FORCETALLY
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At a glance
Mark 54 lightweight torpedolarger figure on 0 of 4
Spearfish torpedolarger figure on 4 of 4
Measured figures
Length
Single source8 ft 10.9 in or 106.9 in (2.72 m)[source]
Length
Single sourceConfiguration
| Specification | Mark 54 lightweight torpedo | Spearfish torpedo |
|---|---|---|
| Type | Lightweight ASW torpedo[source] | Heavyweight dual-purpose ASW and ASuW torpedo[source] |
| Place of origin | United States[source] | United Kingdom[source] |
| In service | 2004–present[source] | 1992–present[source] |
| Used by | United States Navy Royal Australian Navy Royal Canadian Navy Royal Air Force Royal Netherlands Navy Republic of China Navy[source] |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
7 m (23 ft)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Royal Navy[source] |
| Designer | Raytheon Systems[source] | — |
|---|
| Designed | 1999[source] | — |
|---|
| Unit cost | US$839,320 (FY2014)[source] | — |
|---|
| Produced | 2003[source] | 1988–2003, 2020- present[source] |
|---|
| Warhead | PBX N-103[source] | Aluminised PBX explosive[source] |
|---|
| Blast yield | 238 lb (108 kg) TNT[source] | — |
|---|
| Engine | Reciprocating external combustion[source] | Sundstrand gas-turbine with pump-jet[source] |
|---|
| Propellant | Otto II (liquid)[source] | HAP / Otto fuel II[source] |
|---|
| Maximum depth | >450 metres (1,480 ft) (estimate)[source] | — |
|---|
| Guidance system | Active or passive/active acoustic homing[source] | Wire-guided with autonomous active terminal homing sonar[source] |
|---|
| Launch platform | Mark 32 Surface Vessel Torpedo Tubes , ASW Aircraft, RUM-139 VL-ASROC[source] | submarine[source] |
|---|
| Manufacturer | Raytheon[source]Mark 54 · sole-source production award April 2003; full-rate production from October 2004 | BAE Systems Underwater Systems[source] |
|---|
| No. built | — | 550 produced[source] |
|---|
| Detonation mechanism | — | Proximity or contact detonation[source] |
|---|