O'Keefe, John Daniel2014-03-142014-03-141990etd-02022010-020050http://hdl.handle.net/10919/40881The objective of this study is to determine the Operational Availability (A₀) for a major sonar system installed in the U.S. Navy's nuclear submarine fleet based on data obtained from fleet operational submarines. Recent tests indicate that the system is not meeting the specified A₀ of .95. This study analyzes the A₀ to determine specific areas that are of concern and provides recommended actions for improving the A₀.x, 166 leavesBTDapplication/pdfenIn CopyrightLD5655.V851 1990.O433SonarSystems availabilityMaster's projecthttp://scholar.lib.vt.edu/theses/available/etd-02022010-020050/