Aging Aircraft Repair-Replacement Decisions with Depot-Level Capacity as a Policy Choice Variable

by Edward G. Keating, Don Snyder, Matthew C. Dixon, Elvira N. Loredo


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Continuing a sequence of RAND Corporation reports considering aging aircraft and the decision whether to repair or to replace them, this report presents a model of the repair-replace decision and data describing the C-5A cargo aircraft. In the report, the authors examine the decision whether to modify or retire the C-5A fleet. They also extend the modeling approach to evaluate prospective investment in additional depot-level capacity. The study’s preliminary conclusions are that the C-5A’s planned reliability enhancement and re-engining program modification is worthwhile if it occurs soon, as are investments in its depot-level capacity. The U.S. Air Force highly values an available C-5A year. Hence, the model is averse to large-scale queuing and delay in the C-5A maintenance system.

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The research reported here was sponsored by the United States Air Force and conducted by RAND Project AIR FORCE.

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