Severn class lifeboat
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| Class overview | |
|---|---|
| Builders: | Green Marine |
| Operators: |  Royal National Lifeboat Institution |
| Built: | 1992–2003 |
| In service: | 1996– |
| Completed: | 46 |
| General characteristics | |
| Displacement: | 40 t (39 long tons) |
| Length: | 17 m (55 ft 9 in) |
| Beam: | 5.5 m (18 ft 1 in) |
| Draught: | 1.38 m (4 ft 6 in) |
| Propulsion: | 2 × Caterpillar 3412 TA diesel engines, 1,250 hp (932 kW) each UBW 195 V reserve-reduction gearbox 2.03:1 ratio 5,500 litre (1,200 imperial gallons) fuel capacity |
| Speed: | 25 knots (29 mph/46 km/h) |
| Range: | 250 nmi (460 km) |
| Capacity: | Self Righting 47 Non-Self Righting 185 |
| Complement: | 6 |
The Severn class lifeboat is the largest lifeboat used by the Royal National Lifeboat Institution (RNLI), a UK charity dedicated to saving life at sea. The class is named after the River Severn, the longest river in Great Britain.
There are forty-six Severn class lifeboats serving the RNLI around the coast of the UK and Ireland since the introduction of the class in 1996. It carries a Y Class inflatable boat, which can be deployed by an on-board crane for use in shallow water.
Severns have a comprehensive electronics fit including full MF and VHF DSC radio equipment, DGPS Navigator, an electronic chart system, VHF/DF, radar and weather sensors. For added manoeuvrability, in addition to twin engines, the Severn also has a bow thruster fitted. The propellers are enclosed so the Severn can take ground without damaging them.
The Severn is constructed of fibre reinforced composite material, and the hard chine semi-displacement hull built to a two compartment standard, meaning it can stay afloat with two of its five compartments flooded. Provision for survivors includes comprehensive first aid equipment including stretchers, oxygen and Entonox.
Severns carry a portable salvage pump in a water-tight container, and can also carry out pumping and fire fighting tasks using the engine driven general service pump.
Gallery
 Severn class lifeboat in Poole Harbour, Dorset, England |
 Part of the main control panel of a Severn class lifeboat |
 The engine room of a Severn class lifeboat |
External links
- Shetland Coastguard - Severn class lifeboat
- Green Marine Ltd.
- Dover lifeboat
- Harwich lifeboat
- Newhaven lifeboat
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