Various shots of royal yacht "Britannia" in seaway, in canals, in locks and on Saint Lawrence River. Shot of the "Britannia" passing through lift bridge, sailing by Iroquois control dam, going through Thousand Islands section, through Saint-Lambert section, Jacques Cartier Bridge in background, being warped by tugboats, passing under Ivy Lea Bridge. Shot of the "Britannia" in the distance, Union Jack flapping in left foreground. LACU of "Britannia"'s officers on flying bridge. LSs of "Britannia" moored among escorting flotilla, of the "Britannia" passing under Ivy Lea Bridge, banks of river, trees, cows grazing in foreground. ZOOM IN on "Britannia" sailing majestically on.