The (MIL-STD-882) Matrix reloaded

13/07/2014 — Leave a comment

Just added a modified version of the venerable subjective 882 hazard risk matrix to my useful stuff page in which I fix a few issues that have bugged me about that particular tool, see Risk and the Matrix for a fuller discussion of the problems with risk matrices.

For those of you with a strong interest in such I’ve translated the matrix into cartesian coordinates, revised the risk zone and definitions to make the matrix ‘De Moivre theorem’ compliant (and a touch more conservative), added the AIAA’s combinatorial probability thresholds, introduced a calibration point and added the ALARP principal.

Who knows maybe the US DoD will pick it up…but probably not. 🙂

MIL-STD-882 Hazard Risk Matrix (Modified).

 

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