KAI says first two T-50TH for RTAF to be delivered in November 2019 Minggu, 30 Juli 2017 Defence, News, WAR, World Korea Aerospace Industries (KAI) said on Jul. 30 that it will be delivering the first two T-50TH advanced jet trainer for the Royal Thai Air Force (RTAF) in November 2019. Tweet Subscribe to receive free email updates: