Ahoy,
Name: GREUNDIEK 1950
Built 1950 by Rickmerswerft, Bremerhaven (no. 246) as Hermann-Hans-65
Rita Dölling-86
Seefahrtschule Grünendeich-94.
GT 348, Deutz 250 bhp.
More info and photos of history here(in german only)
http://www.landschaftsverband-stade.de/greundiek1.html
Source taken from bootsma