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Recent Studies of Runway RoughnessRecent studies of NASA research related to aircraft operating problems on rough runways are presented. Some of these investigations were conducted cooperatively with the airport operators, with the Federal Aviation Agency, and with the U.S. Air Force. The studies show that criteria based on power spectral levels of runway-profile data are not sufficient to define acceptable levels of runway roughness from the piloting viewpoint. Because of the large variation in response characteristics between various types of aircraft, a runway may be acceptable for some aircraft and unacceptable for others. A criterion for roughness, therefore, should be expressed in terms of aircraft response - preferably, cockpit acceleration. A criterion suggested is that the maximum vertical acceleration in the cockpit should not exceed +/- 0.4 g for sections of the runway where precise aircraft control is required.
Document ID
20000011969
Document Type
Conference Paper
Authors
Morris, Garland (NASA Langley Research Center Hampton, VA United States)
Hall, Albert W. (NASA Langley Research Center Hampton, VA United States)
Date Acquired
August 19, 2013
Publication Date
January 1, 1965
Publication Information
Publication: NASA Conference on Aircraft Operating Problems: A Compilation of the Papers Presented
Subject Category
Aircraft Design, Testing and Performance
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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