A retired Los Angeles County firefighter has developed the Heli-Hydrant - a small, open tank that can be located in urban areas to give helicopters a much closer water source.

Lithuanian start-up Airvolve is working on a next-generation aircraft that could replace traditional helicopters ...

How To Make an Electric Helicopter from Plastic Bottle With DC Motor #Helicopter #How #DC Subscribe! ‘Break Free’: Professor Announces Decision to Resign Denmark raises retirement age to highest in ...

Commissioner Abe Laydon said in the release that Douglas County is now the only Colorado county with its own dedicated ...