KAI signs new deal with Indonesia for KT-1Bs and T-50i uppgrade Thursday, 8 November 2018 Army, Defence, Military, News, World Korea Aerospace Industries (KAI), a South Korean defense firm, signed a contract worth 100 billion won (US$89.4 million) with Indonesia on Thursday, its officials said on November 8, 2018. Read more A TNI AU T-50i advanced trainer jet (Credit: KAI) Read more Tweet Subscribe to receive free email updates: