Zephyr operated at an altitude of over 60,000 feet and was equipped with a payload developed at AALTO’s Farnborough headquarters. The onboard system was designed to provide direct-to-device (D2D) 4G and 5G connectivity, supporting video and data services through smartphone-compatible technology.
During the flight, AALTO conducted performance tests on the connectivity system while also validating improvements to Zephyr’s stability and operational capabilities. The successful test marks a step forward in the platform’s development, demonstrating its potential as a high-altitude communications and surveillance asset.
The mission follows an 18-month regulatory process that led to the establishment of AALTOPORT in Kenya, enabling future stratospheric operations. The project has received support from the Kenya Space Agency and the Kenya Civil Aviation Authority, reinforcing the country’s role in advancing HAPS technology.
Hughes Boulnois, CEO of AALTO, highlighted the significance of the flight in the company’s commercial roadmap. He stated that Zephyr offers a flexible and high-performing platform with applications across connectivity, earth observation, and defence, complementing traditional space-based solutions.
Brigadier Hillary B. Kipkosgey, Acting Director General of the Kenya Space Agency, expressed the agency’s commitment to supporting innovative and secure aerospace technologies. He emphasised Kenya’s role as a global leader in near-space technology development, positioning the country as a key hub for HAPS operations.
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