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Conference Papers Year : 2014

PHM:Enabling Condition Based Maintenance for Helicopters

Falk Hoffmann
  • Function : Author


Health and Usage Monitoring Systems (HUMS) for rotorcraft have been available since the early 1990s. The potential benefits of installing HUMS and transitioning towards Condition Based Maintenance (CBM), such as enhanced operating safety, increased availability, and reduced Direct Operating Costs (DOC) have been widely discussed, and their realization has been the subject of many research projects and operational trials in the past years. While HUMS installation and utilization has recently surged in the military environment, commercial applications have progressed at a much slower rate. Presently, HUMS are installed almost exclusively by operators in the Oil & Gas industry, to meet regulatory requirements that practically apply specifically to this industry. However, today there is a rising request coming also from other civil helicopter operators to exploit the full potential of HUMS. Helicopter manufacturers, like Airbus Helicopters, now have the challenging task to answer these demands with suitable HUMS and novel maintenance strategies that take advantage of condition and usage monitoring technologies. To ensure the success of HUMS services, the specific needs of the end users must thoroughly be taken into account, which is the main difficulty due to the diversity of customers and their expectations towards the usage of helicopters. One of the main challenges in promoting Condition Based Maintenance lies in providing a cost-benefit justification. As the extent of the benefits is very difficult to predict in advance, a more generic and qualitative assessment must be established. The keynote lecture will review the challenges that are faced in the application of HUMS and services built around such systems and will provide some answers and perspectives to next generation systems.
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Dates and versions

hal-01010066 , version 1 (19-06-2014)


  • HAL Id : hal-01010066 , version 1


Falk Hoffmann. PHM:Enabling Condition Based Maintenance for Helicopters. EWSHM - 7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France. ⟨hal-01010066⟩
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