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China's S4000 Airship Passes High-Altitude Wind Test

Summary by aerotime.aero
China’s upgraded S4000 Stratosphere Airborne Wind Energy System (SAWES) has completed a full-process flight test, reaching an operational altitude of 13,123 feet, roughly 4,000 meters, in a trial conducted at a base in Northwest China.  CCTV News first reported the test, which China says marks a step closer to deploying high-altitude wind power for commercial electricity generation. The airship-like platform is designed to capture wind energy at…

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China's giant S4000 flying wind energy system has successfully completed extensive flight tests at a test site in the country's northwest. The system, held aloft by helium, is designed to reach altitudes of up to 4,000 meters and generate electricity from strong winds at high altitudes.

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A comprehensive flight test program for the S4000 SAWES (Stratosphere Airborne Wind Energy System), an advanced high-altitude wind power system, has been successfully completed in China. The innovative system is designed for operation at altitudes of up to 4,000 meters, where the stability and strength of wind currents are significantly greater than at ground level. Image source: CCTV News via People's Daily Online. The testing took place at a s…

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se7en.ws broke the news on Monday, August 24, 2026.
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