It's from the perspective of the boat that towed Viewfinder into the Canary Islands when she lost her first rudder. Viewfinder was the CS 36 that was eventually was abandoned when it lost it'd THIRD rudder mid Atlantic.

The rescue/tow is about half way down the page (When the slider hits the horizon in the background pic)

http://tartan34classic.org/content.aspx?page_id=22&club_id=562371&module_id=118226