Philip Stephen / The oil rig J.W McLean buffeted by rough waves during a gale in the North Sea, September 2006

Philip Stephen / A fishing vessel hidden between wave troughs whilst trawling for cod in the North Sea, June 2007

Philip Stephen / The fishing vessel Saggitarius fights through waves in stormy weather in the North Sea near the Beryl oil rig, 160 miles north east of Aberdeen

Philip Stephen / Silhouette of the fishing vessel Carisanne battling through heavy sea swells in the North Sea, May 2007

Philip Stephen / The Fraserburgh-registered fishing vessel Carisanne battles through rough waves in the North Sea heading for the fishing grounds, May 2006

Philip Stephen / The Fraserburgh-registered fishing vessel Carisanne battles through rough waves in the North Sea heading for the fishing grounds, May 2006

Philip Stephen / The fishing vessel Demares fights through heavy waves in stormy weather in the North Sea near the Beryl oil rig, 160 miles north east of Aberdeen