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Ojika-class patrol vessel
Photo: Cp9asngf · Wikimedia Commons · CC BY-SA 3.0
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Ojika-classpatrolvessel

Offshore Patrol Vessels (OPV) · Japan · 1990
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Ojika-classpatrolvessel

Ojika-class patrol vessel
Ojika-class patrol vessel Photo: Cp9asngf · Wikimedia Commons · CC BY-SA 3.0
* Absolute score — assessed within category · no era adjustment
Endurance
60
Range
55
Sea-Keeping
70
Versatility
65
Aviation
30
Sensors
50
Affordability
80
Self-Defence
40
Reliability
85
Cost-Effectiveness
75
Origin Japan
CategoryOffshore Patrol Vessels (OPV)
EraCold War
In service1990–2000
Operators1 countries
Quantity7
Data Quality82%
60
Offshore Patrol Vessels (OPV) MASS Rating
7/9
Cold War
55/72
All-Time
Offshore Patrol Vessels (OPV) · 10 axes scored
Endurance
60
Range
55
Sea-Keeping
70
Versatility
65
Aviation
30
Sensors
50
Affordability
80
Self-Defence
40
Reliability
85
Cost-Effectiveness
75
ⓘ Regardless of era, the same scoring system applies to all units in the offshore patrol vessels (opv) category.
01 / Overview
Ojika-class patrol vessel
Country
Production
1990–2000
Quantity
7
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
OFFSHORE PATROL VESSELS (OPV) · COLD WAR
7
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
60
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
  • Hull ClassificationPL
  • Ship TypePatrol Vessel
  • Ships in Class7
  • In ServiceYes
◈Displacement2MOD.2
  • Standard Displacement1,883 t
  • Full Load Displacement1,269 t
▣Dimensions3MOD.3
  • Length (overall)91.5 m
  • Beam11 m
  • Draft3.5 m
◇Complement1MOD.1
  • Total Complement34
◆Propulsion8MOD.8
  • Propulsion Type*2 × shafts *2 × diesel engines *(7,000 ps/5,148kW)
  • Arrangement (CODAG/COGAG…)twin-shaft
  • Number of Engines2
  • Shaft Power5,148 kW
  • Shafts / Screws2
  • Top Speed20 kn
  • Range3,000
  • Nuclear-PoweredNo
▤Gun Armament4MOD.4
  • Main GunKDC 35 mm twin cannon
  • Main Gun Calibre35 mm
  • Main Gun Count1
  • Secondary GunsJM61-M 20 mm
▲Underwater Warfare3MOD.3
◎Aviation4MOD.4
◈Sensors & Combat Systems4MOD.4
▣Survivability5MOD.5
◇Fleet Status7MOD.7
  • Completed7
  • Active7
  • Under Construction0
  • Cancelled0
  • Lost0
  • Retired1
  • Preserved0
03 / History
SERVICE LIFESPANStill in Service
  1. 1990Production started
  2. 1993Entered service
  3. 2000Production ended
36
years in service
10
years in production
7
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE2terms
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
📖 ENCYCLOPEDIA Browse the Offshore Patrol Vessels (OPV) entry →