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Patrol & mine warfare vessels2010–presentProfile in progress
Offshore patrol vessel
Viana do Castelo-class patrol vessel is a offshore patrol vessel. It was built by Estaleiros Navais de Viana do Castelo (ENVC) and West Sea Shipyard. Reported operators include Portuguese Navy.
Technical data
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 2 Oct 2026 | 83.1 m | Wikipedia contributors | superseded |
| 2 Oct 2026 | 83.1 m | Wikipedia contributors | superseded |
| 2 Oct 2026 | 83.1 m | Wikipedia contributors | superseded |
| 2 Oct 2026 | 83.1 m | Wikipedia contributors | approved |
Estaleiros Navais de Viana do Castelo (ENVC) and West Sea Shipyard
Portuguese Navy
João Coutinho -class corvette
NPO - ocean patrol vessel NCP - anti-pollution vessel
2010–present
10
4
4
Offshore patrol vessel
1,850 tons
83.10 m (272 ft 8 in)
12.95 m (42 ft 6 in)
3.82 m (12 ft 6 in)
2 x Wärtsilä diesel engines (3,900 kW (5,200 hp) each), 2 electric engines (200 kW (270 hp) each)
21 knots (39 km/h; 24 mph) maximum
2 x Rigid Inflatable Boats
35 accommodation for 32 more
Leonardo Medusa MK4/B electro-optical fire control system, Electro-optical SAGEM / VIGY, 2x KH Manta2000 navigation radar, iXblue Quadrans inertial navigation system, Furuno Electric's FAR-3230 F-band, FAR-3220 I-band navigation radars
1 × 30 mm Oto Melara Marlin WS 2 × M2 Browning machine gun 2 x MG 3 machine gun
Medium-sized helicopter pad but no hangar supporting Super Lynx Mk.95
Anti-pollution version (NCP) System for recovery and transfer of pollutants spilled on the ocean. Barrier launcher. 2 × Floating tank of "Unibag" type, of 50 m3 each. 1 × Internal coil of vapor circulation, to allow the heating of the existing pollutant products inside of the tanks, to facilitate their extraction.
Viana do Castelo was temporarily commissioned with an old 40 mm gun, but the Portuguese Navy is acquiring two 30 mm Oto Melara Marlin guns for the first two vessels.
Armament consists of a 30 mm Oto Melara Marlin, it replaces one 40 mm L/60 turreted gun in NRP Viana do Castelo , and four mounts to be armed with two 7.62 mm light machine guns and two 12.7 mm M2 Browning as well as two launching systems for MK55 Mod 2 mines . The ships are designed to operate automated 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.
The third series of the Viana do Castelo class will be armed with one 30 mm Oto Melara Marlin, one Mark 32 torpedo tube , one launching system for MK55 Mod 2 mines, countermeasure launcher, two Protector RWS and various 12.7 mm M2 Brownings.
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.