(Haibei Tibetan Autonomous Prefecture) High-altitude 3000-meter ascent performance verification flight!

Under the witness of experts from the East China Civil Aviation Administration's Airworthiness Department, the Zhongtian ZT-11 hot air balloon successfully completed its takeoff flight at an altitude of 3,100 meters and a temperature of -15°C. With an additional 5% weight on top of the original standard payload, resulting in a takeoff weight of nearly 2.7 tons, and the balloon temperature controlled below 120°C, the balloon achieved a climb distance of over 130 meters per minute.