Building on its experience producing electrically powered motor gliders, Germany’s Lange Aviation set out to develop a surveillance platform combining long endurance and low emissions with the high reliability required to carry expensive payloads and the flexibility of being optionally piloted. The result is the Antares E2, a fuel-cell-powered aircraft with 40-hr. endurance when flown unmanned. The prototype was unveiled at the Aero 2018 general aviation show in Friedrichshafen, ...
