FORCETALLY
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At a glance
Akula-class submarinelarger figure on 1 of 2
Oscar-class submarinelarger figure on 1 of 2
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
for Akula I and Akula I Improved
Single sourcefor Akula II and Akula III
Single sourceConfiguration
| Specification | Akula-class submarine | Oscar-class submarine |
|---|---|---|
| Power | one 190 MW OK-650B/OK-650M pressurized water nuclear reactor ( HEU <= 45%) 1 OK-7 steam turbine 43,000 hp (32 MW) 2 OK-2 Turbo generators producing 2 MW 1 seven-bladed propeller 2 OK-300 retractable electric propulsors for low-speed and quiet maneuvering at 5 knots (9.3 km/h; 5.8 mph)[source] | 2 × pressurized water cooled reactors, HEU ≤ 45%[source] 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts[source] |
| Name | Akula class[source] | Oscar II class[source] |
| Builders | Komsomolsk-on-Amur Severodvinsk[source] | Sevmash[source] |
110.3 m (362 ft) for Akula I and Akula I Improved 113.3 m (372 ft) for Akula II and Akula III[source]
maximum
Single source155 m (508 ft 6 in) maximum[source]
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[source]
Submerged · source measurement 3
Single sourceSubmerged · source measurement 4
Single sourceSurfaced · source measurement 1
Single sourceSurfaced · source measurement 2
Single source12,500/14,700 tonnes surfaced 16,500/19,400 tonnes submerged[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
Single source10 knots (19 km/h; 12 mph) surfaced 28–35 knots (52–65 km/h; 32–40 mph) submerged[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
Single sourceBars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Operators | Soviet Navy Russian Navy Indian Navy[source] | Soviet Navy Russian Navy[source] |
|---|
| Preceded by | Victor class , Sierra class[source] | Papa class Charlie class[source] |
|---|
| Succeeded by | Yasen class[source] | Yasen class[source] |
|---|
| Cost | est. $1.55 billion (1995 dollars)[source] | — |
|---|
| Built | 1983–1999[source] | 1975–2022, may be restarted[source] |
|---|
| In commission | 1984–present[source] | 1980–present[source] |
|---|
| Planned | 20[source] | 20 (2 949, 18 949A)[source] |
|---|
| Completed | 15[source] | 14 (2 949, 11 949A, 1 09852)[source] |
|---|
| Canceled | 4 (1 Iribis suspended 42% complete since 1996)[source] | 6 (2 incomplete, 4 never laid down)[source] |
|---|
| Active | 4 (4 active +6 on modernization in Russia)[source] | 6 (modernization of some boats to 949AM)[source] |
|---|
| Retired | 5 in total.[source] | 5?[source] |
|---|
| Type | Nuclear attack submarine[source] | Nuclear-powered cruise missile submarine[source] |
|---|
| Endurance | 100 days[source] | 120 days[source] |
|---|
| Test depth | 480 m (1,570 ft) test depth for Akula I and Akula I Improved 520 m (1,710 ft) for Akula II and III 600 m (2,000 ft) maximum operating depth[source] | 600 m[source] |
|---|
| Sensors & processing systems | MGK-540 active/passive suite Flank arrays Pelamida towed array sonar MG-70 mine detection sonar[source] | — |
|---|
| Electronic warfare & decoys | Bukhta ESM / ECM MG-74 Korund noise simulation decoys (fired from external tubes) MT-70 Sonar intercept receiver Nikhrom-M IFF[source] | — |
|---|
| Armament | 4 × 533 mm torpedo tubes (28 torpedoes) and 4 × 650 mm torpedo tubes (12 torpedoes). (K-152 Nerpa has 8 × 533 mm torpedo tubes) 40 torpedoes total 1–3 × Igla-M surface-to-air missile launcher fired from sail (surface use only) Granat cruise missiles, now Kalibr[source] | 4 × 533 mm (21.0 in) and 2 × 650 mm (26 in) torpedo tubes in bow 28 × 533 mm and 650 mm weapons, including RPK-2 Vyuga (SS-N-15 Starfish) anti-submarine missiles with 15 kt nuclear warheads and RPK-6 Vodopad/RPK-7 Veter (SS-N-16) anti-submarine missiles with 200 kt nuclear warhead or Type 40 anti-submarine torpedo or 32 ground mines 24 × P-700 Granit (SS-N-19 Shipwreck) cruise missiles with 750 kilograms (1,650 lb) HE or 6 × 100 Mt Poseidon nuclear-powered, nuclear-armed drones[source] |
|---|
| Notes | Chiblis Surface Search radar Medvyeditsa-945 Navigation system Molniya-M Satellite communications MGK-80 Underwater communications Tsunami, Kiparis, Anis, Sintez and Kora Communications antennas Paravan Towed VLF Antenna Vspletsk Combat direction system[source] | — |
|---|
| Country of origin | Soviet Union[source] | Soviet Union[source] |
|---|
| Laid up | — |
|---|
| Lost | — |
|---|
| Alternative designation | — | Oscar II[source] |
|---|
15 knots (28 km/h; 17 mph) surfaced 32 knots (59 km/h; 37 mph) submerged[source]