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At a glance
Measured figures
Sierra I
Single sourceSierra II
Single sourceConfiguration
| Specification | Sierra-class submarine | Type 206 submarine |
|---|---|---|
| Name | Sierra class[source] | — |
| Builders | Krasnoye Sormovo[source] | Howaldtswerke-Deutsche Werft Nordseewerke[source] |
| Operators | Soviet Navy Russian Navy[source] | German Navy Colombian National Navy[source] |
| Preceded by | Alfa class , Victor class[source] | Type 205 submarine[source] |
Sierra I : 107.16 m (351.6 ft) Sierra II : 110 m (360 ft)[source]
Length
Single source48.49 metres (159 ft 1 in)[source]
Maximum; Sierra I & II surfaced
Single sourceMaximum; Sierra II submerged
Single sourceMaximum; Sierra I submerged
Single sourceSierra I & II: 10 knots (18.5 km/h) (surfaced) Sierra I: 34 knots (63.0 km/h) (submerged) Sierra II: 32 knots (59.3 km/h) (submerged)[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
Single sourceEffectively unlimited, except by food supplies[source]
at 4 knots (7.4 km/h; 4.6 mph), submerged
Single sourceat 6 knots (11 km/h; 6.9 mph), surfaced
Single source4,500 nautical miles (8,300 km; 5,200 mi) at 6 knots (11 km/h; 6.9 mph), surfaced 228 nautical miles (422 km; 262 mi) at 4 knots (7.4 km/h; 4.6 mph), submerged[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Succeeded by | Akula class[source] | Type 212 submarine , Type 209 submarine[source] |
|---|
| Built | 1979–1992[source] | 1969–1975[source] |
|---|
| In commission | 1984–present[source] | 1973–2011 (Germany) 2012–present (Colombia)[source] |
|---|
| Planned | — |
|---|
| Completed | 18[source] |
|---|
| Canceled | — |
|---|
| Active |
|---|
| Laid up | — |
|---|
| Type | Nuclear attack submarine[source] | Type 206A submarine[source] |
|---|
| Armament | Sierra I & II: 4 × 650 mm (26 in) torpedo tubes (only Sierra I) 4 × 530 mm (21 in) torpedo tubes ( 6 x Sierra II) SS-N-21 Sampson SLCM SS-N-15 Starfish anti-submarine weapon: 200 kt depth charge or 90 kg HE Type 40 torpedo SS-N-16 Stallion , 200 kt depth charge or 90 kg HE Type 40 torpedo Minelaying configuration : 42 mines instead of torpedoes[source] | 8 × 533 mm torpedo tubes , 8 DM2A1 Seeaal (206) or DM2A3 Seehecht (206A) torpedoes ; 24 mines can be carried externally[source] |
|---|
| Country of origin | Soviet Union[source] | Germany[source] |
|---|
| Subclasses | — | Gal -class submarine[source] |
|---|
| Retired | — | 16[source] |
|---|
| Preserved | — |
|---|
| Propulsion | — | 2 MTU 12V 493, 4-stroke diesel engines , each coupled with an Asea Brown Boveri - generator 1 Siemens -Schuckert-Werke electric motor driving single five (Type 206) or seven (Type 206A) blade propeller[source] |
|---|
| Test depth | — | more than 200 m[source] |
|---|
| Sensors & processing systems | — | STN Atlas DBQS-21 (CSU83) submarine sonar Thomson-CSF DUUX 2 passive rangefinder sonar Safare VELOX sonar intercept EDO-900 active mine avoidance sonar Thomson-CSF Calypso II surveillance and navigation radar[source] |
|---|
| Electronic warfare & decoys | — | Thomson-CSF DR-2000U ESM system Thorn-EMI SARIE[source] |
|---|
10 knots (19 km/h; 12 mph), surfaced; 17 knots (31 km/h; 20 mph), submerged[source]