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Robinson R44 Raven | Airframer | Robinson Helicopter Company

03/04/2025Press Release:
Ric Webb of Unither Bioélectronique performs pre-flight checks in the company’s experimental hydrogen-powered Robinson R-44 Raven II helicopter at Roland-Désourdy Airport in Bromont, Québec, March 27, 2025.		Unither Bioélectronique completes the world’s first successful test flight of a piloted hydrogen-powered helicopter
25/02/2025Press Release:
ANAC permits commercial operations of Sprayhawk UAV in Brazil
19/12/2024Press Release:
Robinson Helicopter’s symmetrical horizontal stabilizer now approved for all models by European Union Aviation Safety Agency (EASA), Argentina, Japan, and India
21/08/2024News:
Mikael Cardinal, Vice President United Therapeutics, and David Smith, president and CEO Robinson Helicopter Company.

Unither Bioelectronics steps up plans for hydrogen helicopters

Green hydrogen will drive the membrane-based fuel cell powerplants in Robinson R66 organ delivery electric helicopters.

21/08/2024News:
Airtruck and Sprayhawk are both based on the Robinson R44 full-scale helicopter.

Rotor Technologies launches largest civilian drone based on R44

The first Sprayhawk production aircraft has been completed and is undergoing ground testing ahead of delivery to an agricultural partner in the US Midwest later this year.

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