Originally Posted by
Skipness One Foxtrot
Was there a busiiness logic for sourcing both ATR42-500 and -600 as well as ATR72-500 and -600? Or was it down to pure airframe availability and they can happily mix and match marques?
Assume it was airframe availability as both versions are similar apart from the 600 versions having superior performance and higher weights as well as higher automation levels for the pilots.