The Atlantic 85 is part of the B-class of lifeboats that serve the shores of the United Kingdom and Ireland as a part of the RNLI inshore fleet. The Atlantic 85 is the third generation B-class Rigid Inflatable Boat (RIB) developed from the Atlantic 21 and the later Atlantic 75. The Atlantic design of the B-class of lifeboats is named after Atlantic College, where the design was originally developed.