Each patrol boat was armed with a single Bofors 40mm gun as main armament, supplemented by two .50 cal Browning machineguns and an 81 mm mortar, although the mortar was removed from all ships sometime after 1988.
Patrol boats were outfitted with a main armament of one Bofors 40mm gun, complemented by two .50 cal Browning machineguns and an 81 mm mortar. However, the mortar was later eliminated from all vessels sometime after 1988.