[3] The River-class frigate was designed by William Reed of Smith's Dock Company of South Bank-on-Tees.

[5] The name "frigate" was suggested by Vice-Admiral Percy Nelles of the Royal Canadian Navy and was adopted later that year.

[5] 15 Canadian frigates were initially fitted with a single 4-inch gun forward but with the exception of HMCS Valleyfield, they were all eventually upgraded to the double mount.

[6] For underwater targets, the River-class frigate was equipped with a Hedgehog anti-submarine mortar and depth charge rails aft and four side-mounted throwers.

[5] River-class frigates were the first Royal Canadian Navy warships to carry the 147B Sword horizontal fan echo sonar transmitter in addition to the irregular ASDIC.

[7] Outremont returned to Canada in December 1944 to undergo a tropicalization refit at Sydney in preparation for service in the southern Pacific Ocean.

[9] Outremont deployed to the Caribbean Sea in May–June 1956 for training exercises with the destroyer Nootka and two United States Navy submarines.

[3][11] In June 1960, the frigate began a tour of the Great Lakes and Saint Lawrence Seaway, making several port visits.