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.
