FORCETALLY
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At a glance
Oscar-class submarinelarger figure on 1 of 1
Yugo-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.
Measured figures
maximum
Single source155 m (508 ft 6 in) maximum[source]
Length
Single sourceConfiguration
| Specification | Oscar-class submarine | Yugo-class submarine |
|---|---|---|
| Complement | 94/107[source] | — |
| 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] | Yugo class[source] |
| Builders | Sevmash[source] | Yukdaeso-ri shipyard[source] |
20 m (65 ft 7 in)[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]
90 up to 110 tons (submerged)[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
Single source15 knots (28 km/h; 17 mph) surfaced 32 knots (59 km/h; 37 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[source] | See Operators[source] |
|---|
| Preceded by | Papa class Charlie class[source] | — |
|---|
| Succeeded by | Yasen class[source] | Sang-O class[source] |
|---|
| Built | 1975–2022, may be restarted[source] | — |
|---|
| In commission | 1980–present[source] | Late 1960s[source] |
|---|
| Planned | 20 (2 949, 18 949A)[source] | — |
|---|
| Completed | 14 (2 949, 11 949A, 1 09852)[source] |
|---|
| Canceled | 6 (2 incomplete, 4 never laid down)[source] | — |
|---|
| Active | 6 (modernization of some boats to 949AM)[source] |
|---|
| Laid up | — |
|---|
| Lost |
|---|
| Retired | 5?[source] |
|---|
| Type | Nuclear-powered cruise missile submarine[source] | Midget submarine[source] |
|---|
| Endurance | 120 days[source] | — |
|---|
| Test depth | 600 m[source] | — |
|---|
| 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] | Some armed with two 533 mm (21 in) torpedoes , possibly in drop collars .[source] |
|---|
| Alternative designation | Oscar II[source] | — |
|---|
| Country of origin | Soviet Union[source] | North Korea[source]Inventory Origin column; table 1, row 3, cell 6; revision 1377745376; retrieved 2026-09-30 |
|---|
| Propulsion | — | Single-shaft MTU diesel engine[source] |
|---|
| Capacity | — | 4–6 special forces troops[source] |
|---|
| Notes | — | First successful indigenous midget submarine[source] |
|---|
| Reported operators | — |
|
|---|
10 knots (19 km/h; 12 mph) surfaced 4 knots (7.4 km/h; 4.6 mph) submerged[source]