Formerly a pilot boat, one of only two, built for Milford Haven Port Authority by James W. Cook & Co.(Wivenhoe) Ltd of Colchester Essex. Built in 1971/2.
Photographed at Troon Harbour.
Clyde Marine Tugs at BAE Scotstoun,picture was taken in 2009.
Boojum Bay,Beaver Bay,Bitter,and one other tug which I can't make out the name.