Great shot Ken, looks like Ben has tracked down some info for you.
regards
Derek

Wow! Well this is a fantastic shot of a tug you really dont see out much at all Ken. A lovely shot of it too.

Its a bit of a mystery one this. I have heard that she might have been the ex Snow White of W.E White but another source says different.

Here is what i have on her - although a few bits may not be correct as i said above.

Engine: 1scr diesel 120hp 6 cyl Ford
32 x 10 x 3ft

1967: Built by W.R Cunis at Woolwich
1967: To W.R Cunis as 'HYCU'
19xx: To A E White & Sons as ??
1983: To Mowlem Marine renamed Purbeck John
2007: To Carillion Regional Civil Engineering at 'Northfleet' (take over of Mowlem Marine)