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You are watching: What sound does a helicopter make

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features The science behind helicopter noise — and also how the industry is functioning to minimize it

The object of noise is never much away for plenty of helicopter operators. We look at where it come from, why helicopter noise appears to create a disproportionate level the complaint, and what can be excellent to aid reduce it.


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Bell has been flight testing its EDAT anti-torque system, i m sorry sees 4 electrically-powered fans installed in the tail fin. Bell Photo

“Manufacturers, operators and also pilots continue to work-related on noise reduction solutions and also the replacement of old fleets should also be motivated as a means to take benefit of the latest technology developments. I think this will certainly greatly contribute to noise reduction in the future.”