The Application of a Readiness-Based Sparing Model to Foreign Military Sales
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING
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Current Foreign Military Sales FMS models provide stock levels that result in a very low system availability or a funding requirement that exceeds the overall budget. The purpose of this research was to determine if an inventory model exists that can be used in FMS reparable sparing to provide a more efficient and economical inventory purchase. The Aircraft Sustainability Model ASM is such a model, providing the most aircraft availability possible from a given inventory investment by computing the optimal number of spare parts to buy for each item. FMS data was obtained from two sources - the International Data System IDS and the International Weapon Item Projection System IWIPS. Both systems are currently used in FMS reparable sparing to provide stock level requirements to customer countries. The data obtained from these FMS systems included part data, program data, and actual recommended stock level quantities calculated by the respective FMS systems. The ASM when compared to the current FMS models computed reasonable stock levels and provided better aircraft availability for a given level of expenditure. The comparison verified that the ASM is preferable to current FMS reparable sparing techniques in the computation of stock level requirements. Models, Mathematical models, Foreign military sales, Spare parts, Weapon system effectiveness, Logistics.
- Logistics, Military Facilities and Supplies