Data Quality84%
01 / Overview
U-20-class submarine
Category
Country
Prime contractor
Production
1916–1917
Quantity
4
Operators
02 / Specs & Design
◎Identification7MOD.7
- Hull ClassificationU-20 class
- Submarine Typecoastal submarine
- Builder / ShipyardPola Navy Yard, UBAG
- Laid Down1915
- Commissioned1917
- Boats in Class4
- In ServiceNo
◈Displacement5MOD.5
- Surfaced Displacement173 t
- Submerged Displacement210 t
- Length38.7 m
- Beam4 m
- Draft2.7 m
▣Propulsion6MOD.6
- PropulsionDiesel-Electric
- Nuclear-PoweredNo
- Air-Independent Propulsion (AIP)No
- Propulsor Typediesel-electric
- Top Speed (surfaced)12 kn
- Top Speed (submerged)9 kn
◇Diving & Endurance1MOD.1
- Complement (crew)18
◆Armament6MOD.6
- Torpedo Tubes2
- Torpedo Tube Diameter450 mm
- Cruise MissilesNo
- Ballistic Missiles (SLBM)No
- Anti-Ship MissilesNo
- Mine-Laying CapableNo
▤Sensors & Combat Systems3MOD.3
⬢Stealth3MOD.3
03 / History
SERVICE LIFESPANRetired
- 1916Production started
- 1917Production ended
110
years in service
1
years in production
4
units produced
0
countries operating
ⓘ 1 countries retired it.
05 / MASS Score
Not enough weapon data to rank this category.
📖 TERMS ON THIS PAGE1terms
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