With the Zephyr STRATOCRAFT:
UNLOCKING STRATOSPACE
AALTO was founded in 2022 to commercialise Stratospace
A new operational layer of the atmosphere between most air traffic and low-Earth orbit. With Zephyr, the most advanced high-altitude platform globally, we can deliver connectivity and Earth observation services to commercial and government partners.
Zephyr rolled out of the hangar at AALTOPORT Kenya
Zephyr on its approach to land at AALTOPORT Kenya
Zephyr on the ground moments after landing
Zephyr at the Final Assembly Line (FAL) in the UK
Zephyr’s high-efficiency solar arrays
Zephyr shortly after take-off in Arizona, U.S.
Zephyr taking-off into the evening
ELVIS – Electronic Launch and Vehicle Integration System
Pre-flight preparations at AALTOPORT Kenya (2025)
Zephyr Basking in Kenya Sunshine
After significant advances in battery and solar cell technology, alongside continued investment in designing and manufacturing HAPS, Zephyr has emerged as the leader in a new domain of aerospace. AALTO’s hybrid, dual-use Stratocraft is:
at the nexus of UAVs satellites, connectivity and aviation
A world record-breaker, with 67 days of continuous flight in the stratosphere
Zephyr combines persistency with precision, high-quality data and operational flexibility.
What drives our business
To pioneer Stratospace for a more resilient and sustainable world
To be the global leader in commercialising Stratospace: integrating space and ground technologies
Form a coalition of partners, and through our people and technology, deliver game-changing services from Stratospace