ISO 16290:2013 Preview
Space systems -- Definition of the Technology Readiness Levels (TRLs) and their criteria of assessment
ISO 16290:2013 defines Technology Readiness Levels (TRLs). It is applicable primarily to space system hardware, although the definitions could be used in a wider domain in many cases.
The definition of the TRLs provides the conditions to be met at each level, enabling accurate TRL assessment.