less than 1000 BRT:
| Dainty (1918, 468, 5/1923 - 3/1924); Muirchú (1908, 323, 1 - 76/40, 8/1923 - 5/1947); Fort Rannoch (1936, 258, 1 - 76/40, 1938 - 1947) |
Ship project history: Former trawlers purchased and used for fishery protection service.
Modernizations: None.
Naval service: No significant events.

Muirchú
© Ivan Gogin, 2011