
ASubmarines
Dosan Ahn Changho-class submarine
Attack submarine with ballistic missile launching capabilities
Preparing your view.

ASubmarines
Attack submarine with ballistic missile launching capabilities

At a glance
Dosan Ahn Changho-class submarinelarger figure on 0 of 1
Oscar-class submarinelarger figure on 1 of 1
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Batch-I
Single sourceBatch-I Batch-II
Single sourceConfiguration
| Specification | Dosan Ahn Changho-class submarine | Oscar-class submarine |
|---|---|---|
| Power | Batch-I:- Diesel-electric propulsion 3 × MTU 16V396SE84L marine diesel engines Air-independent propulsion (AIP) 4 × Bumhan Industries PH1 PEM fuel cells , each with 100 kW output Batch-II:- Diesel-electric propulsion 3 × MTU 12V 4000 U83 marine diesel engines Air-independent propulsion 4 × Bumhan Industries PH1 PEM fuel cells , each with 100 kW output with increased hydrogen and liquid oxygen storage Samsung SDI lithium-ion batteries[source] | 2 × pressurized water cooled reactors, HEU ≤ 45%[source] 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts[source] |
| Builders | Hanwha Ocean HD Hyundai Heavy Industries[source] | Sevmash[source] |
| Operators | Republic of Korea Navy (ROKN)[source] |
Batch-I:- 83.5 m (273 ft 11 in) Batch-II:- 89.3 m (293 ft 0 in)[source]
maximum
Single source155 m (508 ft 6 in) maximum[source]
Batch-I Submerged
Single sourceBatch-I (Submerged) Batch-II
Single sourceBatch-I Surfaced · source measurement 1
Single sourceBatch-I Surfaced · source measurement 3
Single sourceBatch-I:- 3,358 tonnes (3,305 long tons) (Surfaced) 3,750 tonnes (3,690 long tons) (Submerged) Batch-II:- 3,600 tonnes (3,500 long tons) (Surfaced) 4,000 tonnes (3,900 long tons) (Submerged)[source]
Submerged · source measurement 3
Single sourceSubmerged · source measurement 4
Single sourceMaximum; Submerged
Single sourceMaximum; Surfaced
Single sourceMaximum; (submerged) on fuel cell operation
Single source12 knots (22 km/h; 14 mph) (surfaced) 6 knots (11 km/h; 6.9 mph) (submerged) on fuel cell operation 20 knots (37 km/h; 23 mph) (submerged)[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
Single sourceRange
Single source10,000 nautical miles (19,000 km; 12,000 mi)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Soviet Navy Russian Navy[source] |
| Preceded by | Son Won-il class ( Type 214 submarine )[source] | Papa class Charlie class[source] |
|---|
| Succeeded by | Jang Yeongsil-class (KSS-III Batch-II)[source] | Yasen class[source] |
|---|
| Cost | US$ 900,000,000 per submarine[source] | — |
|---|
| Built | 2014–present[source] | 1975–2022, may be restarted[source] |
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| In service | 2021–present[source] | — |
|---|
| Planned | 20 (2 949, 18 949A)[source] |
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| Building | — |
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| Completed | 14 (2 949, 11 949A, 1 09852)[source] |
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| Active | 6 (modernization of some boats to 949AM)[source] |
|---|
| Type | Attack submarine with ballistic missile launching capabilities[source] | Nuclear-powered cruise missile submarine[source] |
|---|
| Endurance | 20+ days (submerged)[source] | 120 days[source] |
|---|
| Sensors & processing systems | Combat suite: Hanwha -developed "Combat Management System" (CMS) Sonar: LIG Nex1 -developed sonar suite Thales -developed mine-avoidance sonar Electronic warfare: Indra -developed radar electronic support measurement (RESM) Other processing systems: Safran -developed "Series 30" optronic surveillance mast Babcock -developed "Weapons Handling and Launch System" (WHLS) ECA Group-developed steering consoles[source] | — |
|---|
| Armament | Batch-I:- 6 × 533 mm (21 in) torpedo tubes LIG Nex1 K761 Tiger Shark heavyweight torpedoes 6 × K-VLS cells 6 × Hyunmoo 4-4 submarine-launched ballistic missile Batch-II:- 6 × 533 mm (21 in) torpedo tubes LIG Nex1 K761 Tiger Shark heavyweight torpedoes C-Star-III anti-ship cruise missiles LIG Nex1 submarine-launched mobile sea mine 10 × K-VLS cells 10 × Hyunmoo 4-4 submarine-launched ballistic missile Chonryong land attack cruise missiles[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 | First-ever AIP-equipped submarine capable of launching submarine-launched ballistic missiles (SLBM).[source] | — |
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| Alternative designation | Dosan Ahn Changho class[source] | Oscar II[source] |
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| Country of origin | South Korea[source] | Soviet Union[source] |
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| Name | — | Oscar II class[source] |
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| In commission | — | 1980–present[source] |
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| Canceled | — | 6 (2 incomplete, 4 never laid down)[source] |
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| Laid up | — |
|---|
| Lost | — |
|---|
| Retired | — | 5?[source] |
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| Test depth | — | 600 m[source] |
|---|
Surfaced · source measurement 1
Single sourceSurfaced · source measurement 2
Single source12,500/14,700 tonnes surfaced 16,500/19,400 tonnes submerged[source]
15 knots (28 km/h; 17 mph) surfaced 32 knots (59 km/h; 37 mph) submerged[source]