10 Sep, 1941
The German submarine U-501 was sunk at 2330hrs on 10 September 1941 in the Straits of Denmark south of Angmagsalik, Greenland, in position 62º50'N, 37º50'W, by depth charges and ramming from the Canadian corvettes HMCS Chambly (A/Cdr. J.D. Prentice, RCN) and HMCS Moosejaw (Lt. F.E. Grubb, RCN).

See also this website for Lt. Grubb's report (offsite link). (see map)

11 Sep, 1941
HMCS Kenogami (Lt.Cdr. R. Jackson, RCNVR) and HMCS Moosejaw (Lt. L.D. Quick, RCN) together pick up 41 survivors from the British merchant Berury that was torpedoed and sunk by the German submarine U-207 east of Cape Farewell in position 62º40'N, 38º50'W.

9 Jan, 1942
HMCS Moosejaw (Lt. H.D. Campsie, RCNR) ran aground off the south entrance of St. John's harbour.

19 Feb, 1942
HMCS Moosejaw (Lt. L.D. Quick, RCNR) was grounded again (see January 9th) at south entrance to St. John's harbour. She was undergoing temporary repairs at St. John's until 5 March when she left for Saint John, New Brunswick for permanent repairs that lasted until 25 June.

28 Feb, 1945
HMCS Moosejaw (Lt. A. Harvey) picks up 6 survivors from the British merchant Norfolk Coast that was torpedoed and sunk by the German submarine U-1302 south-west of Strumble Head in position 51º58'N, 05º25'W.