Looks like a standard Thames lighter to me but then I'm no expert, and it does have military type markings on the side so maybe Major Somerton - Rayner acquired it through the old boys network!
The facilites in London are pathetic when you look at the number of heliports/helipads dotted around Manhattan, both on piers and on buildings.
Last edited by chevvron; 29th Jan 2013 at 12:35.