Correlations of helicopter noise levels with physical and performance characteristics
Subtitle: a preliminary report
Contributors: United States. Federal Aviation Administration. Office of Environment and Energy
Publisher: Dept. of Transportation, Federal Aviation Administration, Office of Environment and Energy; National Technical Information Service [distributor
Published: 1980
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Number of pages: 25
Subjects: Helicopters -- Noise; Helicopters -- Handling characteristics
Notes: Cover title

"September 1980."

"FAA-EE-80-42."

Includes bibliographical references