Great Lakes Waterway upbound direction is away from the St. Lawrence River (westerly or northerly except in Lake Michigan where upbound is southerly). Channels are marked with navigation buoys in constricted areas and pilots are required on foreign boats. Recreational boats can use or cross the ship channels, but the large boats, with limited maneuverability, have right of way. Map of the North American Great Lakes and the St. Lawrence Seaway from 1959, depicting the entire length beginning at the Gulf of Saint Lawrence in the east to the western-most terminus at Lake Superior. Great Lakes Waterway The Great Lakes Waterway is a
Great Lakes Airlines (Canada) 440 propliners and Convair 580 turboprops, were older and subject to vibrations during take-off, resulting in passengers nicknaming the company "Great Shakes". Convair 580 turboprops operated by Air Ontario prompted the nickname "Scare Ontario". Great Lakes Airlines was serving the following destinations in Ontario province in Canada with scheduled passenger flights operated with Convair aircraft in 1979: Great Lakes Airlines (Canada) Great Lakes Airlines was a regional airline in Canada. It was formed in 1958 in Sarnia, Ontario by John Blunt and by 1983 became Air Ontario Ltd. In June 1987 Air Ontario Ltd. merged with Austin Airways to form