FORCETALLY
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At a glance
Measured figures
at 10 knots (19 km/h)
Single source10,000 nautical miles (19,000 km) at 10 knots (19 km/h)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Castle-class patrol vessel | Tarlan-class speedboat |
|---|---|---|
| Displacement | 1,570 tons full load[source] | 9 tons (standard)[source]Tarlan -class torpedo boat |
| Power | 2 shafts, 2 Paxman diesels, 2,820 hp (2,100 kW)[source] | Diesel[source]Tarlan -class torpedo boat 2 × diesel engines, 1,320 horsepower (0.98 MW) 2 × surface piercing propellers[source]Tarlan -class torpedo boat |
| Builders | Hall, Russell & Company[source] | — |
| Operators | Royal Navy (retired) Bangladesh Navy[source] | Navy of the Islamic Revolutionary Guard Corps[source]Tarlan -class torpedo boat |
| Preceded by | Island class[source] | — |
| Succeeded by | River class[source] | — |
| Built | 1979–1981[source] | — |
| In commission | 1982–Present[source] | — |
| Planned | — | |
| Completed | — | |
| Type | Offshore patrol vessel[source] | Torpedo boat[source]Tarlan -class torpedo boat |
| Sensors & processing systems | Type 1006 radar Simrad RU sidescan sonar (Bangladesh Navy installed Type 360 Radar as the main radar)[source] | — |
| Armament | Royal Navy: 1 × Bofors 40 mm gun Mark III, replaced by 1 × 30 mm gun Bangladesh Navy: 1 x 76 mm (3.0 in) main gun 4 × C-704 AShM Small caliber guns or autocannons[source] | — |
| Aviation facilities | Flight deck capable of supporting a Sea King helicopter[source] | — |
| Country of origin | United Kingdom[source] | — |
| In service | — | 2005–present[source]Tarlan -class torpedo boat |
| Alternative designation | — | Tarlan[source] |