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Beta Technologies Achieves First FAA Certification for Electric Aircraft Propeller

Beta Technologies and Hartzell Propeller secure FAA Part 35 certification for electric aircraft propeller, advancing electric aviation certification.

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Photo: CBS 42

Beta Technologies’ Incremental Certification Strategy: Pioneering Electric Aircraft Propeller Approval

Beta Technologies has taken a significant step in the certification of electric aviation by securing the first-ever FAA Part 35 certification for a propeller designed specifically for electric propulsion systems. This milestone, achieved in collaboration with Hartzell Propeller, marks a pivotal moment in the maturation of the advanced air mobility (AAM) sector. The propeller, a five-blade carbon fiber design, was officially certified by the FAA on July 21, 2025, following four years of rigorous ground and flight testing.

This achievement is more than a technical success, it represents a validation of Beta’s stepwise certification strategy. By certifying individual components like the propeller before moving on to more complex systems such as the electric motor and full aircraft platforms, Beta aims to reduce risk, streamline regulatory processes, and accelerate time to market. This modular approach contrasts with more monolithic strategies employed by other eVTOL developers and is increasingly seen as a viable path forward in a rapidly evolving regulatory landscape.

Background: Beta Technologies and Hartzell Propeller

Founded in 2017 by engineer and pilot Kyle Clark, Beta Technologies has steadily emerged as a key player in the electric aviation sector. The company’s flagship aircraft, the ALIA series, includes both conventional take-off and landing (CTOL) and vertical take-off and landing (VTOL) variants. Beta’s mission revolves around building a complete ecosystem for electric aviation, encompassing aircraft, charging infrastructure, and operational logistics.

Hartzell Propeller, an Ohio-based company with over a century of experience in propeller design, has long been recognized for its innovation in propulsion systems. Known for supplying composite propellers for high-performance aircraft like the Boeing Condor, Hartzell brought deep domain expertise to the partnership with Beta. The collaboration began in 2021 and focused on developing a propeller optimized for the unique torque and load characteristics of electric motors.

The synergy between Beta’s forward-looking design philosophy and Hartzell’s technical rigor created a foundation for the successful certification journey. By leveraging Hartzell’s existing relationships with the FAA and its track record in composite propeller development, Beta was able to navigate the complex regulatory environment with greater efficiency.

The Stepwise Certification Strategy

Modular Approach to Risk Reduction

Beta’s certification strategy is built on the principle of modular validation. Rather than pursuing full aircraft certification from the outset, the company chose to certify individual components, starting with the propeller, followed by the electric motor, and then the aircraft platforms. This approach allows for focused testing, targeted risk mitigation, and iterative improvements without jeopardizing the entire program.

According to Beta CEO Kyle Clark, this strategy emerged from early flight testing experiences, which revealed challenges such as aerodynamic instability during transition phases and thermal management issues in battery systems. By isolating each component for certification, Beta could address these issues in a controlled manner, thereby improving overall system reliability.

Industry analysts note that this approach aligns well with the FAA’s evolving stance on certifying novel aircraft. The agency has increasingly advocated for data-driven, component-level validations as a means to accommodate rapidly advancing technologies. Beta’s stepwise model is seen as a practical implementation of this philosophy.

“Taking this huge problem… and chunking it down to the steps to get there”, Kyle Clark, CEO of Beta Technologies

FAA Certification of Hartzell’s Electric Propeller

On July 21, 2025, the FAA granted type certification under Part 35 to Hartzell’s five-blade carbon fiber propeller, marking it as the first such certification for an electric aircraft component. This milestone was the result of over four years of collaboration, during which the propeller underwent thousands of hours of testing under both ground and flight conditions.

The propeller was engineered to meet the unique demands of electric propulsion, including instantaneous torque delivery and regenerative braking. Tests included extreme scenarios such as ice ingestion, fatigue cycling, and regenerative load cases where the propeller acts as a windmill to recharge onboard batteries during descent.

