Health and Usage Monitoring System : A system that acquires data from specialised sensors that measure various parameters related to the airworthy condition of the aircraft and its systems.
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}