Failure Modes and Effects Analysis

Basics

• A System used by NASA to deal with, and diagnose risk of failure of a system (Such as a launch vehicle)

Criticality Levels

Criticality 1

• Loss of Life and/or Vehicle if componet/subsystem fails

Criticality 2

• Loss of Mission if componet/subsystem fails

Criticality 3

• All Others

Criticality 1R

• Same as Criticality 1 but with redundant systems, if all fail there is Loss of Life and/or Vehicle

Criticality 2R

• Same as 1R but with Criticality 2

Useful Links

• The Wikipedia Page on Failure Modes and Effects Analysis
• This Portion of a Video by the Youtube Channel "Everyday Astronaut" goes over the system and it's use for the space shuttle program by NASA"