This certification is a prerequisite for the next stages in Beta’s roadmap: FAA Part 33 certification of its 575hp electric motor (expected late 2025), followed by certification of the ALIA CX300 CTOL aircraft (2026–2027), and ultimately the ALIA A250 VTOL aircraft (targeted for late 2027).

Technical Specifications and Testing Protocols

The certified propeller features a ground-adjustable fixed-pitch design, tailored to handle the variable torque loads of electric motors. Its carbon fiber construction results in a 40% weight reduction compared to aluminum counterparts, and its aerodynamic profile limits noise to below 65 dB during cruise, an essential requirement for urban operations.

Testing protocols were extensive and included over 2,000 hours of fatigue testing under peak thrust conditions. Ice ingestion tests ensured structural integrity under instrument flight rules (IFR) conditions, while regenerative load testing validated the propeller’s ability to transition between propulsion and energy recovery modes.

These rigorous evaluations not only satisfied FAA certification requirements but also provided valuable data that can be leveraged in subsequent component and aircraft certifications, potentially reducing redundant testing by up to 30% according to industry estimates.

Broader Industry Context

Certification Challenges in the eVTOL Sector

The path to certifying electric vertical take-off and landing (eVTOL) aircraft is fraught with challenges. Traditional certification frameworks were designed for combustion-powered fixed-wing aircraft and helicopters, not for the hybrid characteristics of eVTOL platforms. As a result, developers must often work with regulators to create special conditions tailored to their specific technologies.

One major hurdle is the lack of FAA-approved flight simulators for eVTOL aircraft, which complicates pilot training and operational readiness. Additionally, vertically integrated manufacturers that design all components in-house face a more complex certification burden compared to those who partner with established suppliers.

Beta’s partnership model with Hartzell serves as a case study in how collaboration with certified suppliers can streamline the regulatory process. By leveraging Hartzell’s existing FAA certifications and compliance infrastructure, Beta reduced its documentation requirements and accelerated the certification timeline.

Global Regulatory Harmonization

Efforts are underway to harmonize certification standards across jurisdictions. The FAA and the European Union Aviation Safety Agency (EASA) issued a joint advisory circular in June 2024 to align their approaches to eVTOL certification. This includes graded compliance tiers based on aircraft size and use case, as well as a hybrid integration of airworthiness standards from Parts 23, 27, and 33.

These harmonized guidelines provide a framework that supports Beta’s stepwise approach. By enabling concurrent certification processes across U.S. and European facilities, the new standards reduce duplication and facilitate faster market entry. Beta has already capitalized on this by conducting demonstration flights across Europe during its 2025 Grand Tour.

The international alignment also opens the door for Beta to pursue global certification pathways, increasing its competitiveness in a market projected to reach over $100 billion by 2033.

Conclusion and Future Outlook

Beta Technologies’ successful certification of Hartzell’s electric propeller marks a turning point in the evolution of electric aviation. It validates a modular, stepwise approach to certification that not only aligns with regulatory expectations but also mitigates technical and financial risks. By focusing on component-level validation, Beta has created a replicable model for other developers navigating the complex landscape of eVTOL certification.

Looking ahead, Beta’s roadmap includes certification of its electric motor, CTOL aircraft, and eventually its VTOL platform. With strong financial backing and strategic industry partnerships, the company is well-positioned to lead the next phase of AAM development. As regulatory frameworks continue to evolve, Beta’s approach may serve as a blueprint for scalable, certifiable, and commercially viable electric aviation.

FAQ

What is the significance of the FAA certification for Beta’s propeller?
It’s the first FAA Part 35 certification for a propeller designed specifically for electric aircraft, validating Beta’s modular certification approach.

What are the next steps in Beta’s certification roadmap?
Beta aims to certify its electric motor by late 2025, its CTOL aircraft by 2026–2027, and its VTOL aircraft by late 2027.

How does Beta’s strategy differ from other eVTOL developers?
Beta uses a stepwise certification model, focusing on individual components first, unlike some competitors who pursue full aircraft certification all at once.

