| HMS Severn, HMS Mersey and HMS Tyne in February 2012. | |
| Class overview | |
|---|---|
| Name: | River class |
| Builders: | Vosper Thornycroft (now BAE Systems Surface Ships) |
| Operators: | Royal Navy Royal Thai Navy |
| Preceded by: | Castle class |
| Subclasses: | HMS Clyde, HTMS Krabi |
| In commission: | June 2003 |
| General characteristics | |
| Type: | Patrol vessel |
| Displacement: | 1,677 tonnes |
| Length: | 79.5 metres |
| Beam: | 13.6 metres |
| Draught: | 3.8 metres |
| Installed power: | 4,125 kW (5,532 hp) at 1,000 rpm |
| Propulsion: | 2 × Ruston 12RK 270 diesel engines |
| Speed: | 20 kn (37 km/h) |
| Range: | 7,800 nautical miles (14,400 km) at 12 knots (22 km/h) |
| Boats & landing craft carried: |
2 × rigid inflatable boats |
| Complement: | 30, accommodation for 20 more |
| Armament: |
|