Severn-class lifeboat

The Will (ON 1201)
Class overview
Name	Severn class
Builders	Berthon Boat Co, Green Marine (Hull Moldings)
Operators	Royal National Lifeboat Institution
Preceded by	Arun-class
Cost	£2 million
Built	1992–2005
In service	1996–
Completed	46
Active	44
Retired	2
General characteristics
Displacement	40 t (39 long tons)
Length	17.3m (56ft 9in)
Beam	5.9m (19ft 4in)
Draught	1.78m (5ft 10in)
Propulsion	2 × Caterpillar 3412 TA diesel engines, 1,250 hp (932 kW) each or 2 x MTU 10V2000 M94 engines; 1,600 hp (1,193 kW) (after re-engining) UBW 195 V reverse-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 is the largest lifeboat operated by the Royal National Lifeboat Institution (RNLI). The class, which is 17.3 metres (56 ft 9 in) long, was introduced in to service in 1996. It is named after the River Severn, the longest river in Great Britain. The lifeboats are stationed at 35 locations around the coasts of the United Kingdom and Ireland and can provide coverage up to 125 nmi (232 km) out to sea.