Birch built 23/01/1912 by Cook Welton & Gemmell for W Grant and D. Robinson Grimsby
02/1915 Requisitioned as minesweeper
23/08/1916 North Sea – Skipper Edward Yallop RNR With group of minesweepers sweeping War Channel approaches to Lowestoft she was Mined at 1600, laid by UC.1 Kurt Ramien 3 days before, She broke up and sank off Yarmouth 52.35N 01.54E 3 ratings lost
| Surname | Forenames | Age at Death | Date of Death | Rank | Boat |
| BROWN | Charles V | Unknown | 23/08/1916 | Deck Hand | Birch |
| MILLER | William | Unknown | 23/08/1916 | 2nd Hand | Birch |
| WRIGHT | Frank S | Unknown | 23/08/1916 | Deck Hand | Birch |
Her details are
- Official Number 132125
- Yard Number 236
- Admiralty number 1129
- GT 215 NT 84
- Quarter Deck 67
- Dimensions 118.9 x 21.5 x 11.4
- Engines Amos & Smith 67 HP 10.5 Knots
23/08/1916 Mined off Yarmouth whilst in Admiralty Service