CGS Vigilant was an armed 3rd class cruiser

Cruiser

A cruiser is a type of warship. The term has been in use for several hundreds of years, and has had different meanings throughout this period...

 employed as a Canadian Great Lakes

Great Lakes

The Great Lakes are a collection of freshwater lakes located in northeastern North America, on the Canada – United States border. Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario, they form the largest group of freshwater lakes on Earth by total surface, coming in second by volume...

 Fisheries Protection

Fisheries and Oceans Canada

Fisheries and Oceans Canada, frequently referred to as DFO , is the department within the government of Canada that is responsible for developing and implementing policies and programs in support of Canada's economic, ecological and scientific interests in oceans and inland waters...

 vessel.
She replaced CGS Petrel, which had previously performed these duties. Sold in 1924, she was later chartered by the Customs Preventive Service for East Coast patrols between 1927-29. In 1935 new owner had the cruiser converted to a barge by Port Colborne Iron Works, sold in 1938 and further converted as a crane barge for Hindman Transportation Co, Vigilant was decommissioned after 1944 and scrapped in 1956.