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BSubmarines
At a glance
Akula-class submarinelarger figure on 1 of 1
Measured figures
for Akula I and Akula I Improved
Single sourcefor Akula II and Akula III
Single sourceConfiguration
| Specification | Akula-class submarine | Archer-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] | — |
| Name | Akula class[source] | — |
| Builders | Komsomolsk-on-Amur Severodvinsk[source] | Kockums[source] |
| Operators | Soviet Navy Russian Navy Indian Navy[source] | Republic of Singapore Navy[source] |
Archer-class submarinelarger figure on 0 of 1
Counts only measures both sources give with the same scope. A larger figure is not a better system.
110.3 m (362 ft) for Akula I and Akula I Improved 113.3 m (372 ft) for Akula II and Akula III[source]
Length
Single source60.5 m (198 ft 6 in)[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
Single sourceSurfaced
Single sourceSurfaced: 1,400 t (1,400 long tons; 1,500 short tons) Submerged: 1,500 t (1,500 long tons; 1,700 short tons)[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.
| Preceded by | Victor class , Sierra class[source] | Challenger class[source] |
|---|
| Succeeded by | Yasen class[source] | Invincible class[source] |
|---|
| Cost | est. $1.55 billion (1995 dollars)[source] | — |
|---|
| Built | 1983–1999[source] | — |
|---|
| In commission | 1984–present[source] | — |
|---|
| Planned | 20[source] | — |
|---|
| Completed | 15[source] |
|---|
| Canceled | 4 (1 Iribis suspended 42% complete since 1996)[source] | — |
|---|
| Active | 4 (4 active +6 on modernization in Russia)[source] |
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| Retired | 5 in total.[source] | — |
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| Type | Nuclear attack submarine[source] | — |
|---|
| Endurance | 100 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] | — |
|---|
| Sensors & processing systems | MGK-540 active/passive suite Flank arrays Pelamida towed array sonar MG-70 mine detection sonar[source] | FAS[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] | 6 × 533 mm (21 in) torpedo tubes for TP-617 heavy-weight torpedoes and Blackshark torpedoes 3 × 400 mm (16 in) torpedo tubes[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] | Sweden[source] |
|---|
| Propulsion | — | 2 × Hedemora diesel-electric engines 2 × Kockums v4-275R Sterling AIP units[source] |
|---|
Surfaced: 8 kn (15 km/h; 9.2 mph) Submerged: 15 kn (28 km/h; 17 mph)[source]