Here is an unmanned helicopter with stealth design capable of resisting winds up to 25m/s. The ZY-50 Helicopter has a net load of over 20kg and can achieve a max flight altitude of up to 4km. It has a max speed of over 160 km/h with a max cruising speed of 110 km/h.
ZY-50 demonstrator
The ZY-50 also has autonomous flight and landing capability.
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