Sources:
The Air Current,
Beta Technologies,
Hartzell Propeller,
GAMA,
FAA,
EASA

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Electric Aircraft

Vertical Aerospace Gains AS9100 Quality Certification From BSI

Vertical Aerospace believes it is the first eVTOL developer with AS9100, awarded by BSI for its design and production quality system.

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Vertical Aerospace Gains AS9100 Quality Certification From BSI
Photo: Vertical Aerospace

Vertical Aerospace has received AS9100 certification for the quality management system that covers its design and production work, and the Bristol-based developer of the Valo electric vertical take-off and landing (eVTOL) aircraft believes it is the first eVTOL developer to achieve the standard. The British Standards Institution (BSI) awarded the certificate after an independent assessment that closed a year-long quality improvement programme at the company.

In a press release dated November 12, 2026, and announced on World Quality Day, Vertical said the certification confirms that its quality management system across design and production meets the standards used by manufacturers such as Airbus and Boeing. The company said it gives airline customers and operating partners independent assurance about its future aircraft production and delivery, and supports opportunities where AS9100 is required. The certificate comes as Vertical prepares to build its first certification-conforming aircraft, and after it announced a review of strategic alternatives on September 24, 2026.

What the AS9100 standard covers

AS9100 was developed by the International Aerospace Quality Group (IAQG) and builds on ISO 9001 with requirements for aviation, space and defence. The IAQG states that the standard can be used “at all levels of the supply chain by organizations around the world,” and that it is intended to improve quality, schedule and cost performance by reducing or eliminating organisation-unique requirements.

For Vertical, the certificate is the result of a year-long quality improvement programme that ended with BSI’s independent assessment. Stuart Simpson, chief executive of Vertical Aerospace, said:

“We are leading the way in electric aviation by holding ourselves to the highest standards in aerospace.”

Simpson said achieving AS9100 means the company’s quality management system is certified against the same standard used by established manufacturers such as Airbus and Boeing. “It is what our customers expect,” he said, adding that this is the discipline Vertical is bringing to Valo and to building a company customers can depend on.

Giancarlo Silvestri, Global Head of Aerospace and Defence (Assurance) at BSI, called the accredited certification “an important step in Vertical’s development as an aerospace manufacturer,” and said it gives airline customers and operating partners greater confidence in the quality management foundations behind the company’s ambitions.

A quality certificate alongside the regulator’s approvals

The AS9100 certificate comes from BSI. Vertical’s design organisation approval comes from the UK Civil Aviation Authority (CAA). In its release of March 30, 2023, Vertical said the CAA had issued it a Design Organisation Approval (DOA), number UK.21J.1001, the first DOA the CAA had issued to an eVTOL manufacturer. The CAA’s assessment for that approval covered Vertical’s procedures, quality management system, technical workforce competence, and facilities and equipment.

The same release said UK and European companies need a DOA to hold a Type Certificate, which Vertical described in July 2024 as a prerequisite for commercial service. On July 10, 2024, the company said the CAA had expanded the scope of the approval so that its own engineers could certify compliance in more technical areas, including further flight control, avionics and electrical systems activities. That release also said the European Union Aviation Safety Agency (EASA) and the CAA had agreed how they would collaborate on certification, setting up common standards and concurrent certification and validation of the VX4. Vertical unveiled Valo, which succeeds the VX4 prototype, on December 10, 2025.

Where the Valo programme stands

Valo is a piloted, four-passenger eVTOL whose cabin can expand to six seats, according to the December 2025 launch release, which gave a range of up to 100 miles at speeds of up to 150 mph. That release targeted certification in 2028, working with the CAA and EASA, and planned seven certification aircraft built in the UK.

The company’s more recent statements give 2029. In a release dated September 25, 2026, announcing the opening of its Aircraft Assembly Centre at Cotswold Airport, Vertical said the £1.5 million facility would build certification-conforming aircraft for compliance and verification testing with the CAA, targeting Type Certification in 2029. Assembly of the first certification-conforming aircraft is expected to begin in the fourth quarter of 2027.

