Data Quality88%
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
1916–1945
Quantity
13
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MIDGET / COASTAL SUBMARINES · WORLD WAR I
1
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
◎Identification4MOD.4
- Laid Down1942
- Commissioned1943
- Boats in Class13
- In ServiceNo
◈Displacement & Dimensions5MOD.5
- Surfaced Displacement27 t
- Submerged Displacement35 t
- Length15.8 m
- Beam1.9 m
- Draft1.2 m
▣Propulsion5MOD.5
- PropulsionDiesel-Electric
- Nuclear-PoweredNo
- Shaft Power210 kW
- Top Speed (surfaced)6.5 kn
- Top Speed (submerged)13 kn
◇Diving & Endurance5MOD.5
- Test Depth100 m
- Maximum Operating Depth200 m
- Submerged Endurance2 day
- Patrol Duration6 day
- Complement (crew)5
◆Armament6MOD.6
- Torpedo Tubes2
- Torpedo Tube Diameter450 mm
- Cruise MissilesNo
- Ballistic Missiles (SLBM)No
- Anti-Ship MissilesYes
- Mine-Laying CapableNo
▤Sensors3MOD.3
⬢Stealth3MOD.3
03 / History
SERVICE LIFESPANRetired
- 1916Production started
- 1945Production ended
110
years in service
29
years in production
13
units produced
0
countries operating
ⓘ The producing country no longer actively operates it. 52 countries retired it.
04 / Operators
Operator Countries52country
05 / MASS Score
MIDGET / COASTAL SUBMARINES RANKING Midget / Coastal Submarines · World War I
MASS RANKINGSMASS ↗
41MIDGET / COASTAL SUBMARINES1WORLD WAR I · MIDGET / COASTAL SUBMARINES700UNITED KINGDOM · ALL WEAPONS2PERFORMANCE/PRICE · MIDGET / COASTAL SUBMARINES
ⓘ Rankings are within theMidget / Coastal Submarinescategory.
📖 TERMS ON THIS PAGE2terms
Anti-ship missiles are guided missiles designed to engage and destroy naval vessels. They are typically used by aircraft, ships, or submarines to attack enemy ships.
Propulsion system combining diesel engines to generate electricity, which powers electric motors driving the vessel's propellers.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources