| December 07 1915 |
Launched by Smith's Dock Co Ltd, South Bank-on-Tees, Middlesbrough (Yd.No.607), North Shields as LANERCOST. |
| January 1916 |
Completed. Registered at North Shields (SN248) |
| January 1916 |
Requisitioned from the builders for war service and converted for minesweeping duties (Ad.3254). |
| 1916 |
Sold to Palatine Steam Trawling Co Ltd, Fleetwood (J. N. Ward & Son, managers). |
| December 29 1916 | Registered at Fleetwood (FD292). |
| 1919 | Returned. |
| September 27 1921 | Renamed DARWEN (FD292). |
| October 06 1928 | Stranded in Druridge Bay, Northumberland. |
| October 10 1928 | Refloated, repaired and returned to service. |
| Post 1933 Pre 1935 | Sold to Thomas M. Reed, Tynemouth. |
| November 1939 | Requisitioned for war service and converted for auxiliary patrol (P.No. FY.1859). |
| 1940 | Converted for minesweeping duties. |
| February 1946 | Reclassed at Liverpool and returned. |
| Pre 1949 | Sold to Mrs C. M. Reed & W. F. Reed, Grimsby (H. Markham Cook, manager). |
| 1951 | Sold to Goodleigh Fisheries Ltd, Milford Haven (Henry J. Richards, manager). Renamed WESTLEIGH (M169). |
| July 1952 | Sold to Percy Turner & Sons, Plymouth. |
| July 24 1952 | Milford registry closed. |
| July 1952 | Renamed PERVERUS (PH116). |
| 1955 | Sold to BISCO for demolition. |
| March 23 1955 | Sailed Plymouth. |