Seahawk LW30M A1 is a remote-controlled weapon station (RCWS). The remote-controlled weapon station is a gyro-stabilised, electrically operated, self-contained, single cannon mount featuring a choice of weapon, control mode and sights. The Seahawk weapon options include a 14.5mm Heavy Machine Gun (HMG) and 25mm or 30mm cannons. The five ships are KRI Surik -645, KRI Pari -849, KRI Sembilang -850, KRI Sidat -851 and KRI Pollux -935. All of these PC ships are domestically made.