The Brazilian Navy has recently armed its Piratini-class patrol ships – NPa Piratini (P10), NPa Pirajá (P11), NPa Penedo (P14), and NPa Poti (P15) – with manually controlled 20 mm Oerlikon GAM-B01 gun mounts, replacing the 20 mm pedestal-mounted Oerlikon Mk 10 gun system. The boats
