| Category. | Data. |
|---|---|
| Type. | Conventional Cold War Torpedo. |
| Nationality. | British. |
| Made in. | 1979. |
| Retired. | 2004. |
| Designer. | Marconi Underwater Systems Ltd (Mod 2 Variant). |
| Manufacturer. | Marconi Underwater Systems Ltd (Mod 2 Variant). |
| Variants. | .2 |
| Diameter. | 21 inches. |
| Speed. | 35-knot (65 km/h; 40 mph). |
| Warhead. | 134 to 340 kg (295 to 750 lb) of Torpex |
| Operational range. | (Maximum range) 39 km (21 nmi) at low speed and 13 km (7 nmi) at high speed |
| Guidance system. | Wire-guided to point of passive sonar target acquisition and passive terminal homing sonar. Option of using active acquisition and homing. |
| Launch platform. | Submarine. |
| Weight. | N\A, but probably akin to those of comparable role, configuration and era. |
| Sources. | https://www.wikiwand.com/en/British_21_inch_torpedo and https://www.wikiwand.com/en/Tigerfish_(torpedo) |
A Mark 24 Tigerfish torpedo, Gosport navel Museum, UK in 2005.