The fleet of SAS have to many elements in each group
Scandinavian Airline Systems have 3 types of long haul aircraft, 2 types of regional and no less than 6 types of short haul medium size aircraf in their fleets. I know SAS has historically been able to sell used aircraft for more than they bought them due to being early on new types and moving on quickly, but that is many years ago now. Low cost competitors have gone for single type and big orders. Ryanair 's fleet of 340 aircraft are all Boeing 737-800's. Even though SAS is a full service (somewhat) network airline of the hub and spoke model a certain reduction in fleet disparity can only be good. Who these days adjust the aircraft used exactly to load instead of adjusting price to fill the seats available. Let's take long haul first. A330, A340 and A350. Simple choice. Everybody is getting writh of the 4 engine A340. And SAS have now got the last out of operation. If the market is light and SAS could ramp up cargo maybe a couple of cargo conversions could have been in o...