After certification, the centre is expected to support initial customer deliveries, with capacity to assemble more than 25 Valo aircraft a year in the early-production phase. Higher-volume manufacturing will take place at a separate facility, and Vertical said it expected to announce plans for it in the fourth quarter of 2026.

In flight testing, Vertical said in its H1 2026 business update that in April it became the second company globally to complete a piloted transition flight in a full-scale tiltrotor eVTOL, and that it flew five consecutive days of piloted transition demonstrations at the Farnborough International Airshow in front of more than 140,000 visitors. The company has said it remains on track to complete its Critical Design Review by year-end 2026. On October 16, 2026, it announced supplier agreements for seating and inertial reference systems with ANH Structure and Northrop Grumman LITEF.

Financing, customers and the strategic review

On September 24, 2026, Vertical announced a review of strategic alternatives, including potential strategic and financial partnerships, and retained Jefferies LLC as financial advisor. It said operations, the certification programme and commercial commitments would continue during the review, that no timetable had been set, and that there was no assurance the review would result in any transaction or outcome. The company said it would not disclose developments unless its board approves a specific course of action, decides further disclosure is appropriate, or disclosure is required by law.

That announcement followed approximately $100 million of new financing and the appointment of former Airbus Commercial Aircraft chief executive Fabrice Brégier as chair. In its H1 2026 business update, Vertical reported cash and cash equivalents of approximately $134 million (£99 million) as of August 13, 2026, and expected net cash outflows of approximately $150 million (£110 million) over the following 12 months. It said short-term liquidity, remaining financing proceeds and anticipated future draws were expected to provide at least 12 months of runway.

Vertical reports about 1,500 pre-orders for Valo from customers on four continents, including American Airlines, Avolon, Bristow, GOL and Japan Airlines, and says certain customer obligations are expected to be fulfilled through third-party agreements. The company, headquartered in Bristol, UK, works with Honeywell, Syensqo and Sonaca and develops its own battery and propeller technology.

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Archer and Formula 1 to Explore Air Taxi Flights at Grand Prix Races

Archer and Formula 1 announced a multi-year partnership to study Midnight eVTOL transfers for VIPs and fans at select Grand Prix circuits.

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Archer and Formula 1 to Explore Air Taxi Flights at Grand Prix Races
Photo: Archer Aviation

Archer Aviation and Formula 1 have announced a multi-year partnership to explore flying VIPs and fans to and from Grand Prix circuits aboard Archer’s Midnight electric air taxi, including dedicated landing points at circuits and air taxi services within F1’s hospitality and ticketing offerings.

Archer announced the agreement in a press release dated November 12, 2026. The partnership covers select Grands Prix that align with what Archer calls key commercial markets in the US, the Middle East, Asia and Europe. The release gives no financial terms and no date for a first air taxi flight at a race, and it describes the work as something the partners will explore.

What the partners plan to study

According to the release, the two companies will look at dedicated air taxi drop-off and pick-up locations at circuits, and at including air taxi services in F1’s hospitality and ticketing offerings. Once Archer’s commercial electric vertical takeoff and landing (eVTOL) operations launch in F1 markets, fans could skip traffic between major airports, business hubs and other key destinations, Archer said.

Emily Prazer, Chief Commercial Officer of Formula 1, said in the release:

“Innovation is at the heart of Formula 1, and Archer shares our passion for pushing boundaries and exploring what is possible.”

Adam Goldstein, Archer’s founder and CEO, pointed to the size of the sport’s audience, saying “With 830 million fans worldwide, Formula 1 gives us a global audience of prospective passengers”. He added that motorsport and aerospace share the same engineering DNA, and that the companies hope to show how innovation on the ground and in the sky could combine for fans at the track.

Archer also drew a technical comparison. It said the power-to-weight demands of eVTOL aircraft are comparable to those of F1, and that, as in an F1 car, its electric propulsion, advanced composites and aerodynamics are engineered as one system.

