The purpose of this study is to develop a training scenario for KA-32T helicopter simulator. First, the concept of training scenario are classified into training elements and training information. Secondly, the training elements are defined according to the property of each element: flight phase, situation, and environment. The main mission of KA-32T on the operation of KFS(Korea Forest Service) is the forest fire extinguishment mission, and it is divided into the two disciplines: water supply and water discharge. Finally the mission scenario for two disciplines are defined and developed as the combination of the normal procedures of training scenario and the mission procedures.