Dutch start-up Conscious Aerospace is ramping up development of a 2MW-class hydrogen fuel cell powertrain, with plans to begin flight testing on the De Havilland Canada Dash 8-300 within the next three years. The company is positioning its retrofit as a practical, lower-emissions solution for regional aviation rather than a distant, long-term concept.

Founder Michel van Ierland said recent partner discussions indicate the program is ready to move into a more advanced phase. The effort brings together key collaborators, including Aeronamic, EH Group, and Senior Aerospace.

Figure 1. Conscious Aerospace Dash 8 aircraft.

Moving Into Advanced Testing

The project is transitioning beyond early coordination, with preparations underway for an “iron bird” ground test system expected within two years. While the exact configuration is still being finalized, it will closely mirror the production design, targeting a peak output of 2.1MW.

Ground testing will take place at a hydrogen facility operated by Royal Netherlands Aerospace Centre (NLR) in Marknesse, supporting early-stage validation. Meanwhile, the program is approaching a preliminary design review, expected to conclude in the coming months.

Key decisions remain, including the selection of an electric motor supplier from a shortlist of three candidates. Thermal management also continues to pose engineering challenges, particularly in balancing system weight and aerodynamic efficiency. Despite this, partners remain confident in the commercial viability of the project.

Funding Momentum and Airline Interest

The Dutch government has already committed €73 million in support through its green aviation initiative, while the company is now advancing a Series A funding round to finance further development.

Close coordination with De Havilland Canada ensures the retrofit integrates seamlessly with the Dash 8-300 platform. Updated projections suggest improved payload and range compared to earlier estimates, with the hydrogen-powered aircraft expected to reach around 404 nautical miles—enough to cover roughly 90% of current routes flown by the type.

Rather than creating a new market, the company aims to provide a cost-sensitive, near-term solution for regional airlines. It has already secured agreements with KLM and Transavia, while also attracting interest from operators across the Asia-Pacific region, particularly in Australia and New Zealand where Dash 8-300 fleets remain active.

Expanding Use Cases and Certification Path

Beyond commercial aviation, the hydrogen powertrain could support defense and security roles such as maritime surveillance and coastguard operations, where endurance is critical [1]. The company is also working with the European Union Aviation Safety Agency (EASA) to establish certification pathways, a key step toward flight testing and eventual entry into service.

For now, Conscious Aerospace remains tightly focused on the Dash 8 platform, with a team of around 20 engineers working to bring the retrofit to market without overextending its scope.

Reference:

1. https://interestingengineering.com/transportation/conscious-aerospace-hydrogen-refit-dash-8

Cite this article:

Keerthana S (2026), “Hydrogen-Retrofit Dash 8 Could Serve 90% of Today’s Flight Routes”, AnaTechMaz, pp.452