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River-class patrol vessel
Photo: LA(Phot) Al Macleod · Wikimedia Commons · OGL v1.0
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River-classpatrolvessel

Offshore Patrol Vessels (OPV) · United Kingdom · 2003
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River-classpatrolvessel

River-class patrol vessel
River-class patrol vessel Photo: LA(Phot) Al Macleod · Wikimedia Commons · OGL v1.0
* Absolute score — assessed within category · no era adjustment
Endurance
70
Range
75
Sea-Keeping
65
Versatility
80
Aviation
60
Sensors
55
Affordability
70
Self-Defence
50
Reliability
80
Cost-Effectiveness
75
Origin United Kingdom
ManufacturerVT Group
CategoryOffshore Patrol Vessels (OPV)
EraPost-Cold War
In service2003
Operators4 countries
Quantity14
Data Quality85%
68
Offshore Patrol Vessels (OPV) MASS Rating
4/11
Post-Cold War
16/72
All-Time
Offshore Patrol Vessels (OPV) · 10 axes scored
Endurance
70
Range
75
Sea-Keeping
65
Versatility
80
Aviation
60
Sensors
55
Affordability
70
Self-Defence
50
Reliability
80
Cost-Effectiveness
75
ⓘ Regardless of era, the same scoring system applies to all units in the offshore patrol vessels (opv) category.
01 / Overview
River-class patrol vessel
Prime contractor
Production
2003–
Quantity
14
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
OFFSHORE PATROL VESSELS (OPV) · POST-COLD WAR
4
PERFORMANCE/PRICE
87
UNIT COST (2025 USD)
—
68
offshore patrol vessels (opv) category
ⓘ Performance/Price and MASS score are computed across all units in the offshore patrol vessels (opv) category, regardless of era.
02 / Specs & Design
◎Identification4MOD.4
  • Ship TypeOffshore patrol vessel
  • Builder / ShipyardBAE Systems Maritime – Naval Ships
  • Ships in Class14
  • In ServiceYes
◈Displacement1MOD.1
  • Full Load Displacement2,000 t
▣Dimensions3MOD.3
  • Length (overall)90.5 m
  • Beam13.5 m
  • Draft3.8 m
◇Complement1MOD.1
  • Total Complement50
◆Propulsion9MOD.9
  • Propulsion TypeDiesel
  • Arrangement (CODAG/COGAG…)CODAD
  • Number of Engines2
  • Shaft Power14,700 kW
  • Shafts / Screws2
  • Top Speed20 kn
  • Range5,500
  • Endurance35 day
  • Nuclear-PoweredNo
⬢Underwater Warfare3MOD.3
▲Aviation3MOD.3
◎Sensors & Combat Systems5MOD.5
◈Survivability3MOD.3
▣Fleet Status5MOD.5
  • Completed14
  • Active14
  • Planned14
  • Cancelled0
  • Lost0
03 / History
SERVICE LIFESPANStill in Service
  1. 2003Production started
23
years in service
14
units produced
4
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
📖 TERMS ON THIS PAGE2terms
The upper deck of an aircraft carrier, equipped for aircraft takeoff, landing, and maintenance operations.
Unmanned Aerial Vehicle: a remotely piloted or autonomous aircraft used for reconnaissance, surveillance, or combat missions without a human onboard.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Offshore Patrol Vessels (OPV) entry →