A B-class lifeboat is any of a series of
inflatable boat
An inflatable boat is a lightweight boat constructed with its sides and Bow (watercraft), bow made of Inflatable, flexible tubes containing pressurised gas. For smaller boats, the floor and Hull (watercraft), hull are often flexible, while for ...
s operated by the
Royal National Lifeboat Institution
The Royal National Lifeboat Institution (RNLI) is the largest of the lifeboat (rescue), lifeboat services operating around the coasts of the United Kingdom, Republic of Ireland, Ireland, the Channel Islands, and the Isle of Man, as well as on s ...
(RNLI):
Boats in this series include:
*
Atlantic 21-class lifeboat
The Atlantic 21 Inshore lifeboat was the first generation rigid inflatable boat (RIB), in the B-class series of Inshore lifeboat (rescue), lifeboats, that were operated around the shores of the British Isles and the Channel Islands by the Roya ...
, the first generation
RIB
In vertebrate anatomy, ribs () are the long curved bones which form the rib cage, part of the axial skeleton. In most tetrapods, ribs surround the thoracic cavity, enabling the lungs to expand and thus facilitate breathing by expanding the ...
operated by the
RNLI
The Royal National Lifeboat Institution (RNLI) is the largest of the lifeboat services operating around the coasts of the United Kingdom, Ireland, the Channel Islands, and the Isle of Man, as well as on some inland waterways.
Founded in 1824 ...
*
Atlantic 75-class lifeboat, the second generation RIB operated by the RNLI
*
Atlantic 85-class lifeboat
The Atlantic 85 is the third generation rigid inflatable boat (RIB), in the B-class series of Inshore lifeboats, operated around the shores of the British Isles and the Channel Islands by the Royal National Lifeboat Institution (RNLI). Develop ...
, the third generation & current production model RIB operated by the RNLI
{{RNLI lifeboat classes