Assessing the Impact of Spares Reductions on CF-18 Operations


  1. Adamsson, J.
Corporate Authors
Operational Research Div, Ottawa ONT (CAN) Directorate of Operational Research (Maritime, Land & Air)
In response to an upcoming reduction in the NP budget for the CF-18 fleet, DASOR was asked to assist in quantifying the fleet impact of a reduction in the repair rate of unserviceable parts. It is believed that the reduction in the repair rate of unserviceable parts. It is believed that the reduction in funds will impose a situation where unserviceable parts are not being repaired to save-on costs, resulting in aircraft being down due to a shortage of spare parts. In response to this request, the Reduction of Spares Impact MOdel (RSIM) was created. This model uses actual failure rates and stockpile levels. Varying the repair rate allows a determination of the impact on the fleet size. It has been found that at a 90% repair rate (the best estimate based on expert knowledge), a significant impact will begin to be felt by the fleet in mid-2003. The ability of the fleet to sustain a long-term deployment will be jeopardized by mid-2004, and the ability to deploy aircraft at all will be jeopardized by mid-2005.

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CF-18;DASOR;Fleet impact;Reduction of Spares Impact Model;RSIM;Repair rates;Fighters;Maintenance;MTBR;Mean Time Between Replacement;Spares;@Risk;Force Structure;Force Employment;ASTRA;Air Force Structure Analysis;Serviceability
Report Number
ORD-DOR(MLA)-RN-2002-12 — Research Note
Date of publication
01 Nov 2002
Number of Pages
Hardcopy;Document Image stored on Optical Disk

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