De Zeven Provinciën-class frigates HNLMS Tromp (F803) Class overview Name: De Zeven Provinciën class Builders: Royal Schelde, Vlissingen Operators: Royal Netherlands Navy Preceded by: Tromp class Cost: €600 million ($816 million) In commission: 26 April 2002 – present Completed: 4 Active: 4 General characteristics Type: Air-defense and command frigate Displacement: 6,050 tonnes (full load) Length: 144.24 m (473.2 ft) Beam: 18.80 m (61.7 ft) Draught: 5.18 m (17.0 ft) Propulsion: Combined diesel and gas 2 × Wärtsilä 16 V26 marine diesel engines, 4.2 MW (5,600 hp) each 2 × Rolls Royce Spey SM 1C gas turbines, 18.5 MW (24,800 hp) each 4 × Wärtsilä-Deutz D620 V12 diesel-generators, 1,680 kW (2,250 hp) each 2 × propeller shafts, 5-bladed controllable pitch propellers Speed: 30 knots (56 km/h; 35 mph) Range: 4,000 nmi (7,400 km; 4,600 mi) at 18 knots (33 km/h; 21 mph) Complement: 30 officers, 202 ratings Sensors and processing systems: Thales Nederland SMART-L long-range air and surface surveillance radar Thales Nederland APAR air and surface search, tracking and guidance radar (I band) DECCA NAV navigation radar Thales Nederland Scout (Low Probability of Intercept)surface search/navigation radar Thales Nederland Sirius IRST long-range infrared surveillance and tracking system Thales Nederland Mirador optical surveillance and tracking system Atlas Elektronik DSQS-24C hull-mounted sonar MK XII IFF system Electronic warfare & decoys: 2 × Thomson Racal (now Thales) Sabre ECM suite 4 × Sippican Hycor SRBOC MK36 launcher 1 × AN/SLQ-25 Nixie torpedo decoy Armament: Guns: 1 × Oto Melara 127 mm/54 dual-purpose gun 2-4 × Browning M2 12.7mm machine guns 4-6 × FN MAG 7.62mm machine guns 1-2 × Goalkeeper CIWS Missiles: 40-cell Mk.41 vertical launch system 32 × SM-2 IIIA surface-to-air missiles 32 × Evolved Sea Sparrow Missile (quadpacked) 8 × Harpoon anti-ship missiles 2 × twin MK32 Mod 9 torpedo launchers with Raytheon MK46 Mod 5 torpedoes Aircraft carried: 1 × NH-90 helicopter Aviation facilities: Hangar and flight deck for 1 medium sized helicopter