CAMP AGUINALDO, Quezon City — The Philippine Navy’s (PN) BRP Benguet (LS507) warned off and issued consecutive radio challenges to China’s People’s Liberation Army Navy Ship 621 (PLAN 621) after it shadowed the former at an 80-yard distance and attempted to cross LS507's bow with a CPA (closest point of approach) of 350 yards at 5.8 Nautical Miles South West of Pag-asa Island on Friday, October 13. The PN vessel was en-route to Rizal Reef Station for the conduct of a regular rotation and resupply (RoRe) mission when the incident happened.
The PN crew cited the violation of the Collision Regulations (COLREG) in its radio challenges, and demanded that the Chinese vessel to steer clear of the BRP Benguet.