Data Quality82%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the offshore patrol vessels (opv) category.
01 / Overview
Viana do Castelo-class patrol boat
Category
Country
Prime contractor
Production
2010–
Quantity
4
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
OFFSHORE PATROL VESSELS (OPV) · MODERN ERA
10
PERFORMANCE/PRICE
76
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the offshore patrol vessels (opv) category, regardless of era.
02 / Specs & Design
◎Identification6MOD.6
- Hull ClassificationOffshore patrol vessel
- Ship TypeOffshore Patrol Vessel (OPV)
- Builder / ShipyardEstaleiros Navais de Viana do Castelo (ENVC) and West Sea Shipyard
- Commissioned2010
- Ships in Class10
- In ServiceYes
◈Displacement1MOD.1
- Standard Displacement1,850 t
▣Dimensions3MOD.3
- Length (overall)83.1 m
- Beam12.95 m
- Draft3.82 m
◇Complement1MOD.1
- Total Complement35
◆Propulsion7MOD.7
- Propulsion TypeDiesel-electric
- Arrangement (CODAG/COGAG…)Twin-screw
- Number of Engines4
- Shaft Power3,900 kW
- Shafts / Screws2
- Top Speed21 kn
- Nuclear-PoweredNo
▤Gun Armament4MOD.4
- Main GunOto Melara Marlin 30 mm
- Main Gun Calibre30 mm
- Main Gun Count1
- Secondary Guns2 × M2 Browning 12.7 mm, 2 × MG 3 7.62 mm
⬢Missile Armament3MOD.3
▲Underwater Warfare4MOD.4
- Torpedo Tubes1
- ASW CapabilityNo
- Hull-Mounted SonarNo
- Towed Array SonarNo
◎Aviation5MOD.5
- Embarked Helicopters1
- HangarNo
- Flight DeckYes
- Fixed-Wing Aircraft0
- UAV CapabilityNo
◈Sensors & Combat Systems6MOD.6
- Air-Search RadarFuruno Electric's FAR-3230 F-band, FAR-3220 I-band
- Surface / Fire-Control RadarKH Manta2000
- Phased-Array RadarNo
- Combat SystemLeonardo Medusa MK4/B electro-optical fire control system, Sagem SA Vigy 10 MKIII
- Aegis / EquivalentNo
- Electronic WarfareNo
▣Survivability5MOD.5
- CBRN CitadelNo
- DegaussingNo
- Hull MaterialSteel
- Stealth ShapingNo
- Automated Damage ControlNo
◇Fleet Status3MOD.3
- Completed4
- Active4
- Planned10
03 / History
SERVICE LIFESPANStill in Service
- 2010Production started
- 2011Entered service
16
years in service
4
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
OFFSHORE PATROL VESSELS (OPV) RANKING Offshore Patrol Vessels (OPV) · Modern Era
MASS RANKINGSMASS ↗
23OFFSHORE PATROL VESSELS (OPV)10MODERN ERA · OFFSHORE PATROL VESSELS (OPV)3PORTUGAL · ALL WEAPONS64PERFORMANCE/PRICE · OFFSHORE PATROL VESSELS (OPV)
ⓘ Rankings are within theOffshore Patrol Vessels (OPV)category.
📖 TERMS ON THIS PAGE1terms
The upper deck of an aircraft carrier, equipped for aircraft takeoff, landing, and maintenance operations.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources