Originally Posted by ksu

O-class on SK officially doesn't exist at all, I've only seen the class on domestic Norwegian flights on special tickets for the Norwegian armed forces.

The last time I flew on military duty (March '06) my e-ticket receipt actually said First Class KSU-OSL-KSU. I've saved the receipt as a souvenir: anyone having travelled domestically in Norway lately knows that our domestic services are very much one class and anything but first class!