Hawk Problems

Hi,
I downloaded the UKMil BAe Hawk from http://www.simviation.com/fsxmilitary15.htm ( the second from last one ), but when I fly, it sometimes steeply banks to the right. It even happens when Autopilot is one. Is there a fix?
I downloaded the UKMil BAe Hawk from http://www.simviation.com/fsxmilitary15.htm ( the second from last one ), but when I fly, it sometimes steeply banks to the right. It even happens when Autopilot is one. Is there a fix?