminary Design Review (PDR) already completed for 75% of the aircraft’s components. The next major step is the Critical Design Review (CDR), expected in mid-2026, which will lock in the final design and supply chain. This structured approach, working in lockstep with regulators, is essential for ensuring the VX4 meets the highest safety standards required for commercial passenger service.
The appointment of Patrick Ky, former Executive Director of the European Union Aviation Safety Agency (EASA), to the Board of Directors brings a wealth of regulatory and certification experience, reinforcing the company’s focus on navigating the complex path to market.
Aircraft Design and Strategic Business Planning
Alongside its testing progress, Vertical has offered a first look at the VX4’s cabin design, which it claims will be the largest in its class. The design emphasizes space and flexibility, featuring a standard four-passenger layout with a unique option for a six-seat configuration. The inclusion of an observer seat next to the pilot and a dedicated cargo hold capable of carrying both cabin and check-in sized bags highlights a focus on practical, real-world applications. With a target payload capacity of 550kg (over 1,200 lbs), the VX4 is being positioned as a versatile aircraft for urban and regional air mobility.
The company’s Manufacturing strategy is equally deliberate, based on a modular, kit-assembly model. This approach is designed for scalability and efficiency. Initial low-rate production will take place at an expanded facility at Cotswold Airport, which is expected to produce more than 25 VX4 aircraft annually. This measured ramp-up allows Vertical to refine its production processes while moving through the final stages of certification, ensuring that it is ready to meet market demand once the aircraft is approved for service.
From a business perspective, Vertical maintains a strong, albeit conditional, Orders book of approximately 1,500 pre-orders from major Airlines and operators like American Airlines and Japan Airlines. It is important to note that these pre-orders are not legally binding and can be terminated without penalty, a common practice in the nascent eVTOL industry. The company’s financial strategy remains focused on prudent cash management, as detailed during its Capital Markets Day on September 17, 2025, where it outlined the anticipated capital required to reach certification in 2028.
Conclusion: A Disciplined Approach to an Ambitious Goal
Vertical Aerospace’s third-quarter update paints a picture of a company making steady, calculated progress toward its goal of pioneering electric aviation. The imminent start of transition flight testing is a critical validation point for its VX4 aircraft, while the clear roadmap toward a 2028 certification provides a tangible, albeit challenging, target. The company’s dual focus on both all-electric and hybrid-electric variants demonstrates a strategic foresight, preparing for a market that will demand both zero-emission performance and extended operational range.
The journey ahead is long and capital-intensive, and the entire AAM sector faces significant hurdles in terms of regulation, public acceptance, and infrastructure development. However, Vertical’s disciplined financial management, strong regulatory engagement, and focus on a practical, high-capacity aircraft design position it as a serious contender in this transformative industry. As the VX4 takes to the skies for its transition flights, it carries not just the ambitions of a single company, but a significant part of the broader vision for a new era of aviation.
FAQ
Question: What is the VX4?
Answer: The VX4 is a piloted, zero-operating-emissions, electric Vertical Take-Off and Landing (eVTOL) aircraft being developed by Vertical Aerospace. It is designed to carry a pilot and four to six passengers.
Question: When does Vertical Aerospace expect to certify the VX4?
Answer: The company is targeting certification for the all-electric VX4 aircraft in 2028.
Question: What is “transition flight testing”?
Answer: It is a critical flight phase for an eVTOL aircraft where it demonstrates its ability to shift from vertical, lift-based flight (like a helicopter) to horizontal, wing-borne flight (like a conventional airplane).
Question: Does Vertical Aerospace have any orders for the VX4?
Answer: As of November 4, 2025, the company reports approximately 1,500 pre-orders for the VX4. However, these pre-orders are not legally binding.
Sources
Photo Credit: Vertical Aerospace
Technology & Innovation
Archer Aviation Launches No Roads eVTOL Tour Ahead of LA28
Archer Aviation begins its No Roads flight tour in Northern California, expanding to LA, Texas, and Florida ahead of the 2028 Olympics.

Archer Aviation Inc. announced the launch of its “No Roads” flight tour on September 3, 2026, initiating a multi-state demonstration of its Midnight electric vertical takeoff and landing (eVTOL) aircraft. The tour aims to introduce the public to electric air taxi operations ahead of the 2028 Los Angeles Olympic Games and fulfills the company’s role in a federal integration initiative.
In a press release issued on September 3, 2026, the manufacturer detailed plans to conduct city-to-city flights starting in Northern California, closely coordinated with the Federal Aviation Administration (FAA). The campaign follows a highly active testing period in August 2026, during which Archer completed more than 70 test flights, including a piloted roundtrip journey between Salinas Municipal Airport (SNS) and Monterey Regional Airport (MRY).
Expanding the flight test footprint
The initial phase of the tour will focus on the San Francisco Bay Area and surrounding regions. Planned flight locations include Monterey, Hollister, San Martin, San Jose, Oakland, and San Francisco. Following the Northern California demonstrations, Archer intends to expand the tour to the Los Angeles basin, Texas, and Florida.
