11
Registered here
11 aircraft on the Canadian register give CSA4 as their base, and the middle one was built in 1972. The oldest dates from 1966, the newest from 1979.
Canadian Civil Aircraft Register, current to July 27, 2026. Aircraft data reproduced and distributed with the permission of the Government of Canada. The register records a base city for each aircraft; it holds no owner name or address, and none is shown here. MarketPlane.ca is not affiliated with Transport Canada.