In June 1967, she was on a regular run from Montreal to Southampton via Le Havre when she ran aground on a sand bank between Lac St. Pierre and Trois-Rivières, Quebec. After nearly 24 hours trying to shift her with ocean-going tugboats, Cunard offered the 400 or so passengers the option of flying to the UK or continuing their voyage on the CP liner "Empress of England", which had sailed from Montreal at noon the following day. Those passengers who opted to take "Empress of England" were transferred late in the afternoon on the deck of a ferry from Trois-Rivières, arriving aboard "Empress of England" via the utility entrance for the kitchen.