Improving legacy aircraft systems through Condition-Based Maintenance: an H-60 case study
Reeder, Joshua A.
Millar, Richard C.
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Condition-Based Maintenance (CBM) has been the focus of Department of Defense efforts to reduce the cost of maintaining weapons systems for nearly two decades. Through an investigation of the MH-60S helicopter, this paper uses a gap analysis framework to determine the value of increasing CBM usage. The Naval Aviation Maintenance Program (NAMP) has used scheduled inspections as the backbone of aviation maintenance since 1959. The most significant of these inspections is the phase cycle, which provides inspection of aircraft components based on flight hours. This study uses the MH-60S to conduct a capability gap analysis for CBM in naval aviation. Through the use of a JCIDS Capabilities Based Assessment, the capability gap between the CBM enabling IMD-HUMS and the NAMP phase cycle is determined. From this gap analysis, Earned Value Management (EVM) tools determine the value of closing the CBM capability gap between the phase maintenance and IMD-HUMS in terms of cost and safety. Finally, an alternative phase maintenance structure is proposed for MH-60S maintenance which leverages the CBM capabilities of the IMD-HUMS to reduce total lifecycle costs.
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