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CORRELATION OF OPERATIONAL RELIABILITY WITH INHERENT RELIABILITY OF AIRBORNE TACAN EQUIPMENT.
Final rept., 4 Nov 60-3 Feb 62,
VITRO LABS SILVER SPRING MD
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This study provides a correlation between the operational reliability of airborne electronic equipment and the inherent reliability of the same equipment demonstrated in the manufacturers plant. The airborne portion of a short range navigation system known as TACAN was the subject equipment in the study. Operational reliability was determined from results of a controlled field test of TACAN units installed in fighter interceptor aircraft. Inherent reliability was determined from results of Factory Advisory Group for Reliability of Electronic Equipment AGREE tests required by contract to demonstrate adherence to a specific numerical reliability requirement. Contributing factors to differences bet- factory AGREE reliability and field reliability are examined in detail to provide a basis for assessing the application of AGREE procedures as a means for obtaining reliable electronic equipment in the end use environment. Additional aspects investigated were equipment maintainability and availability, failure re porting procedures, use of elapsed time indica tors, and field resources required for TACAN maintenance. Author
APPROVED FOR PUBLIC RELEASE