ASubmarines
FORCETALLY
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ASubmarines
At a glance
Italian submarine Primo Longobardo (S 524)larger figure on 0 of 3
Oscar-class submarinelarger figure on 3 of 3
Measured figures
Length
Single source66 m (216.5 ft)[source]
maximum
Single sourceConfiguration
| Specification | Italian submarine Primo Longobardo (S 524) | Oscar-class submarine |
|---|---|---|
| Power | 3-shaft diesel Grandi Motori Trieste GMT 210.16-NM (2,7 mW) 1 electric engine ABB[source] | 2 × pressurized water cooled reactors, HEU ≤ 45%[source] 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts[source] |
| Name | Primo Longobardo[source] | Oscar II class[source] |
| Namesake | Primo Longobardo[source] | — |
| Builder | Fincantieri , Monfalcone |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
155 m (508 ft 6 in) maximum[source]
Submerged
Single sourceSurfaced
Single source1,653 tonnes (surfaced) 1,862 tonnes (submerged)[source]
Submerged · source measurement 3
Single sourceSubmerged · source measurement 4
Single sourceMaximum; Submerged
Single sourceMaximum; Surfaced
Single source12 knots (22 km/h; 14 mph) (surfaced) 19 knots (35 km/h; 22 mph) (submerged)[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
Single sourceat 12 knots (22 km/h; 14 mph)
Single source2,500 nmi (4,600 km; 2,900 mi) at 12 knots (22 km/h; 14 mph)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| Laid down | 19 December 1991[source] | — |
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| Launched | 20 June 1992[source] | — |
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| Commissioned | 14 December 1993[source] | — |
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| Home port | La Spezia[source] | — |
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| Identification | Pennant number : S 524[source] | — |
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| Status | Active[source] | — |
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| Class & type | Sauro -class submarine[source] | — |
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| Depth | 300 m (984.3 ft)[source] | — |
|---|
| Sensors & processing systems | 1 x radar SMA MM/BPS 704-V2 1 x sonar STN Atlas Elektronik – ISUS 90-20 Combat System STN Atlas Elektronik – ISUS 90-20 periscopes Kollmorgen communication system IRSC, by Hagenuk Marinekommunikation Submarine Action Information System SMA/Datamat MM/SBN-716 SACTIS periscopes Barr & Stroud CK31 Search and CH81 Attack Periscopes communication system by ELMER[source] | — |
|---|
| Electronic warfare & decoys | ESM systems Elettronica Spa, BLD-727[source] | — |
|---|
| Armament | 6 × 533 mm (21 in) torpedo tubes with reloads for: 1.) Black Shark torpedo Mod.3 2.) Naval mines[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] |
|---|
| Country of origin | Italy[source] | Soviet Union[source] |
|---|
| Used by | Italian Navy[source]Current operator stated in the article; inventory date not specified | — |
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| Builders | — | Sevmash[source] |
|---|
| Operators | — | Soviet Navy Russian Navy[source] |
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| Preceded by | — | Papa class Charlie class[source] |
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| Succeeded by | — | Yasen class[source] |
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| Built | — | 1975–2022, may be restarted[source] |
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| In commission | — | 1980–present[source] |
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| Planned | — | 20 (2 949, 18 949A)[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 | — |
|---|
| Retired | — | 5?[source] |
|---|
| Type | — | Nuclear-powered cruise missile submarine[source] |
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| Endurance | — | 120 days[source] |
|---|
| Test depth | — | 600 m[source] |
|---|
| Alternative designation | — | Oscar II[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]