Zeeland, the second in a series of four patrol vessels OGPV (Ocean Going Patrol Vessel), was integrated mast. Impressive design I-Mast 400, designed and made by Thales, weighing 52 tons and a height of 13.6 meters was installed in dry dock shipyard Damen.
Built-mast I-M400 includes radar Smile (SeaMaster 400) capable of detecting airborne targets at a distance of 250 km. Four phased radar antenna provides an overview of groove. For radar surveillance radar designed topside surface Seastar, which is optimized for obnaruzheniyaf vysokorostnyh small boats, including semi-rigid and personal watercraft. To protect against asymmetric threats on I-M400 installed optoelectronic system monitoring and warning Gatekeeper. Ability OGPV with these devices are equivalent to the frigate.
OGPV ship has a length of 108 meters and a width of 16 meters and a displacement of 3750 tons Armament, 76-mm gun mounts OTO Melara, 30-mm gun mount with remote control OTO Melara Marlin and two 12.7-mm machine gun. The ship can take on board NH90 helicopter and two speedboats type FRISC (Fast Raiding Interception Special Forces Crafts) development of the English company MST.