Alef Aeronautics has started production of its Model A Ultralight, a composites-intensive electric vehicle designed to drive on public roads and take off vertically. The San Mateo, California-based company announced in December 2025 that it would begin hand-assembling units at its Silicon Valley facility, with each vehicle expected to take several months to complete. Initial units will go to early customers selected from the pre-order queue for controlled real-world testing, with data used to optimize manufacturing before the larger flagship Model A production ramp.

What Makes Alef's Flying Car Different From Other eVTOLs?

The Model A Ultralight stands out in the crowded urban air mobility landscape because of its dual-purpose design. Unlike most electric vertical takeoff and landing (eVTOL) aircraft that are purpose-built for flight, Alef's vehicle is engineered to function as both a street-legal car and an aircraft. The distinctive airframe uses a rotating chassis design: once airborne, the vehicle's front and rear rotate 90 degrees to form two wings, with a mesh body that allows airflow through the structure during flight. The production model is designed for a driver-pilot plus one passenger, with a ground range of approximately 200 miles and an air range of 110 miles. The company is exploring light-sport aircraft (LSA) certification under the Federal Aviation Administration's updated MOSAIC framework, in addition to an initial "low-speed vehicle" road classification limiting ground speeds to approximately 25 miles per hour.

How Is Alef Preparing for Full-Scale Manufacturing?

• Hand-Assembly Process: Initial Model A Ultralight units will be hand-assembled at Alef's Silicon Valley facility using a combination of robotic and manual manufacturing processes, with each unit taking several months to complete.
• Real-World Testing Phase: Early customer units will undergo controlled testing to generate data that will optimize manufacturing processes before larger-scale production of the flagship Model A begins.
• Airport-Based Flight Testing: Alef has signed flight testing agreements with Half Moon Bay Airport and Hollister Municipal Airport in California, with plans to eventually use those facilities as bases for Model A fleets.
• Rigorous Component Testing: The company will conduct component-level and full-aircraft flight testing before any customer deliveries, with testing progressing from the Model Zero Ultralight through fixed-wing flight simulations.

Since CompositesWorld last reported on Alef in 2023, when the company received a special airworthiness certificate from the FAA for limited exhibition, research and development flights, the company has reached several notable milestones. In February 2025, Alef released footage of its Model Zero Ultralight completing a tethered-free vertical takeoff over a city street in San Mateo, California.

Where Does Alef Stand in the Competitive eVTOL Market?

Alef's entry into production comes as the broader eVTOL industry accelerates toward commercialization. The composites-intensive construction of the Model A Ultralight reflects a broader industry trend toward lightweight materials that maximize efficiency and range. The vehicle's ability to operate as both a ground vehicle and an aircraft addresses a key challenge in urban air mobility: the "last-mile" problem of getting passengers from airports or landing zones to their final destinations. The company's phased approach to production and testing demonstrates the complexity of bringing a dual-mode vehicle to market. Unlike traditional aircraft manufacturers or automotive companies, Alef must satisfy regulatory requirements from both the FAA and the Department of Transportation, adding layers of certification complexity. The decision to start with hand-assembled units for early customers is a pragmatic approach used by many aerospace startups to validate designs and manufacturing processes before investing in full automation. Alef's progress also reflects broader momentum in the urban air mobility sector, where companies are moving from prototype demonstrations to actual production. The Model A Ultralight's entry into production represents a significant milestone for the industry, signaling that the flying car concept is transitioning from science fiction to engineering reality. As the company scales manufacturing and completes flight testing, the results could influence how regulators approach certification for other dual-mode vehicles and inform the timeline for broader commercial deployment of eVTOL aircraft in urban environments.