 This third Grand Caravan enabled the company to begin scheduled services out of Medan, capital of North Sumatra.In late 2006 this aircraft was moved to Jayapura, Papua, to establish a base in what is one of the more challenging flying environments in the world.A fourth Grand Caravan was added to the fleet in early 2007 along with the addition of a new type, the Diamond Twin Star, for use on charter flights as well as opening up the possibility for Susi Air to train their own pilots.