HUMS

The success of HUMS results from the ability of maintenance personnel to monitor critical rotating components, and to change out these components before they fail. “The importance of this challenge was demonstrated as the UK Air Accident Investigation Board was able to identify six UK accidents, in the seven-year period before the service introduction of HUMS, that HUMS could have prevented.” Another paragraph in the same paper states that “as early as 1997 studies by the CAA show that HUMS were able to provide warning for 69% of the failure types, and that they warned successfully in 60% of all potentially catastrophic failure cases.”  A second reason for its success was that it now had the focus of the operators, manufacturers, and regulating agencies working to improve safety standards on the North Sea...