The Mersey Class lifeboat RNLB THE FOUR BOYS (12-19) in Hartlepool Marina. She was, until November 2016, based at Amble in Northumberland. She was replaced by the Shannon Class lifeboat "RNLB Elizabeth and Leonard" (13-16).
See also:
http://www.northeastmaritime.co.uk/viewtopic.php?f=105&t=7000&p=12196&hilit=The+Four+Boys#p12196