Heesen3700 series....Lady Ingeborg, Seascape, Let it Be, Man of steel

Hi guys, i am in the process of making a model of the Heesen *Let it be* for a friend of mine, and i am having problems getting hold of deckplans of this vessel and also pics.....so i am pleading, if anyone can help me plz post pics, plans or links anythign that would help me....
hopeful.........