The P-3 can stay on station over the ocean for 12-14 hours at a stretch, and carries both ASW weapons and anti-ship missiles. It can conduct searches, and coordinate with surface ships, strengthening the navy's capabilities to protect Taiwanese sea lanes of communication in the South China Sea. Besides surface and submarine warfare, the third component of naval power is amphibious capability.
這類巡邏機，在海上停留的時間可長達十二到十四小時，載台上有反潛武器、攻船飛彈等，可長期在空中執行搜索任務，也可與航程甚遠的大型軍艦搭配，增強我對南海防衛實力。