|
| Class overview |
|---|
| Builders | Fincantieri |
| Operators | Italian Navy |
| Preceded by | |
| Succeeded by | Todaro class |
| In service | 1980 |
| In commission | 1979 |
| Completed | 8 |
| Active | 4 |
| Retired | 4 |
| Preserved | 1 |
| General characteristics |
|---|
| Type | Submarine |
| Displacement |
- I and II Batches:
- 1,456 tons surfaced
- 1,641 tons submerged
- III Batch:
- 1,476 tons surfaced
- 1,662 tons submerged
- IV Batch:
- 1,653 tons surfaced
- 1,862 tons submerged
|
| Length |
- I and II Batches:
- 63.85 m
- III Batch:
- 64.36 m
- IV Batch:
- 66.00 m
|
| Beam | 6.83 m |
| Draught |
- I and II Batches:
- 5.3 m
- III Batch:
- 5.6 m
- IV Batch:
- 6.3 m
|
| Propulsion |
- 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
|
| Speed |
- 12 knots (22 km/h; 14 mph) surfaced
- 19 knots (35 km/h; 22 mph) submerged
|
| Range | 2,500 nmi (4,600 km; 2,900 mi) to 12 knots (22 km/h; 14 mph) |
| Test depth | 300 m |
| Complement | 7 officers, 44 men |
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
|
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
|
| 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
|
The Nazario Sauro class are diesel-electric submarines operated by the Italian Navy. All boats were built by Fincantieri in Monfalcone.
