This full circuit flight demonstration (also the first of its kind in the world) took place on April 10, this year, at Roland-Désourdy Airport in Bromont, Quebec, and was officially recognized by ...

Light rotorcraft maker Robinson Helicopter and biotechnology firm United Therapeutics recently ground tested an R44 modified with hydrogen fuel cells, and the companies say test flights are imminent.

Tier 1 Engineering plans to build fleet of all-electric R-44s for organ transport using MagniX propulsion. The first flight of an all-electric Robinson R44 using MagniX electric propulsion on June 4. ...