A reliability, maintainability, supportability and availability analysis of a submarine sonar system

The 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.