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
Alfa-class submarine
Category
Country
Prime contractor
Production
1964–1981
Quantity
7
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
ATTACK SUBMARINES (SSN) · COLD WAR
15
PERFORMANCE/PRICE
10
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 ClassificationProject 705 Lira
- Submarine TypeNuclear attack submarine
- Builder / ShipyardAdmiralty yard, Sevmash
- Laid Down1964
- Commissioned1971
- Boats in Class7
- In ServiceNo
◈Displacement & Dimensions5MOD.5
- Surfaced Displacement2,300 t
- Submerged Displacement3,200 t
- Length69.2 m
- Beam9.5 m
- Draft7.6 m
▣Propulsion7MOD.7
- PropulsionNuclear
- Reactor TypeLead-bismuth cooled, beryllium-moderated
- Nuclear-PoweredYes
- Shaft Power29,828 kW
- Propulsor Typepropeller
- Top Speed (surfaced)12 kn
- Top Speed (submerged)41 kn
◇Diving & Endurance3MOD.3
- Test Depth400 m
- Maximum Operating Depth700 m
- Complement (crew)31
◆Armament5MOD.5
- Torpedo Tubes4
- Torpedo Tube Diameter533 mm
- Cruise MissilesYes
- Anti-Ship MissilesYes
- Mine-Laying CapableYes
▤Sensors4MOD.4
- Bow SonarOcean
- Surface-Search RadarTopol MRK.50
- ESM / ELINT SuiteYes
- Combat SystemAccord
⬢Stealth1MOD.1
▲Production2MOD.2
- First of Class1971
- Operators1
◎Fleet Status5MOD.5
- Completed7
- Active0
- Planned8
- Cancelled1
- Retired7
◈Armour1MOD.1
- Armourtitanium alloy hull
03 / History
SERVICE LIFESPANStill in Service
- 1964Production started
- 1973Entered service
- 1981Production ended
62
years in service
17
years in production
7
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 ↗
28ATTACK SUBMARINES (SSN)15COLD WAR · ATTACK SUBMARINES (SSN)1379RUSSIA · ALL WEAPONS31PERFORMANCE/PRICE · ATTACK SUBMARINES (SSN)
ⓘ Rankings are within theAttack Submarines (SSN)category.
📖 TERMS ON THIS PAGE5terms
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.
Electronic Support Measures/ELectronic INTelligence suite: a sensor system on submarines that detects, identifies, and locates radar and communication emissions for passive threat assessment and tactical advantage.
Laying explosive mines underwater from a submarine.
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