Grasbrook Built 1916 Rickmers Rhederei & Schiffbau AG Bremerhaven as an Aux Minesweeper
02/08/1916 Operating in North Sea Auxiliary Mine Sweeping 8th Flotilla
02/12/1918 Operating in 4th Minesweeping Flotilla and the 12th Minesweeping Semi Flotilla
01.04.1919 Renamed Grasbrook IV now in Baltic minesweeper 8th Semi Flotilla
10/07/1920 Came to Britain
09/1920 Registered as GY1345
03/1922 Owned by North Western Steam Fishing Co GY 1345
03/1922 Sold to Spain and Renamed Casa Ciriza
01/02/1965 CASA CIRIZA Sunk after collision with Spanish fishing MV Bahia de Bermeo off Ondarrosa
Her details are
- Official Number 140827
- Yard Number173
- Armament 1 88mm
- GT 246 NT 91
- Dimensions 127 x 23 x 10