Windracers has completed a 1,000-km flight of its ULTRA autonomous heavy-lift aircraft in North America as part of a multi-party project assessing the use of autonomous air cargo for transporting anti-doping blood samples over long distances.

Windracers has completed a 1,000-km flight of its ULTRA autonomous heavy-lift aircraft in North America as part of a multi-party project assessing the use of autonomous air cargo for transporting anti-doping blood samples over long distances.