As a DEC you go through new hire training as an FO (but paid as a Captain) which is 3 weeks of ground school and Mission Fit (PC-12 FTD) then you go to Flight Safety ( with Plane Sense instructors) for 4 days of simulator training then a check ride. You then do 3-4 rotators an FO ( still paid as a Captain) after which you go into the next upgrade class to get trained as a Captain