Data Quality87%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the mine countermeasures vessels (mcm) category.
01 / Overview
modified Ton-class minesweeper
Country
Production
1967–1972
Quantity
119
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MINE COUNTERMEASURES VESSELS (MCM) · COLD WAR
35
PERFORMANCE/PRICE
87
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the mine countermeasures vessels (mcm) category, regardless of era.
02 / Specs & Design
◎Identification6MOD.6
- Hull Classificationminesweeper
- Ship TypeMinesweeper
- BuilderJohn I. Thornycroft & Company
- Commissioned1955
- Ships in Class115
- Rolecoastal minesweeper
◈Displacement & Dimensions4MOD.4
- Full Load Displacement425 t
- Length46.3 m
- Beam8.53 m
- Draft2.44 m
▣Propulsion4MOD.4
- Propulsion TypeMirrlees diesel, later Napier Deltic
- Shaft Power3,000 kW
- Top Speed15 kn
- Complement (crew)33
◇Self-Defense1MOD.1
- Main GunBofors 40 mm gun
03 / History
SERVICE LIFESPANStill in Service
- 1967Production started
- 1969Entered service
- 1972Production ended
- 1982First deployment: Falklands War
59
years in service
5
years in production
119
units produced
2
countries operating
ⓘ The producing country still actively operates it. 6 countries retired it.
04 / Operators
Operator Countries8country
05 / MASS Score
MINE COUNTERMEASURES VESSELS (MCM) RANKING Mine Countermeasures Vessels (MCM) · Cold War
MASS RANKINGSMASS ↗
97MINE COUNTERMEASURES VESSELS (MCM)35COLD WAR · MINE COUNTERMEASURES VESSELS (MCM)36AUSTRALIA · ALL WEAPONS28PERFORMANCE/PRICE · MINE COUNTERMEASURES VESSELS (MCM)
ⓘ Rankings are within theMine Countermeasures Vessels (MCM)category.
📚 Sources