Data Quality85%
01 / Overview
River-class submarine
Category
Country
Production
1932–1934
Quantity
3
Unit Price (current)
$3.5M↗ 2018% inflation · 1931→2025
Original Price
$166.7K (1931)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
CONVENTIONAL SUBMARINES · INTERWAR PERIOD
—
PERFORMANCE/PRICE
—
UNIT COST (2025 USD)
$3.5M
Original: $166.7K (1931)
Inflation: +%2018
ⓘ Performance/Price and MASS score are computed across all units in the conventional submarines category, regardless of era.
02 / Specs & Design
◎Identification6MOD.6
- Hull Classificationfleet submarine
- Submarine Typeconventional
- Builder / ShipyardVickers-Armstrong
- Commissioned1934
- Boats in Class3
- In ServiceYes
◈Displacement5MOD.5
- Surfaced Displacement2,206 t
- Submerged Displacement2,723 t
- Length105 m
- Beam8.6 m
- Draft4.85 m
▣Propulsion7MOD.7
- PropulsionDiesel-Electric
- Nuclear-PoweredNo
- Air-Independent Propulsion (AIP)No
- Shaft Power7,460 kW
- Propulsor Typediesel electric
- Top Speed (surfaced)22 kn
- Top Speed (submerged)10 kn
◇Diving & Endurance2MOD.2
- Test Depth91 m
- Complement (crew)61
◆Armament8MOD.8
- Torpedo Tubes6
- Torpedo Tube Diameter533 mm
- VLS Cells0
- Cruise MissilesNo
- Ballistic Missiles (SLBM)No
- SLBM Count0
- Anti-Ship MissilesYes
- Mine-Laying CapableNo
▤Sensors & Combat Systems4MOD.4
- Bow SonarASDIC
- Flank Array SonarNo
- Towed Array SonarNo
- ESM / ELINT SuiteNo
⬢Stealth3MOD.3
▲Production & Cost3MOD.3
- Unit Cost2,430,000 USD
- First of Class1934
- Operators1
◎Fleet Status6MOD.6
- Completed3
- Under Construction0
- Planned20
- Cancelled17
- Lost1
- Retired2
◈Armour1MOD.1
- Armourriveted construction
03 / History
SERVICE LIFESPANStill in Service
- 1932Production started
- 1934Production ended
- 1939First deployment: World War II
94
years in service
2
years in production
3
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
Not enough weapon data to rank this category.
MASS RANKINGSMASS ↗
ⓘ Rankings are within theConventional 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