The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

Prediction methods for Near Field Noise Environments of VTOL Aircraft

Report Number: AFFDL TR 71-180
Author: Sutherland, L. C.
Author: Brown, D.
Corporate Author: Wyle Laboratories
Laboratory: Air Force Flight Dynamics Laboratory
Date of Publication: 1972-05
Pages: 246
Contract: F33615-69-C-1407
Project: 1471
Task: 147102
AD Number: AD0900405

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Lockheed Martin Missiles & Fire Control
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