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


At a glance
Heroine-class submarinelarger figure on 3 of 3
Shallow Water Combat Submersiblelarger figure on 0 of 3
Measured figures
Length
Single source62 m (203 ft 5 in)[source]
Length
Single sourceConfiguration
| Specification | Heroine-class submarine | Shallow Water Combat Submersible |
|---|---|---|
| Power | Diesel-electric, 4 diesels, 1 shaft, 6,100 shp (4,500 kW )[source] | — |
| Name | Heroine class[source] | — |
| Builders | Howaldtswerke-Deutsche Werft[source] | Teledyne Brown Engineering[source] |
| Operators | South African Navy[source] | United States Navy Royal Navy (planned)[source] |
| Preceded by | Daphné class |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
6.8 meters (22 ft)[source]
at 10 knots snorkeling
Single sourceat 10 knots surfaced
Single sourceat 4 knots (7.4 km/h; 4.6 mph) submerged
Single source11,000 nmi (20,000 km; 13,000 mi) at 10 knots surfaced 8,000 nmi (15,000 km; 9,200 mi) at 10 knots snorkeling 400 nmi (740 km; 460 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.
SEAL Delivery Vehicle[source] |
| Built | 2001–2007[source] | — |
|---|
| In commission | 2005–present[source] | — |
|---|
| Completed |
|---|
| Active | — |
|---|
| Type | Type 209/1400 submarine[source] | Submersible , diver propulsion vehicle[source] |
|---|
| Test depth | 500 m (1,600 ft)[source] | >190 feet (58 m)[source] |
|---|
| Sensors & processing systems | Sonar : STN Atlas CSU-90; hull mounted and flank arrays Radar : Surface search I-band Optics : Zeiss non-hull penetrating optronic mast[source] | Inertial navigation system , high-frequency sonar for obstacle/mine avoidance and navigation, GPS[source] |
|---|
| Electronic warfare & decoys | ESM : Grintek Avitronics , intercept + radar warning receiver ELINT : Saab S/UME-100 tactical electronic support measures[source] | — |
|---|
| Armament | 8 × 21 in (533 mm) torpedo tubes , 14 AEG SUT 264 torpedoes ; optional UGM-84 Harpoon integration[source] | SEAL team personal weapons, limpet mines[source] |
|---|
| Country of origin | Germany[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] |
|---|