The flights are designed to showcase the operational capabilities of the piloted, four-passenger Midnight aircraft. Archer stated the tour will highlight the aircraft’s low noise profile, zero operating emissions, and ability to complete routes in 10 to 20 minutes that typically require an hour or more by car.
“I’ve talked a lot about the ‘Waymo Moment for air taxis,’ the chance for us to get communities more comfortable with this tech,” said Adam Goldstein, Founder and CEO of Archer. “This is the beginning of that story and our biggest step yet toward making air taxis an everyday reality in cities across America. The ‘No Roads’ Tour is how we bring that narrative to life while also preparing for what’s next: flights in multiple states under the White House’s pilot program, and the first Midnight flights in Los Angeles ahead of LA28.”
Federal integration and infrastructure development
The multi-state tour aligns with Archer’s participation in the White House’s eVTOL Integration Pilot Program (eIPP). In March 2026, the United States Department of Transportation (DOT) and the FAA selected Archer’s partners in New York, Florida, and Texas to join the initiative. The eIPP is designed to establish an operational playbook for the safe and scalable deployment of electric air taxis within the national airspace system.
Alongside the flight demonstrations, Archer plans to unveil new charging infrastructure across multiple states. This rollout is part of the America’s Consortium for Electric Skyways (ACES) program, a collaborative effort involving Archer, BETA Technologies, and Macquarie Capital.
The Los Angeles segment of the tour will serve as direct preparation for the 2028 Olympic Games. Archer is designated as the Official Air Taxi Provider for the LA28 Games, where it plans to operate a commercial network transporting attendees across the congested Southern California region.
AirPro News analysis
We view the “No Roads” tour as a critical transition phase for Archer Aviation, shifting the focus from pure technical certification to public acceptance and operational integration. While completing 70 test flights in a single month demonstrates growing maturity in the Midnight platform, flying visible, city-to-city routes in congested airspace like the San Francisco Bay Area and Los Angeles basin presents a different set of challenges.
Coordinating these flights with the FAA will likely serve as a real-world stress test for air traffic control integration. The concurrent rollout of ACES charging infrastructure indicates that Archer and its partners recognize that aircraft certification alone is insufficient without the ground network required to sustain high-frequency commercial operations by 2028.
Sources: Archer Aviation Inc.
Photo Credit: Archer Aviation
Technology & Innovation
Horizon Aircraft Begins FIKI Ice Protection Testing for Cavorite X7
Horizon Aircraft starts wind tunnel ice protection testing for the Cavorite X7 eVTOL, backed by a $10.5M INSAT-funded project.

New Horizon Aircraft Ltd. has commenced wind tunnel testing of ice protection technologies for its Cavorite X7 hybrid-electric vertical takeoff and landing (eVTOL) aircraft, marking a critical step toward achieving Flight Into Known Icing (FIKI) certification. The testing, which began in July 2026 in Toronto, Ontario, aims to validate systems that will allow the aircraft to operate reliably in harsh winter conditions.
In a press release issued on September 1, 2026, Horizon Aircraft announced the testing milestone, which is being conducted in partnership with the Flight Test Centre of Excellence (3C) and the University of Toronto (UofT). The research is supported by a $10.5 million project funded by the Initiative for Aerospace Innovation and Training (INSAT). Securing FIKI certification would enable the Cavorite X7 to service remote northern communities year-round, overcoming the weather-related grounding limitations frequently experienced by traditional helicopters.
Advancing all-weather eVTOL capabilities
The initial phase of wind tunnel testing focuses on small coupon samples featuring ice protection technologies developed by the University of Toronto. These systems are designed specifically to handle the aerodynamic and environmental challenges of hybrid-electric vertical flight in freezing conditions.
Horizon Aircraft Co-Founder and Chief Executive Officer Brandon Robinson stated that the Cavorite X7 was designed from its inception to handle Canadian winters to benefit both remote communities and aircraft operators.
“3C’s Certification expertise and UofT’s technology are supporting our progress toward bringing a certified all-weather X7 to market. Communities serviced by X7 aircraft will have greater access to the critical services they need, and X7 operators will experience higher aircraft utilization and profit margins,” Robinson said.
Certification pathway and recent program milestones
Achieving FIKI certification is a complex regulatory hurdle that few advanced air mobility (AAM) developers have actively targeted in their initial design phases. To navigate the Transport Canada (TC) certification process, Horizon Aircraft is leveraging the mentorship of 3C.
Dr. John Maris, Founder of 3C, emphasized the necessity of accounting for harsh climates to unlock the true potential of global air vehicle operations. He noted that the combination of the aircraft’s design, 3C’s regulatory guidance, and the university’s technology positions Horizon Aircraft to provide a regional air mobility solution that traditional rotorcraft struggle to match.
