FORCETALLY
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At a glance
Oscar-class submarinelarger figure on 1 of 2
Taigei-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
maximum
Single source155 m (508 ft 6 in) maximum[source]
Length
Single sourceConfiguration
| Specification | Oscar-class submarine | Taigei-class submarine |
|---|---|---|
| Power | 2 × pressurized water cooled reactors, HEU ≤ 45%[source] 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts[source] | — |
| Name | Oscar II class[source] | Taigei class[source] |
| Builders | Sevmash[source] | Mitsubishi Heavy Industries Kawasaki Heavy Industries[source] |
| Operators | Soviet Navy Russian Navy[source] |
84.0 m (91.9 yd)[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]
Surfaced
Single source3000 tonnes (surfaced)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Japan Maritime Self-Defense Force[source] |
| Preceded by | Papa class Charlie class[source] | Sōryū class[source] |
|---|
| Succeeded by | Yasen class[source] | — |
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| Built | 1975–2022, may be restarted[source] | 2018-present[source] |
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| In commission | 1980–present[source] | 2022-present[source] |
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| Planned | 20 (2 949, 18 949A)[source] | 10[source] |
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| Completed | 14 (2 949, 11 949A, 1 09852)[source] | — |
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| Canceled | 6 (2 incomplete, 4 never laid down)[source] | — |
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| Active | 6 (modernization of some boats to 949AM)[source] |
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| Laid up | — |
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| Lost | — |
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| Retired | 5?[source] | — |
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| Type | Nuclear-powered cruise missile submarine[source] | Attack submarine[source] |
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| Endurance | 120 days[source] | — |
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| Test depth | 600 m[source] | — |
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| Armament | 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] | Torpedoes : 6 × HU-606 533 mm (21.0 in) torpedo tubes with: Type 89 heavyweight torpedo Type 18 heavyweight torpedo Missiles : UGM-84L Harpoon Block II Future weapon : Type 12 anti-ship missiles Potential weapon : HGVP[source] |
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| Alternative designation | Oscar II[source] | — |
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| Country of origin | Soviet Union[source] | Japan[source] |
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| Cost | — | ¥ 69.7 billion (Approx. US$ 635 million)[source] |
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| Building | — |
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| Propulsion | — | Diesel-electric : 2 first ships: 2 × Kawasaki 25/25SB Following ships: 2 × Kawasaki 12V 25/31 Batteries : lithium-ion Propulsion: : 1 × electric motor 1 × shaft 1 × propeller[source] |
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| Sensors & processing systems | — | Systems : OYX-1 processing system ZQX-12 tactical display system Sonar suite Oki ZQQ-8 (Mitsubishi Electric) that includes: Bow-mounted sonar Flank-array sonar Fibre-optic towed-array sonar : Periscopes : Non-penetrating optical periscope (Mitsubishi Electric) ESM: NZLR-2 Surface radar ZPS-6H[source] |
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