 Since the purchase of the boat was funded by the sale of Christmas Seals, she was renamed M/V "Christmas Seal".From 1947 the vessel sailed to isolated outports on the coast of Newfoundland, screening residents for tuberculosis, which was a leading cause of death on the island.Under the command of Captain Peter Troake from 1950, the ship was fitted to provide chest X-rays, and also carried out vaccinations for TB and polio, and tested for diabetes.