Type : fast minesweeper
Class : SCHÜTZE - Class 341
Pennant number : M 1097
German pennant number : SM 7
Name : Gemma
Length : 47,40 m
Beam : 7,20 m
Draft : 2,20m
Displacement : 281,5
Propulsion : 2 x Maybach-Viertakt-16-Zylinder Diesel 2380 PS/1750 KW.
Speed : 24 kn
Armament : 40 mm - Flak L/70 Borfors.
Complement : 31
Decommission date : 18.12.1987


www.schuetzeklasse.de

she sank in August 2013 :
http://www.shipspotting.com/gallery/photo.php?lid=1877024

she was raised on 25.11.2013
http://www.wzonline.de/nachrichten/lokal/artikel/gesunkene-gemma-schwimmt-wieder.html