Definition: | ability to perform as and when required
Note 1 to entry: Dependability includes availability (192-01-23), reliability (192-01-24), recoverability (192-01-25), maintainability (192-01-27), and maintenance support performance (192-01-29), and, in some cases, other characteristics such as durability (192-01-21), safety and security. Note 2 to entry: Dependability is used as a collective term for the time-related quality characteristics of an item.
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