cells. This airport also elected to use color coding to provide a visual cue for the reader (yellow
representing a medium RAC).
In Table D-14, the CRA is used by the FAA ATO in tower siting studies and SRM panels for
proposed changes to the NAS. Table D-14 provides a more granular level of information than
Tables D-12 and D-13. This approach can mitigate causes and system state factors, thus changing
the hazard condition rather than only mitigating the risks. An example of this: A hazardous
condition exists on a commercial aircraft ramp at night because it is dark. By simply lighting the
ramp with highmasted ramp lights, in accord with ACs, the hazardous condition has changed;
the hazard probability of the possible effect of a vehicle—aircraft accident occurring has been
lessened.