Armament
Armament consists of a 30mm Oto Melara Marlin or a 40mm L/60 turreted gun, and two manned mounts to be armed with 7.62mm light machine guns as well as two launching systems for MK55 Mod 2 mines. The ships are designed to operate unmanned systems and are equipped with a single Sagem SA Vigy 10 MKIII naval surveillance and observation platform, three water cannons, and two rigid inflatable boats. Each ship is capable of accommodating a Super Lynx MK95 light helicopter.
Read more about this topic: Viana Do Castelo Class Patrol Vessel