Maintenance and Modifications
Hot section: HAI/FAA Work on Credit for Hums-Equipped Helicopters
The useful life of a given helicopter’s components can vary significantly depending upon its mission, making predictive maintenance challenging, but that

The useful life of a given helicopter’s components can vary significantly depending upon its mission, making predictive maintenance challenging, but that might be changing.

The FAA Aviation Research Grants Program has awarded the Helicopter Association International (HAI) a cooperative agreement to support research in the area of health and usage monitoring systems (Hums). According to HAI president Matt Zuccaro, the purpose of Hums is to detect mechanical degradation of the helicopter powertrain to reduce unscheduled maintenance, enhancing aircraft availability and avoiding mechanical failures in flight.

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