| June 06 1917 |
Launched by Smith's Dock Co Ltd, South Bank-on-Tees, Middlesbrough (Yd.No.698) ("Castle" class) for The Admiralty as JAMES ROBERTSON. |
| July 12 1917 |
Completed. |
| February 19 1920 | Registered by The Admiralty as a fishing vessel at London (LO331). |
| 1921 | Sold to David Pettit, Hakin. |
| October 1921 | Sold to D. Pettit Ltd, Milford Haven (David Pettit, manager). |
| December 19 1921 | London registry closed. |
| December 21 1921 | Registered at Milford (M243). |
| January 1922 | Renamed CAPSTONE (M243). |
| January 192? | Mrs Elizabeth A. H. Pettit appointed manager. |
| May 03 1925 | Fishing 140 miles NW by N of Bull Rock went to assistance of COTSMUIR (M244) disabled with broken tailshaft. Connected and towed to Milford. |
| May 06 1925 | Arrived Milford. |
| November 17 1933 | Fishing 25 miles W of Smalls in E fresh gale, observed steamer HOLME FORCE (1216g/1930) in light condition - to Fleetwood, in distress having lost propeller. With difficulty connected and commenced tow to Milford. |
| November 18 1933 | Arrived Milford. Subsequently awarded £1000 salvage money. |
| October 25 1934 | Sold to Boston Deep Sea Fishing & Ice Co Ltd, Fleetwood. |
| April 13 1938 | Sold to Saint Andrew's Steam Fishing Co Ltd, Hull. |
| May 02 1938 | Milford registry closed. |
| May 03 1938 | Registered at Hull (H522). |
| June 1940 | Requisitioned for war service and converted for auxiliary patrol (P.No.4.174) and later for minesweeping duties (P.No.FY1555). |
| June 20 1941 | Shot down a German bomber (Sk. A. E. Rudd RNR). |
| September 1940 | Employed on auxiliary patrol. |
| September 1941 | Employed minesweeping. |
| October 1945 | Returned and re-classed at Liverpool (Basil A. Parkes, Cleveleys, manager). |
| 1945 | Sold to Wyre Steam Trawling Co Ltd, Fleetwood (Merchants (Fleetwood) Ltd, managers). |
| 1945 | Hull registry closed. |
| 1945 | Registered at Fleetwood. |
| 1949 | Renamed WYRE CAPTAIN (FD78). |
| 1954 | Transferred to Wyre Trawlers Ltd (Leslie Wheildon, manager) on purchase of Merchants (Fleetwood) Ltd by Associated Fisheries Group. |
| 1960 | Sold to BISCO and allocated to Thos. W. Ward Ltd, Sheffield for demolition. |
| September 15 1960 | Delivered Barrow-in-Furness from Fleetwood under own power. |
| Note | (James Robertson, Quartergunner, age 37, b. Hardwick, America - ROYAL SOVEREIGN (SB114)) |