HMC ML Q052 was a wooden Fairmile B Motor Launch (ML) upgunned submarine chaser delivered to the Royal Canadian Navy (RCN) on 31 October 1941. Originally designed for the Royal Navy by W.J. Holt of the British Admiralty and built by British boatbuilder Fairmile Marine, during the Second World War eighty Fairmile B motor launches were built in Canada for service with the Coastal Forces of the RCN.