Data Quality83%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the attack submarines (ssn) category.
01 / Overview
Type 091 submarine
Category
Country
Production
1968–1990
Quantity
5
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
ATTACK SUBMARINES (SSN) · COLD WAR
16
PERFORMANCE/PRICE
35
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the attack submarines (ssn) category, regardless of era.
02 / Specs & Design
◎Identification7MOD.7
- Hull ClassificationSSN
- Submarine Typeattack submarine
- Builder / ShipyardBohai Shipyard, Huludao
- Laid Down1968
- Commissioned1974
- Boats in Class5
- In ServiceYes
◈Displacement & Dimensions3MOD.3
- Submerged Displacement6,500 t
- Length106 m
- Beam9.6 m
▣Propulsion7MOD.7
- PropulsionNuclear
- Reactor Typeloop-based nuclear reactor
- Nuclear-PoweredYes
- Air-Independent Propulsion (AIP)No
- Shaft Power30,000 kW
- Top Speed (surfaced)24 kn
- Top Speed (submerged)55 kn
◇Diving & Endurance1MOD.1
- Maximum Operating Depth300 m
◆Armament6MOD.6
- Torpedo Tubes6
- Torpedo Tube Diameter533 mm
- Cruise MissilesYes
- Ballistic Missiles (SLBM)No
- SLBM Count0
- Anti-Ship MissilesYes
▤Sensors1MOD.1
- Bow SonarSQZ-3 / Type 603 active sonar
⬢Production2MOD.2
- First of Class1974
- Operators1
▲Fleet Status3MOD.3
- Completed5
- Active3
- Retired2
03 / History
SERVICE LIFESPANStill in Service
- 1968Production started
- 1974Entered service
- 1990Production ended
58
years in service
22
years in production
5
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
ATTACK SUBMARINES (SSN) RANKING Attack Submarines (SSN) · Cold War
MASS RANKINGSMASS ↗
29ATTACK SUBMARINES (SSN)16COLD WAR · ATTACK SUBMARINES (SSN)381PEOPLE'S REPUBLIC OF CHINA · ALL WEAPONS28PERFORMANCE/PRICE · ATTACK SUBMARINES (SSN)
ⓘ Rankings are within theAttack Submarines (SSN)category.
📖 TERMS ON THIS PAGE3terms
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.
Cruise missiles are self-propelled, guided weapons launched from platforms like attack submarines (SSNs) to deliver warheads over long distances with precision.
Relating to or using nuclear energy, typically fission, for propulsion or power generation in military vessels.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources