Agency:.Produced by the National Film Board of Canada for the Canadian Department of National Defence.

Producer, William Weintraub ; script, William Weintraub ; executive producer, Desmond Dew ; camera, George H. Valiquette ; editing, Marion Meadows ; sound editing, Donald Douglas, John Knight ; re-recording, Jean-Pierre Joutel.

Recorded 1973.

A look at early Canadian aviation, through film footage shot by the Royal Canadian Air Force and the recollections of retired Air Vice-Marshal Thomas A. Lawrence, leader of the 1927-28 aerial survey expedition to Ungava Bay and Hudson Strait. The formidable challenge of flying under Arctic conditions, the hazards faced and the emergencies solved, often with the help of Inuit, make an absorbing chapter of northern frontier history.

Mode of access: World Wide Web.

Description based on online resource; title from title screen (National Film Board of Canada, viewed 2023-08-10).