Overlapping grid lines in Area of Responsibility (AoR) for simultaneous SAR Ops in search boxes.
Dark Green: Republic of Singapore
Singapore Rescue Coordination Centre (SRCC)
Light Green: Malaysian Maritime Enforcement Agency (MMEA)
Maritime Search and Rescue Coordination Center (MRCC) Putrajaya / Maritime Rescue Coordination Subcenter (MRSC) Kuantan
Hatched Area: Vietnam Coast Guard (VCG)
Vietnam Maritime Search and Rescue Coordination Center (MRCC) Vungtau for Zone 03
Contact lost along Airway R208 right before Waypoint IGARI.
National Geospatial-Intelligence Agency (NGA) nautical chart for Region 09 shows soundings to be within technical diving (scuba) depth.