资讯
Columbus will purchase two new Bell 505 Basic Aircraft helicopters for its fleet of five choppers for nearly $6 million. Columbus City Council approved the purchase unanimously Monday night, arguing ...
Over the past few years, labels such as DJI have pushed drones into the mainstream. If you look closely, you'll notice that a majority of them have four propellers, while helicopters have fewer of ...
The Trump administration has eased the export policy for drones to "advance U.S. competitiveness abroad for unmanned systems, ...
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