1. Federal Aviation Administration, Helicopter Flying Handbook, Chapter 04: Helicopter Components, Sections, and Systems. [Online]. Available: www.faa.gov/regulationspolicies/handbooksmanuals.
2. Hums-the benefits-past, present and future;Land,2001
3. Health and Usage Monitoring Systems Toolkit;Joint Helicopter Safety Implementation Team,2013
4. The IMD HUMS as a tool for rotorcraft health management and diagnostics;Hess,2001
5. Cap 1145-Safety Review of Offshore Public Transport Helicopter Operations in Support of the Exploitation of Oil and Gas;Civil Aviation Authority,2014