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At a glance
Sauro-class submarinelarger figure on 1 of 1
Shallow Water Combat Submersiblelarger 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
I and II Batches
Single sourceIII Batch
Single sourceConfiguration
| Specification | Sauro-class submarine | Shallow Water Combat Submersible |
|---|---|---|
| Power | 3 x shaft diesel Grandi Motori Trieste GMT 210.16-NM (2,7 MW) I, II and III Batches: : 1 electric engine Magneti Marelli (2.686 kW) IV Batch: : 1 electric engine ABB[source] | — |
| Name | Sauro class[source] | — |
| Builders | Italcantieri Monfalcone shipyard[source] | Teledyne Brown Engineering[source] |
| Operators | Italian Navy[source] | United States Navy Royal Navy (planned)[source] |
| Preceded by |
IV Batch
Single sourceI and II Batches: 63.85 m III Batch: 64.36 m IV Batch: 66.00 m[source]
Length
Single source6.8 meters (22 ft)[source]
to 12 knots (22 km/h; 14 mph)
Single source2,500 nmi (4,600 km; 2,900 mi) to 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.
Toti class , Tang class , Tench class[source] |
SEAL Delivery Vehicle[source] |
| Succeeded by | Todaro class[source] | — |
|---|
| In service | 1980[source] | — |
|---|
| In commission | 1979[source] | — |
|---|
| Completed |
|---|
| Active | — |
|---|
| Retired | — |
|---|
| Preserved | — |
|---|
| Type | Submarine[source] | Submersible , diver propulsion vehicle[source] |
|---|
| Test depth | 300 m[source] | >190 feet (58 m)[source] |
|---|
| Sensors & processing systems | I and II Batches: 1 x radar SMA SPS-704 1 x sonar Elsag-USEA IPD70/S Submarine Action Information System SMA/Datamat MM/SBN-716 SACTIS periscopes Barr & Stroud CK31 Search and CH81 Attack Periscopes communication system by ELMER III and IV Batches , after update 1999/2005: 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[source] | Inertial navigation system , high-frequency sonar for obstacle/mine avoidance and navigation, GPS[source] |
|---|
| Electronic warfare & decoys | I and II Batches: ESM systems Elettronica Spa, Thetis ELT/124-s and MM-BLD/1 III and IV Batches , after update 1999/2005: ESM systems Elettronica Spa, BLD-727[source] | — |
|---|
| Armament | I and II Batches: : 6 x 533 mm torpedo tubes 12 torpedoes Whitehead A-184 or 24 mines carried III and IV Batches: : 6 x 533 mm torpedo tubes 12 torpedoes Whitehead A-184 Mod.3 or 24 mines carried[source] | SEAL team personal weapons, limpet mines[source] |
|---|
| Country of origin | Italy[source] | United States[source]Inventory Origin column; table 2, row 5, cell 2; revision 1373375989; retrieved 2026-09-30 |
|---|
| Cost | — | $383 million (program cost)[source] |
|---|
| On order | — | 7 USN, 3 RN[source] |
|---|
| Building | — |
|---|
| Propulsion | — | Lithium-ion batteries powering electric motors[source] |
|---|