Prediction and modeling of helicopter noise
By: by Richard Raspet, Mark Kief, Raymond Daniels.
Contributors: Kief, Mark.; Daniels, Raymond.; Construction Engineering Research Laboratory.
Series: Technical report -- N-186.; Technical report (Construction Engineering Research Laboratory) -- N-186.
Publisher: US Army Corps of Engineers, Construction Engineering Research Laboratory; National Technical Information Service, distributor
Published: 1984
Place of publication: Champaign, Ill; [Springfield, VA
Language: eng
Number of pages: 52
Subjects: Helicopters -- Noise.
Other titles: Standard methods to assess rotary-wing aircraft sound decay with distance.
Notes: Cover title.

"Standard methods to assess rotary-wing aircraft sound decay with distance."

Distributed to depository libraries in microfiche.

"August 1984."

Bibliography: p. 51-52.

Final.

4A162720A896-A-028.