Based on the various websites out there it appears that Atlas, unlike some other airlines, doesn't haul in 100 pilots to the interview for every 5 or 10 they hire. It's a "your job to lose" kind of affair. Basic sim, basic get-to-know-you, make sure you can handle being stuck in Seol for the weekend after 15 days already on the road. At least it's been that way 'till now.