The helicopter lost power shortly after takeoff at about 100 to 200 feet in the air, according to the Weiser Police ...
A man is in the hospital after his ultralight helicopter lost power and crashed at the Weiser Airport on Tuesday afternoon.
In order to increase flight speed, coaxial high-speed helicopter is getting more and more attention. Due to the complexity of its transmission system, this study mainly deals with dynamics reduction ...
Helicopter rotor performance and optimisation represent a dynamic field of research that addresses improvements in efficiency, environmental impact and overall operational capability. Researchers have ...
Russian Helicopters is promoting a solution to aid firefighters who face the challenges of the increasingly high rise buildings across the Gulf The Russian all-weather coaxial Ka-32A11BC helicopter is ...