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Chamois-class minesweeping sloop
Photo: Royal Navy official photographer · Wikimedia Commons · Public domain
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Chamois-classminesweepingsloop

Mine Countermeasures Vessels (MCM) · France · 1935
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Chamois-classminesweepingsloop

Chamois-class minesweeping sloop
Chamois-class minesweeping sloop Photo: Royal Navy official photographer · Wikimedia Commons · Public domain
MASS (Military Archive Scoring System) 14
* Absolute score — assessed within category · no era adjustment
Mine-Hunting Effectiveness
10
Sonar & Sensors
5
Low Signature
15
Clearance Rate
10
UUV Integration
0
Endurance
50
Reliability
40
Survivability
10
Technology
5
Cost-Effectiveness
30
Methodology ↗ → Mine Countermeasures Vessels (MCM) ranking
Origin France
ManufacturerAteliers et Chantiers de la Loire
CategoryMine Countermeasures Vessels (MCM)
EraInterwar Period
In service1935–1939
Operators3 countries
Quantity24
⬇ Overview
⚙ Specs
⊕ History
⊕ Operators
⚖ MASS Score
📚 Sources
Data Quality86%
MASS(Military Archive Scoring System)
⊟ Mine Countermeasures Vessels (MCM)ranking ↗methodology ↗
14
Mine Countermeasures Vessels (MCM) MASS Rating
23/23
Interwar Period
172/173
All-Time
Mine Countermeasures Vessels (MCM) · 10 axes scored
Mine-Hunting Effectiveness
10
Sonar & Sensors
5
Low Signature
15
Clearance Rate
10
UUV Integration
0
Endurance
50
Reliability
40
Survivability
10
Technology
5
Cost-Effectiveness
30
ⓘ Regardless of era, the same scoring system applies to all units in the mine countermeasures vessels (mcm) category.
01 / Overview
Chamois-class minesweeping sloop
Category
Mine Countermeasures Vessels (MCM)
Country
France
Prime contractor
Ateliers et Chantiers de la Loire
Production
1935–1939
Quantity
24
Operators
3 countries
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MINE COUNTERMEASURES VESSELS (MCM) · INTERWAR PERIOD
23
PERFORMANCE/PRICE
46
UNIT COST (2025 USD)
—
MASS SCORE ↗
14
mine countermeasures vessels (mcm) category
ⓘ Performance/Price and MASS score are computed across all units in the mine countermeasures vessels (mcm) category, regardless of era.
02 / Specs & Design
◎Identification7MOD.7
  • Hull ClassificationAvisos dragueur de mines
  • Ship Typeminesweeping sloop
  • BuilderArsenal de Lorient, Ateliers et Chantiers de la Loire, Ateliers et Chantiers de Provence, Forges et Chantiers de la Gironde, Forges et Chantiers de la Méditerranée
  • Commissioned1939
  • Ships in Class24
  • Roleanti-submarine, convoy escort, patrol
  • In ServiceYes
◈Displacement & Dimensions5MOD.5
  • Light Displacement647 t
  • Full Load Displacement647 t
  • Length78.3 m
  • Beam8.7 m
  • Draft3.28 m
▣Capacity3MOD.3
◇Propulsion5MOD.5
  • Propulsion Typediesel
  • Shaft Power3,432 kW
  • Top Speed20 kn
  • Range10,000
  • Complement (crew)88
◆Aviation4MOD.4
▤Self-Defense3MOD.3
⬢Fleet Status7MOD.7
  • Completed12
  • Under Construction0
  • Planned24
  • Cancelled12
  • Lost5
  • Retired7
  • Preserved0
▲Armour3MOD.3
  • Armournone
  • Belt Armour0 mm
  • Deck Armour0 mm
03 / History
SERVICE LIFESPANStill in Service
  1. 1935Production started
  2. 1939Production ended
91
years in service
4
years in production
24
units produced
1
countries operating
ⓘ The producing country still actively operates it. 2 countries retired it.
04 / Operators
Operator Countries3country
FranceACTIVEGermanyRETIREDItalyRETIRED
Mine Countermeasures Vessels (MCM) Interwar Period France Ateliers et Chantiers de la Loire
📚 Sources
📖 ENCYCLOPEDIA Browse the Mine Countermeasures Vessels (MCM) entry →