Military Methods For Civilian Spare Parts

Denton, Alan
April 2004
Logistics & Transport Focus;Apr2004, Vol. 6 Issue 3, p35
Trade Publication
This article discusses an optimal approach for purchasing commercial aircraft spare parts. One of the key strategies for providing high aircraft availability is the management of the type, quantity and distribution of serviceable spare components, yet most airlines leave the strategic part of this task to engineering inventory planners. The single item at a time planning approach is attractive in its simplicity and well adapted to the computing power available when it was developed, but it does have some major shortcomings. Traditional methods always produce a sub-optimal solution, which represents an opportunity for the serious airline logistician willing to adopt a proven methodology from his defense industry peers. A modern tool of this type combines the marginal analysis optimization engine with a simulation engine to assess system performance in a convenient graphical user interface. The traditional method is so labor intensive that usually only one or two reviews of the Recommended Spares Purchasing List is possible before money has to be spent to support arriving aircraft.


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