Where Archer’s planned networks meet the race calendar

Archer said its planned US air taxi networks map closely to F1 race locations, including Miami and Texas, where it has unveiled planned infrastructure networks. Its Texas plan, announced on October 23, 2026, includes an Austin network connecting Austin-Bergstrom International Airport and Austin Executive Airport with the F1 Circuit Helipad at the Circuit of the Americas, which Archer said would put Formula 1 United States Grand Prix races minutes away. The same plan covers Dallas-Fort Worth and Houston, and Archer said Midnight could turn 60 to 90 minute ground trips into 10 to 20 minute flights.

In South Florida, Archer’s Miami network plan of December 2025 named Hard Rock Stadium, home of the Formula 1 Crypto.com Miami Grand Prix, among the sites whose existing helipads will be prepared for electric operations. That network would also link Miami International Airport (MIA), Fort Lauderdale-Hollywood International Airport (FLL) and Palm Beach International Airport (PBI).

The partnership already has a public side. Archer displayed Midnight at the Formula 1 United States Grand Prix in Austin, October 22 to 25, in the Fan Zone and F1 Paddock as an Official Supporter of F1, and the aircraft will be displayed again at the Las Vegas Grand Prix and the Abu Dhabi Grand Prix later in 2026, according to the release. Archer’s third-quarter results release of November 9, 2026, had already said the two companies were forming a multi-year strategic alliance.

Where Midnight stands

Midnight is a piloted electric air taxi that carries up to four passengers and has 12 total engines and propellers, according to Archer. In its third-quarter update and FAA certificate news, Archer said Midnight had received a Market Survey Special Airworthiness Certificate from the FAA, which the company expects to allow operations in Los Angeles. The company said it is preparing to carry passengers under the US Department of Transportation’s eVTOL Integration Pilot Program (eIPP) and for the LA28 Olympic Games.

The eIPP is the framework for Archer’s planned Texas and Florida operations. In March 2026, the Department of Transportation and the FAA selected Archer’s partners in Texas, Florida and New York for the program, and Archer said at the time that it planned early Midnight operations in those states as soon as the second half of 2026. Archer, BETA and Macquarie Capital also launched the ACES charging consortium, which aims to electrify up to 250 air taxi sites across America by 2030 and is working with the Texas Department of Transportation on charging to support eIPP operations in Texas.

Archer reported third-quarter 2026 revenue of $5.1 million and a net loss of $274.6 million, with total liquidity of $1.4 billion. The company said its acquisition of Boeing’s Wisk, Insitu and SkyGrid businesses is nearing close, subject to certain regulatory approvals and other closing conditions.

What the announcement leaves open

The release names no race where air taxi transfers would be offered first, and gives no pricing or start date. It ties services for fans to the launch of Archer’s commercial eVTOL operations in F1 markets.

Archer’s forward-looking statements list aircraft design and specifications, development and certification timing, air taxi network plans including the eIPP, and the expected benefits of collaborations such as the one with Formula 1 among the matters that could differ from its plans.

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Eve Vector Software Handles Over 100 Helicopter Flights at Interlagos

Eve Air Mobility’s Vector software managed helicopter slots for Revo at Interlagos, peaking at more than 100 flights on November 8, 2026.

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Eve Vector Software Handles Over 100 Helicopter Flights at Interlagos
Photo: Eve Air Mobility

Eve Air Mobility’s Vector software managed landing and takeoff slots at the temporary helipad serving São Paulo’s Interlagos Circuit during the motorsport weekend there, with traffic peaking at more than 100 helicopter flights on Sunday, November 8, 2026. Revo, the São Paulo helicopter operator that Eve calls its first electric Vertical Takeoff and Landing (eVTOL) aircraft customer, ran the system at the event for the second year in a row.

