Zephyr Aircraft Completes Record 13-Day Flight Over Kenya

Airbus’ high-altitude pseudo-satellite spinoff company Aalto, has successfully completed a record-breaking 13-day flight with its Zephyr solar-powered stratospheric aircraft in Kenya. In January, the aircraft flew from the company’s Aaltoport in Laikipia County, reaching more than 60,000 feet in altitude. This was the longest and highest unrefueled flight over Africa to date.

During the flight, Aalto tested a new technology that allows mobile devices, such as cell phones, to receive 4G and 5G network signals in remote areas. This technology, called a direct-to-device payload, could help expand mobile network coverage in places where building traditional cell towers is too expensive or impractical.

Zephyr is being developed as a flying cell tower, providing fast and reliable network coverage. Unlike traditional cell towers that require land and expensive infrastructure, Zephyr can deliver high-speed internet directly to mobile phones. This could be a game-changer for remote areas with limited connectivity.

The recent test also helped Aalto improve Zephyr’s stability and overall performance. “Zephyr’s return to stratospheric testing and operations is an important step in its commercial roadmap,” said Aalto CEO Hughes Boulnois. He also praised Kenya’s aviation regulators for their support, saying it brings the company closer to making commercial stratospheric operations a reality.

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Aalto plans to set up five or six more launch sites, known as Aaltoports, around the world. These ports will allow Zephyr to be assembled, launched, and recovered in ideal weather conditions. Having multiple launch sites means Aalto can ensure continuous operations, even if weather conditions are unfavorable in one location.