Noise characteristics of eight helicopters /
| Main Author: | |
|---|---|
| Corporate Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington : Springfield, Va. :
Dept. of Transportation, Federal Aviation Administration, Systems Research & Development Service ; for sale by the National Technical Information Service,
1977
|
| Series: | Report (United States. Federal Aviation Administration. Systems Research and Development Service) ;
FAA-RD-77-94 |
| Subjects: |
| Item Description: | Cover title Report date: July 1977 "Acoustic data acquired and processed into format by the Noise Measurement and Assessment Laboratory, Transportation Systems Center, Cambridge, Massachusetts." |
|---|---|
| Physical Description: | xiv, 153 p. : ill., graphs, map ; 28 cm |
| Bibliography: | Bibliography : p. 153 |