

1981
L-1011 taking off, gear down, maple-leaf tail.
The company
Air Canada, Canada’s national airline reporting to the Minister of Transport in Ottawa, operated scheduled passenger and cargo services on domestic and international routes.
p. 5
That year
Air Canada’s share of revenue passenger miles flown by Canadian airlines on Canadian routes was estimated at 59.1 per cent in 1981, down from 62.4 per cent in 1980.
p. 5
Source
archive.org/details/McGillLibrary-635826-24160
Other years 1966