Came across this photo when trawling through the TugTalk archives.
Posted on 01/08/2005 by Brian Hargreaves and I hope he won't mind that I have posted it here.
"The Bustler class tug Reward at Newcastle 25 April 1976. Commissioned for Fishery Protection duties"
See also: viewtopic.php?f=11&t=10315&p=19981#p19981