Aeroclassics has in the past year made some excellent European Douglas propliners for some relatively obscure airlines like Finlantic. Sudflug is an example of an airline that although long gone deserves to be remembered not only as the first airline in West Germany but also an IT pioneer:
Sudflug Douglas DC-7C by rstretton, on Flickr
Sudflug Douglas DC-7C by rstretton, on Flickr