Probability vs consequence graph, perexcerpt from FAA AC 25.1309-1A
<p>FAA Federal Aviation Administration
Date Issued
June 21, 1988
Responsible Office
</p>
ANM-112,  Northwest Mountain Region - Transport Airplane Directorate
1988-06-21
<p><a rel="nofollow" class="external free" href="https://www.faa.gov/regulations_policies/advisory_circulars/index.cfm/go/document.information/documentID/22680">https://www.faa.gov/regulations_policies/advisory_circulars/index.cfm/go/document.information/documentID/22680</a>
</p>
<a rel="nofollow" class="external free" href="http://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_25_1309-1A.pdf">http://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_25_1309-1A.pdf</a>