On October 30, the new unmanned helicopter Boying T1400 successfully conducted its first flight in the skies over Harbin, northeast China's Heilongjiang province. The T1400 is a heavy-lift unmanned ...
This photo taken on Oct 30, 2025 shows Boying T1400 Tandem Rotor Unmanned Helicopter of United Aircraft in flight in Harbin, Northeast China's Heilongjiang province. [Photo/Xinhua] HARBIN -- A new ...
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