The start of ice protection testing follows a series of supply chain and commercial milestones for the Cavorite X7 program. On July 9, 2026, Horizon Aircraft selected BETA Technologies to supply the fly-by-wire advanced flight control computers and customized software for the aircraft. Shortly after, on July 21, 2026, the manufacturer secured a Letter of Intent (LOI) with Australian operator V-Star Powered Lift Aviation for the purchase of up to 100 Cavorite X7 aircraft, an agreement valued at approximately $600 million.
AirPro News analysis
We view Horizon Aircraft’s explicit pursuit of FIKI certification as a key differentiator in the crowded eVTOL market. Most developers in the advanced air mobility sector are optimizing their initial designs for temperate, urban environments to simplify their path to type certification. By tackling icing conditions early in the development cycle, Horizon Aircraft is taking on significant technical and regulatory risk upfront. However, if successful, this strategy could secure a distinct competitive advantage in utility, medical evacuation, and regional transport markets where dispatch reliability in adverse weather is a strict operational requirement.
Photo Credit: New Horizon Aircraft
Technology & Innovation
Tata Elxsi and Sarla Aviation Partner on Shunya eVTOL
Tata Elxsi and Sarla Aviation sign MoU to co-develop Shunya, India’s first indigenous 7-seat eVTOL air taxi.

Tata Elxsi and Sarla Aviation signed a Memorandum of Understanding (MoU) on September 1, 2026, to co-develop “Shunya,” a seven-seat electric vertical take-off and landing (eVTOL) aircraft positioned as India’s first indigenous air taxi.
Announced in a joint press release from the companies’ Bengaluru headquarters, the Partnerships pairs Sarla Aviation’s aircraft design with Tata Elxsi’s aerospace engineering and certification expertise. The collaboration aims to achieve a first flight for the Shunya aircraft within 18 to 24 months, aligning with Indian government targets for advanced air mobility operations.
Engineering and certification pathway
Building a clean-sheet passenger aircraft requires extensive systems integration and regulatory compliance. Under the MoU, Tata Elxsi will provide engineering support across Avionics, Software integration, and the certification process.
Sarla Aviation Co-Founder & CEO Adrian Schmidt highlighted the necessity of established aerospace partnerships for the Startups, which was founded in October 2023.
“Building a new class of aircraft is not simply an engineering challenge. It requires bringing together people and organisations willing to solve problems that have never been solved before in this market. Tata Elxsi’s experience in complex aerospace systems gives us access to capabilities that are critical as we take Shunya from concept to reality,” Schmidt stated.
Tata Elxsi CEO & Managing Director Manoj Raghavan noted that the shift in transportation requires both engineering innovation and ecosystem readiness, adding that the vision for Shunya reflects the ambition driving the advanced air mobility sector.
Aircraft specifications and flight testing
The Shunya aircraft is designed to carry six passengers and one pilot, with a projected flight range exceeding 300 kilometers. The platform is intended to serve urban logistics, air ambulance services, and defense applications in addition to passenger transport.
Sarla Aviation has already completed a flight test campaign for its initial technology demonstrator, designated Sylla 1.0. The 700-kilogram class eVTOL logged over 500 tests and 18 hours of flight time. The company is currently developing the Sylla 2.0 demonstrator to test controlled transitions between vertical lift and wing-borne forward flight before finalizing the full-scale Shunya design.
Jayaraj Rajapandian, Head of Aerospace at Tata Elxsi, described the project as a milestone for domestic aerospace capabilities.
“Shunya is a reminder of how quickly aerospace innovation is evolving in shaping the Technology landscape in India. As aircraft become increasingly fly-by-wire, electrified and connected, entirely new opportunities are emerging to rethink how people, goods and critical services move,” Rajapandian said.
Regulatory support and market timeline
The development of Shunya coincides with increased governmental support for Electric-Aviation in India. In August 2026, Union Civil Aviation Minister Ram Mohan Naidu visited Sarla Aviation’s headquarters. During the visit, Naidu highlighted that the company had received Design Organisation Approval from the Directorate General of Civil Aviation (DGCA).
The minister also reiterated the government’s objective to see electric air taxis operating within India by 2028. This regulatory backing provides a framework for Sarla Aviation and Tata Elxsi as they work toward their 18 to 24-month target for Shunya’s inaugural flight.
AirPro News analysis
We view the partnership between a rapid-prototyping startup and an established engineering firm as a necessary step for India’s indigenous eVTOL ambitions. While Sarla Aviation has demonstrated hardware progress with the Sylla 1.0 test campaign, transitioning from a 700-kilogram demonstrator to a certified seven-seat passenger aircraft introduces exponential regulatory complexity. Tata Elxsi’s experience with aerospace software and DGCA certification processes will be critical in bridging the gap between experimental flight testing and commercial type certification. The 18 to 24-month timeline to first flight is aggressive but aligns with the Indian government’s push to establish a domestic advanced air mobility ecosystem by 2028, reducing reliance on foreign aircraft manufacturers.
Sources: Tata Elxsi via PR Newswire
Photo Credit: Sarla Aviation
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