Uploaded May 2026 | Updated September 2026, 2 weeks ago

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Unither Biolectronics, a subsidiary of United Therapeutics, has partnered with Robinson Helicopter to modify an R44 with a hydrogen fuel-cell propulsion system.

Following a flight demonstration witnessed by Aviation Week at Bromont Airport in Quebec, Martine Rothblatt, United Therapeutics’ founder and CEO, briefed reporters on the company’s plan for using the modified helicopters to build out a zero-emissions network for delivery of manufactured organs from labs to hospitals.