AALTO's Zephyr, a solar-powered high-altitude platform station developed by Airbus, flew continuously in the stratosphere for 67 days, 6 hours and 52 minutes after launching from Kenya on February 20, 2025, landing on April 28, 2025. It beat Zephyr's own 2022 record of about 64 days.
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AALTO's Zephyr, a solar-powered high-altitude platform station developed by Airbus, flew continuously in the stratosphere for 67 days, 6 hours and 52 minutes after launching from Kenya on February 20, 2025, landing on April 28, 2025. It beat Zephyr's own 2022 record of about 64 days.
The longest continuous airborne duration of any uncrewed heavier-than-air aircraft.
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Limits Registry. LR-LONGEST-UNCREWED-AIRCRAFT-FLIGHT-DURATION. Longest continuous flight by an uncrewed aircraft. 2026.