This Standard has been superseded by ECSS-Q-ST-20C Rev.1 (1 March 2013)
This Standard defines the quality assurance (QA) requirements for the establishment and implementation of a Quality Assurance programme for products of space projects.
Discipline related qualification aspects are complemented in standards specific to those disciplines (e.g. ECSS-E-ST-32-01 for fracture control).
For software quality assurance, the software product assurance standard, ECSS-Q-ST-80 is applicable.
This Standard is applicable to all space projects.
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This Standard cancels and replaces ECSS-Q-20B (08 March 2002).