From The Internet Movie Plane Database
Convair 540/580/600/640 are all turpboprop powered versions of the Convair 240 family. The 540 was a 340 converted with Napier Eland turboprop engines. The 580 was conversion from 340 et 440 Metropolitan with Allison engines. The 600 a conversion from 240 with Rolls Royce Dart, as the 640 from the piston engines 340 et 440.
This page lists all films that feature the Convair 540/580/600/640.