The bit I found[0] indicates that its only permitted in immediate life safety situations (eg: someone directly dies or is seriously injured if the radio is not

The bit I found[0] indicates that its only permitted in immediate life safety situations (eg: someone directly dies or is seriously injured if the radio is not used). [0]: https://www.ecfr.gov/cgi-bin/text-idx?SID=6db0db07e83c4044625b8db1e5ab9bf7&mc=true&node=sp47.5.97.e&rgn=div6 https://www.ecfr.gov/cgi-bin/text-idx?SID=6db0db07e83c404462...