HRD5 Quality Levels
The following table describes the quality levels for the HRD5 model.
Level
Description
0
Components are procured on commercial considerations only, with no evidence of reliability.
1
Components are procured on commercial considerations, but with evidence (usually from the component vendor) of reliability.
2
Components are procured on the basis of sufficient quality and reliability demonstration. Procurement specifications require that the components have suitable reliability for the purpose.
3
Fully assessed reliability.