Regular readers may already know that this is not the first unmanned solar flier. The Zephyr weighs about 68 pounds and is made of composite materials. The plane uses an efficient propeller design ...

Airbus Defence & Space-owned AALTO has built on the recent first stratospheric flight over Kenya of its unmanned Zephyr ...

because they see the value of Zephyr. “The persistence of the aircraft in the stratosphere is really a game-changer compared to satellite-based imaging, or a classic UAV [unmanned air vehicle ...

Unmanned Traffic Management (UTM ... aircraft would probably be at an altitude nearly 30,000 ft below HAPS remote Stratospheric perch. Airbus Zephyr HAPS. (Photo: Aalto) Airbus company Aalto Haps, ...

The unmanned craft flies high in the atmosphere to avoid commercial air traffic and adverse weather. Known as the Zephyr, its remote-sensing potential has already seen the UK MoD invest ...