405. Which LES should a GMDSS Radio Operator select to update an Inmarsat-C Distress alert message if the vessel is in the southern Pacific Ocean near the Dateline and logged-in to the POR satellite?

Inmarsat-C distress alert updates in the southern Pacific Ocean near the Dateline, when logged into the POR satellite, require selection of either Burum (Australia) or Santa Paula (USA) LES to align with relevant SAR jurisdiction.