| December 23 1938 | Launched by Smith's Dock Co Ltd, South Bank-on-Tees, Middlesbrough (Yd.No.1058) for Northern Fishing Co (Hull) Ltd, Hull (Peter A. Hellyer, manager) as IMPERIALIST. |
| January 28 1939 | Registered at Hull (H2). |
| January 1939 | Completed. |
| August 1939 | Requisitioned for war service and converted for anti submarine duties (P.No.FY.126). |
| January 18 1942 | At Gibraltar, 7th A/S Group, damaged by explosive charge placed onboard HMS ERIN. |
| October 31 1943 | With LOCH OSKAIG (H431/P.No.FY.175) and HMS DOUGLAS (P.No.D90) sank U-boat (U.732) in Atlantic in position 35.54N 05.52W. Twenty-two survivors captured.
|
| October 1945 | Returned (Mark Hellyer & Graham Hellyer, managers). |
| January 1947 | SConverted for burning oil fuel, F.P. above 150° F. |
| June 1949 | New boiler fitted. |
| October 09 1959 | Outward for Icelandic grounds in thick fog off the Yorkshire coast in collision with Turkish steamer YELKENCI (7046grt/1943) 15 miles east of Scarborough. Heavy damage to shell plating on the port side, and beached south of Scarborough harbour.
|
| October 11 1959 | Refloated after temporary repairs and proceeded to Hull for permanent repair and return to service |
| October 10 1963 | Transferred within the Associated Fisheries Group to Wyre Trawlers Ltd, Fleetwood. |
| 1965 | Registered at Fleetwood (FD83). |
| October 18 1965 | In a heavy gale on Icelandic grounds, went to he assistance of Icelandic STRAKUR disabled with engine trouble. Picked up seven crew members from a dinghy and with difficulty closed casualty and took off remaining two crew. |
| 1966 | Sold to West of Scotland Shipbreaking Co Ltd, Troon for demolition. |
| December 20 1966 | Delivered Troon from Fleetwood under own power.
|