Investigation at number of sites which might be convenient locations for landing strips within metropolitan area of Boston, Mass. Supersedes NACA -- Tech Note 2728. (received Feb 1955)
Experiments to determine neighborhood reactions to light airplanes with and without external noise reduction
NACA -- Report
1953
43 pages
Report
Englisch
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Experiments in external noise reduction of light airplanes
Engineering Index Backfile | 1950
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