Evaluation of the annoyance due to helicopter rotor noise
By: Harry Sternfeld, Jr., and Linda Buskoswki Doyle.
Contributors: Doyle, Linda Bukowski.; United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.
Series: NASA contractor report ; NASA CR-3001; NASA contractor report -- NASA CR-3001.
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Office; for sale by the National Technical Information Service
Published: 1978
Place of publication: Washington; Springfield, Va
Language: eng
Number of pages: 67
Subjects: Helicopters -- Noise.; Rotors (Helicopters) -- Noise.
Notes: Prepared for Langley Research Center, Hampton, Va., under contract NAS1-14192.

Issued June 1978.

Includes bibliographical references.