Originally Posted by
Cupart
Why should SAS have different plane types in OSL/ARN vs CPH

I honestly don't know why and asking for some clarification?
Also, what I don't understand is why on earth the company doesn't stick to one manufacturer (either Boeing or Airbus) as this obviously would keep costs down both H/W and employee wise?
Sure but as already mentiond having both an Airbus and an Boeing fleet is more competitive when negotiating with the manufacturers. (For example has Ryanair stated that they are not afraid of ordering Airbus if Boeing doesn't give them the price they want.) And secondly, the A321 transports a whole lot more people and freight than the B737-800s. Therefore it's more suitable on the major trunk routes.
SAS operates diffrent aircrafts from it's three bases that is most suitalbe for the routes flown.
ARN has B737NG and MD80s
CPH has A319/321s, MD80s and CRJ900s
OSL has B737s (both Classics & NGs) and F50s
All the A330/340s are based at CPH and the A330s rotates trough ARN