Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the midget / coastal submarines category.
01 / Overview
X-class submarine
Category
Country
Production
1943–1944
Quantity
20
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MIDGET / COASTAL SUBMARINES · WORLD WAR II
4
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the midget / coastal submarines category, regardless of era.
02 / Specs & Design
◎Identification6MOD.6
- Hull ClassificationX class
- Submarine Typemidget submarine
- Laid Down1943
- Commissioned1944
- Boats in Class20
- In ServiceYes
◈Displacement & Dimensions5MOD.5
- Surfaced Displacement27 t
- Submerged Displacement30 t
- Length15.24 m
- Beam1.753 m
- Draft1.6 m
▣Propulsion7MOD.7
- PropulsionDiesel-Electric
- Nuclear-PoweredNo
- Air-Independent Propulsion (AIP)No
- Shaft Power53.6 kW
- Propulsor Typesingle shaft
- Top Speed (surfaced)6.5 kn
- Top Speed (submerged)2.2 kn
◇Diving & Endurance4MOD.4
- Test Depth91.5 m
- Submerged Endurance1 day
- Patrol Duration14 day
- Complement (crew)4
◆Armament7MOD.7
- Torpedo Tubes0
- VLS Cells0
- Cruise MissilesNo
- Ballistic Missiles (SLBM)No
- SLBM Count0
- Anti-Ship MissilesNo
- Mine-Laying CapableYes
▤Sensors3MOD.3
- Bow Sonarsonar
- Towed Array SonarNo
- Combat Systemperiscope
⬢Stealth3MOD.3
▲Production2MOD.2
- First of Class1942
- Operators1
◎Fleet Status4MOD.4
- Completed20
- Under Construction0
- Lost7
- Preserved1
03 / History
SERVICE LIFESPANStill in Service
- 1942Entered service
- 1943Production started
- 1944Production ended
83
years in service
1
years in production
20
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
MIDGET / COASTAL SUBMARINES RANKING Midget / Coastal Submarines · World War II
MASS RANKINGSMASS ↗
15MIDGET / COASTAL SUBMARINES4WORLD WAR II · MIDGET / COASTAL SUBMARINES253UNITED KINGDOM · ALL WEAPONS2PERFORMANCE/PRICE · MIDGET / COASTAL SUBMARINES
ⓘ Rankings are within theMidget / Coastal Submarinescategory.
📖 TERMS ON THIS PAGE2terms
Propulsion system combining diesel engines to generate electricity, which powers electric motors driving the vessel's propellers.
Laying explosive mines underwater from a submarine.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources