Gov't to assess low-frequency noises from Osprey aircraft in Okinawa

The government plans to assess the impact of low-frequency noises caused by the U.S. Marine Corps' MV-22 Osprey tilt-rotor aircraft in response to calls from Okinawa Prefecture, where the aircraft are deployed, government sources said Saturday. A panel will be set up in April to devise new environmental standards, while the Defense Ministry may send officials to the United States, where the aircraft were developed, to look into relevant studies.

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