Start-up Beyond Aero has revised its hydrogen-powered light jet project, the BYA-1, incorporating significant advancements validated by experts in the aerospace industry.
The company’s goal is to develop the first hydrogen-electric business jet capable of carrying six passengers over 800 nautical miles (1,500 km)—five times the range of a battery-powered aircraft. However, since its initial unveiling at the 2023 Paris Air Show, the aircraft’s design has undergone several key modifications.
A Redesigned Architecture for Enhanced Safety
The aircraft’s architecture has been completely reworked, featuring several major improvements. Unlike the Blériot microlight—France’s first manned aircraft powered entirely by hydrogen and electricity—the BYA-1’s propulsion system no longer relies on batteries. Instead, it features two electric motors powered by independent propulsion circuits, significantly enhancing safety. The design also eliminates the need for a high-temperature turbine.
Another notable upgrade is the fuel cell capacity, which has been increased to 2.4 MW. Additionally, by reducing the number of moving parts by 90% and implementing a modular engine replacement system, Beyond Aero expects to cut operational costs by up to 55%.
A Safety-First Approach
Beyond Aero has also repositioned the 700-bar hydrogen tanks above the wing structure to improve impact resistance. The original plan to install high-pressure pipes inside the pressurised cabin has been scrapped in favour of a safer configuration.
Other technical refinements include improvements in thermal management for the electric fans, acoustic insulation, and window size.
These changes have been validated by an advisory board comprising experts from Airbus, Dassault, ADP, and Air France. The company is also working closely with EASA to ensure the BYA-1 meets stringent safety and certification standards, with a target launch date set for 2030.
Beyond Aero has raised over $44 million in funding and has already received letters of intent worth $914 million for 108 aircraft.
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