| December 05 1917 |
Completed by Cochrane & Sons Ltd, Selby (Yd.No.822) ("Mersey" class) for The Admiralty as JOHN CORMACK. |
| January 28 1920 |
Registered by The Admiralty as a fishing vessel at London (LO263). |
| 1922 | Sold to Pickering & Haldanes Steam Trawling Co Ltd, Hull. |
| July 28 1922 | London registry closed. |
| August 04 1922 | Renamed LORD PIRRIE (H660). |
| 1929 | Sold to Eton Steam Fishing Co Ltd, Hull |
| June 28 1929 | Renamed Chiltern (H660). |
| 1930 | Sold to W. B. Willey & Sons Ltd, Hull. |
| Pre 1936 | Fishing from Fleetwood. |
| July 1936 | On Rockall grounds, George Cook of Blackburn, deckhand, fell overboard and was drowned. |
| 1938 | Sold to H. Elliot, Fleetwood (H. Elliott & Sons Trawlers Ltd, managers). |
| Pre April 1940 | Employed on Fishery Protection (WA/Fort William/Fleetwood |
| 1940 | Sold to Boston Deep Sea Fishing & Ice Co Ltd, Fleetwood (B. A. Parkes, manager). |
| June 04 1940 | Requisitioned for war service and converted for auxiliary patrol duties (P.No. 4.125). At St. Nazaire, rescued women and children from advancing German forces. The last British ship to leave the port. |
| June 30 1941 | Shot down twin engined German bomber off West Country (Temp Sk. A. J. Drake RNR). |
| September 1941 | Converted for minesweeping duties. |
| 1945 | Returned. |
| 1945 | Sold to Planet Fishing Co Ltd, Edinburgh. (Edwin Walker & Sons, managers). Registered at Granton (GN25). |
| October 28 1945 | Laid up at Granton. Flooded engine room due to leak. |
| January 26 1950 | Picked up crew of KUVERA (GN39) which had sprung a leak and foundered 110 miles NE of Buchan Ness. |
| 1952 | Sold to Medway Yacht Basin Ltd, Borstal, Rochester (R. W. Pearson, manager). |
| 1954 | Sold for demolition. |
| Note | (John Cormack (aka Cormick), Bosun's Mate (prest), age 26, b. Co.Wexford (also recorded as age 29, b. Edinburgh) - VICTORY (SB573))
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