Structure-borne noise estimates for the PTA aircraft
By: James F. Unruh.
Contributors: United States. National Aeronautics and Space Administration. Scientific and Technical Information Division.
Series: NASA contractor report -- 4315.; NASA contractor report -- NASA CR-4315.
Publisher: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division; National Technical Information Service, distributor]
Published: 1990
Place of publication: [Washington, DC]; [Springfield, Va
Language: eng
Format: Microform
Subjects: Propellers, Aerial.; Airplanes -- Noise.
Other titles: Structure borne noise estimates for the PTA aircraft.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1990] 1 microfiche.