South Korean aerospace company Korea Aerospace Industries signed a deal with Indonesia's defense ministry and PTDI to jointly develop KF-X, according to the KAI on Thursday. 
 
Through the deal, the Korean aerospace company wrapped up all the preparation for joint development including investment and work responsibility.
 
Indonesia's defense ministry will share the expense of around 1 percent of the total project cost in April of this year, and the figure will increase by more than 2 percent from 2017.
 
PTDI is slated to dispatch up to 100 personnel for the plane's structural design, interpretation and system from May.
 
Indonesia is set to invest around 1.6 trillion won, around 20 percent of the total project cost and the nation will be provided with one prototype and various technical materials.