| Class overview | |
|---|---|
| Name: | Akula |
| Operators: |  Soviet Navy Russian Navy Indian Navy |
| Preceded by: | Operational precedessor: Victor class By sequence of construction: Sierra class |
| Succeeded by: | Yasen class |
| Cost: | est. $1.55 billion (1995 dollars) |
| In service: | 1984 |
| Planned: | 21 |
| Completed: | 15 |
| Cancelled: | 6 |
| Active: | 10 (9 In Russia, 1 In India) |
| Retired: | 5 |
| General characteristics | |
| Type: | nuclear-powered attack submarine |
| Displacement: | surfaced: 8,140 tons Akula I and Akula I Improved 8,450–8,470 tons Akula II and III submerged: 12,770 tons Akula I and Akula I Improved 13,400–13,800 tons Akula II and III |
| Length: | 110.3 m for Akula I and Akula I Improved 113.3 m for Akula II and Akula III |
| Beam: | 13.6 m |
| Draught: | 9.7 m |
| Propulsion: | one 190 MW OK-650B/OK-650M pressurized water nuclear reactor 1 OK-7 steam turbine 43,000 hp (32 MW) 2 OK-2 Turbogenerators producing 2,000 kW 1 seven-bladed propeller 2 OK-300 retractable electric propulsors for low-speed and quiet maneuvering at 5 knots (6 km/h) |
| Speed: | 10 knots surfaced 28-35 knots submerged |
| Endurance: | 100 days |
| Test depth: | 480 m test depth for Akula I and Akula I Improved 520 m for Akula II and III 600 m maximum operating depth |
| Complement: | 73 for Akula I & Improved, 62 (31 officers) for Akula II & III |
| Sensors and processing systems: |
MGK-540 active/passive suite Flank arrays Pelamida towed array sonar MG-70 mine detection sonar |
| Electronic warfare & decoys: |
Bukhta ESM/ECM *MG-74 Korund noise simulation decoys (fired from external tubes) MT-70 Sonar intercept receiver Nikhrom-M IFF |
| Armament: | 4 × 533mm torpedo tubes (28 torpedoes) and 4 × 650mm torpedo tubes (12 torpedoes) (K-152 Nerpa has 8 × 533mm torpedo tubes) 40 torpedoes total 1–3 × SA-N-10 Igla-M Surface-to-air missile launcher fired from sail (surface use only) |