
Loading the evidence…
Preparing your view.
Preparing your view.

At a glance
Ohio-class submarinelarger figure on 4 of 4
Type 206 submarinelarger figure on 0 of 4
Measured figures
Length
Single source560 ft (170 m)[source]
Length
Single sourceConfiguration
| Specification | Ohio-class submarine | Type 206 submarine |
|---|---|---|
| Name | Ohio class[source] | — |
| Builders | General Dynamics Electric Boat[source] | Howaldtswerke-Deutsche Werft Nordseewerke[source] |
| Operators | United States Navy[source] | German Navy Colombian National Navy[source] |
| Preceded by | Benjamin Franklin class[source] | Type 205 submarine[source] |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
48.49 metres (159 ft 1 in)[source]
Submerged
Single sourceSurfaced
Single source16,764 tonnes (16,499 long tons) surfaced 18,750 tonnes (18,450 long tons) submerged[source]
Submerged
Single sourceSurfaced
Single sourceMaximum; Surfaced
Single sourceMaximum; submerged (official)
Single sourceMaximum; submerged (reported)
Single source12 knots (22 km/h; 14 mph) surfaced 20 knots (37 km/h; 23 mph) submerged (official) 25 knots (46 km/h; 29 mph) submerged (reported)[source]
Maximum; Surfaced
Single sourceMaximum; Submerged
Single sourceLimited only 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]
1× S8G PWR nuclear reactor 2× geared turbines ; 35,000 shp (26 MW) 1x Fairbanks Morse auxiliary diesel 1× 325 hp (242 kW) auxiliary motor 1 shaft with seven-bladed screw[source]
diesel
Single sourceelectric
Single source440 kilowatts (590 hp) (diesel) 1,100 kilowatts (1,500 hp) (electric)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Succeeded by | Columbia class (ballistic missile submarine variant) Virginia class (cruise missile submarine variant)[source] | Type 212 submarine , Type 209 submarine[source] |
|---|
| Cost | $2 billion (late 1990s) ($3.62 billion in 2024 dollars )[source] | — |
|---|
| Built | 1976–1997[source] | 1969–1975[source] |
|---|
| In commission | 1981–present[source] | 1973–2011 (Germany) 2012–present (Colombia)[source] |
|---|
| Planned | 24[source] | — |
|---|
| Completed | 18[source] | 18[source] |
|---|
| Canceled | — |
|---|
| Active | 18[source] |
|---|
| Type | SSBN / SSGN (hull design SCB-304)[source] | Type 206A submarine[source] |
|---|
| Test depth | +800 ft (240 m)[source] | more than 200 m[source] |
|---|
| Sensors & processing systems | BQQ-6 passive bow-mounted array (which includes BQS-13 fire control array) BQR-19 navigation TB-16 or BQR-23 towed array BQR-25 conformal array AN/BPS-15J[source] | 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] |
|---|
| Armament | 4 × 21 inch (533 mm) Mark 48 torpedo tubes (Forward Compartment 4th level)[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 | United States[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] |
|---|
| Electronic warfare & decoys | — | Thomson-CSF DR-2000U ESM system Thorn-EMI SARIE[source] |
|---|
456 tonnes (449 long tons), surfaced; 500 tonnes (490 long tons), submerged[source]
10 knots (19 km/h; 12 mph), surfaced; 17 knots (31 km/h; 20 mph), submerged[source]