Helicopter noise reduction

May 29, 2011 - 1:45 PM
The pair of “low-observable” Sikorsky Black Hawks used in the raid by U.S.
Apr 26, 2011 - 11:10 AM
A bilateral project between NASA and German aerospace research center DLR is expected to focus on the role rotor tip vortices play in helicopter noise by r
Mar 30, 2010 - 11:23 AM
The lobbying association for the French helicopter industry, the Union Française de l’Hélicoptère (UFH), is raising concerns about gestating noise rules th
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May 2, 2008 - 6:02 AM
Helicopter manufacturers are exploring a number of technologies to reduce noise, both that perceived from the ground and inside the cabin.
Apr 3, 2007 - 8:55 AM
Reducing vibration and noise is key to the goal of gaining public acceptance of the rotorcraft as a routine mode of transport.