In a press release distributed on November 13, 2026, Eve, an Embraer Group company, said Revo’s team used Vector at the helipad set up at the Ayrton Senna Kart Track, next to the circuit, for scheduling and slot management of landings and takeoffs. Eve described the event as the largest international motorsport event, and said the software had been tested at the same event in 2025.

What Vector did at Interlagos

Vector is Eve’s urban air traffic management software. According to the release, it is built on a modular architecture, with Helipad and Vertiport (Aerodrome) and Ground Operations modules that let operators manage high-volume activity across vertiports and helipads. Eve said the software is designed to provide safe and efficient low-altitude air traffic management through automation and data-driven services, and said it represents a new step toward automated, scalable traffic management for Advanced Air Mobility (AAM) in Brazil and worldwide.

Eve said its team supported Revo’s operational staff throughout the weekend so that operations ran smoothly, effectively and “100% safely” across all three days of the event. The release does not give a total number of flights for the weekend or the number of helicopters involved; the only traffic figure is the peak of more than 100 flights on the Sunday.

Johann Bordais, chief executive of Eve Air Mobility, tied the result to the weekend’s traffic:

“The efficient use of Vector over a weekend that concentrates one of the highest volumes of helicopter traffic in Brazil throughout the year demonstrates the full maturity of our solutions for the urban mobility ecosystem.”

Bordais added that Revo will be Eve’s first eVTOL customer in Brazil and globally. João Welsh, chief executive of Revo, said the partnership with Eve “represents a major step in this direction,” both for bringing eVTOLs into Revo’s operations and for developing urban air traffic management solutions.

How the 2026 deployment compares with 2025

This was not Vector’s first outing at the circuit. On November 10, 2025, Eve announced the software’s first real-world deployment, with Revo, during the 2025 São Paulo Grand Prix. Revo’s team used Vector from November 7 to 9 that year to manage helicopter operations at the Interlagos racetrack, after training by Eve’s TechCare and Vector teams. Eve said at the time that future Vector operations were planned at other sites, including residential and commercial hubs.

The product description has moved since then. In November 2025, Eve listed a Vertiport and Ground Operations Module and said a Fleet Operations Module for helicopter and eVTOL operators was planned for 2026. The November 2026 release lists separate Helipad and Vertiport (Aerodrome) and Ground Operations modules and gives 2027 for the Fleet Operations Module. The release does not explain the change in timing. Eve says the fleet module will address the needs of helicopter and eVTOL operators as Urban Air Mobility networks expand.

The Revo contract behind the partnership

Revo is part of Omni Helicopters International (OHI), which, according to the November 2026 release, manages a fleet of approximately 90 helicopters and operates over 1,500 weekly flights. In a release dated June 15, 2025, Eve announced its first binding framework agreement with Revo and OHI, covering up to 50 eVTOLs, entry-into-service support and aftermarket services, including Eve’s TechCare package. Eve’s release for that deal was headed as a $250M contract, and the earlier work between the companies had included simulations of urban air traffic management using Vector.

The June 2025 release named Revo as launch operator for Eve’s eVTOLs in São Paulo, with first delivery planned for Q4 2027, and said the city has over 400 registered helicopters and nearly 2,000 daily takeoffs and landings. The November 2026 release says Revo is positioned to operate the technology in Brazil starting in 2028.

Where Eve’s eVTOL program stands

Eve reports a backlog of over 2,700 aircraft, including firm orders and letters of intent, across 28 customers in 10 countries. It has completed more than 73 flights since its flight test campaign began in 2025, after more than 10,000 hours of integrated ground testing. On August 3, 2026, Eve announced its first partial transition flight, in which the prototype’s rear pusher propeller was activated in the air for the first time and the aircraft reached a stabilized speed of 27 knots.

Eve plans to build six certification prototypes for a certification campaign starting in 2027, working with Brazil’s National Civil Aviation Agency (ANAC) and the FAA. Once the aircraft is certified, and through the end of 2028, it will be built at a facility under development in Taubaté, São Paulo, with initial capacity of up to 120 aircraft per year and room to expand to up to 480 aircraft annually.

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