Data Quality85%
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
No.1-class minesweeper
Country
Production
1922–1929
Quantity
6
Unit Price (current)
$48.3K↗ 1510% inflation · 1920→2025
Original Price
$3.0K (1920)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MINE COUNTERMEASURES VESSELS (MCM) · INTERWAR PERIOD
14
PERFORMANCE/PRICE
87
UNIT COST (2025 USD)
$48.3K
Original: $3.0K (1920)
Inflation: +%1510
ⓘ 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 ClassificationW-1-class
- Ship TypeMinesweeper
- BuilderSasebo Naval Arsenal, Harima Zōsen, Mitsui Bussan, Ōsaka Iron Works
- Commissioned1923
- Ships in Class6
- RoleMinesweeping and multi-purpose vessel resembling small destroyers
◈Displacement & Dimensions5MOD.5
- Light Displacement600 t
- Full Load Displacement609.6 t
- Length76.2 m
- Beam8.03 m
- Draft2.29 m
▣Propulsion6MOD.6
- Propulsion Type2 shafts, 2 × triple-expansion steam engines
- Shaft Power2,982 kW
- Top Speed20 kn
- Range2,000
- Endurance200 day
- Complement (crew)97
◇Self-Defense3MOD.3
- Main Gun2 × 120mm L/45 naval guns
- Electronic WarfareNo
- Decoy LaunchersNo
◆Cost1MOD.1
- Unit Cost700,000 USD
03 / History
SERVICE LIFESPANStill in Service
- 1922Production started
- 1929Production ended
- 1939First deployment: World War II
104
years in service
7
years in production
6
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
MINE COUNTERMEASURES VESSELS (MCM) RANKING Mine Countermeasures Vessels (MCM) · Interwar Period
MASS RANKINGSMASS ↗
139MINE COUNTERMEASURES VESSELS (MCM)14INTERWAR PERIOD · MINE COUNTERMEASURES VESSELS (MCM)404JAPAN · ALL WEAPONS9PRICE · MINE COUNTERMEASURES VESSELS (MCM)786PRICE · ALL WEAPONS28PERFORMANCE/PRICE · MINE COUNTERMEASURES VESSELS (MCM)
ⓘ Rankings are within theMine Countermeasures Vessels (MCM)category.
📚 Sources