Ships of this class are equipped with one single-mounted Mk44 Bushmaster II 30mm autocannon with laser-optical fire-control system.
And the broadband SATCOM system of this class can relay video data from helicopters to the ground station or the HQ of the JCG.
The JCG had intended to build a number of ships of this design for the successor of PL-101 Shiretoko-class, but this class may not suitable for SAR mission because of the insufficient low-speed mobility.
The Shiretoko class is the older 1,000 ton-class PLs, twenty-eight ships were built in late 1970s and early 1980s.
It was announced that Japan plans to transfer two of the older Shiretoko-class type patrol vessels to the Philippines Coast Guard in 2012.