
The Canadair 540, in production at Montreal in 1959, combines a Convair 440 with Napier Eland engines. The pre-prototype was a Convair 440 converted by PacAero of Santa Monica and first flown on 11 October 1959.

The Canadair 540, in production at Montreal in 1959, combines a Convair 440 with Napier Eland engines. The pre-prototype was a Convair 440 converted by PacAero of Santa Monica and first flown on 11 October 1959.