A B-class lifeboat is any of a series of
inflatable boats operated by the
Royal National Lifeboat Institution
The Royal National Lifeboat Institution (RNLI) is the largest charity that saves lives at sea around the coasts of the United Kingdom, the Republic of Ireland, the Channel Islands, and the Isle of Man, as well as on some inland waterways. It i ...
(RNLI):
Boats in this series include:
*
Atlantic 21-class lifeboat, the first generation
RIB
In vertebrate anatomy, ribs ( la, costae) are the long curved bones which form the rib cage, part of the axial skeleton. In most tetrapods, ribs surround the chest, enabling the lungs to expand and thus facilitate breathing by expanding the ches ...
operated by the
RNLI
The Royal National Lifeboat Institution (RNLI) is the largest charity that saves lives at sea around the coasts of the United Kingdom, the Republic of Ireland, the Channel Islands, and the Isle of Man, as well as on some inland waterways. It i ...
*
Atlantic 75-class lifeboat, the second generation RIB operated by the RNLI
*
Atlantic 85-class lifeboat, the third generation & current production model RIB operated by the RNLI
{{RNLI lifeboat classes
Royal National Lifeboat Institution lifeboats
Ship classes