The U.S. Army Research Laboratory (ARL) helped figure out 20 years ago a revolutionary way to increase transmission power in the Apache helicopter without increasing the transmission's size or weight.

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 ...

National Grid is using helicopters for transmission line maintenance in Schaghticoke, they say, for greater efficiency.

A helicopter is pictured above transmission lines along Route 60 in Dunkirk. National Grid said a contractor company is performing annual inspections of its equipment. Photo by Brian Carlson DUNKIRK — ...

AVX Aircraft and L3 Technologies have unveiled their joint coaxial helicopter design for the US Army’s Future Attack Reconnaissance Aircraft competitive prototype programme. The single-engined ...

BGE will use a helicopter to inspect its electric transmission equipment in the central Maryland service area during the month of March. The utility helicopter contractor, Catalyst Aviation, will ...

An Xcel Energy transmission patrol crew will begin flying a helicopter along lines in Wisconsin and Minnesota today. Crews will perform inspections to ensure the electric system remains reliable and ...