While there are a significant number of elements that might be subjected to pre-departure testing as a part of mission-based reliability, it is important to test those that really need testing and ignore those that do not. If too many things are added to the list, operators performing the checks will become insensitive to the tests and treat them with little concern. Expertise in administering and executing MBR will come when participants can accurately distinguish the various shades of gray.

Tip excerpted from Mission Based Reliability A Practical Guide to Quick and Focused Improvements by Daniel T. Daley