Both pilots of the MD-83 held extensive experience in type at the time of the accident. Ameristar’s chief pilot was acting as PIC from the right seat, providing differences training to the captain and flying pilot in the left seat. The Ameristar chief pilot had logged 9,660 total flight hours, with 2,462 hours in DC-9 series airplanes. The captain (flying pilot) had 15,518 flight hours, with 8,495 hours in DC-9-series airplanes. The DC-9 type rating covers operation of the MD-83 aircraft.