Indonesia was the 1st export customer of the Korean built KT-1 and initially received 17 units (serialled LD-0101 through LD-0117) and assigned to Training Squadron 102 in Yogyakarta. LD-0105 still wears the big black serials instead of "TNI-AU" letters later applied. By now, all TNI-AU KT-1's are assigned to the Jupiter Aerobatic Team, and have been re-serialled to LL-01XX (LD-0105 shown here became LL-0105). As of December 2021, at least two additional KT-1's are about to join the fleet to make up for the few aircraft lost during accidents. They will become LL-0118 and LL-0119.

Indonesia's Air Force TNI-AU was the 1st export customer of the Korean built KT-1 and received 17 units. A few have been lost unfortunately, including the one pictured here on December 7, 2020 during approach to Adisutjipto Air Base in Yogjakarta (where the fleet is based). Apparently, Indonesia ordered three more KT-1's in 2018. The first a/c, delivered as from 2006, wore a light grey paint, but soon afterwards the TNI-AU started to apply this red/white livery with big black registration letters. All TNI-AU KT-1's are now assigned to the Jupiter Aerobatic Team.

LD stands for "Latih Dasar" and means "Basic Trainer", even though the indonesian AF used the 20+ Turbo Mentors in it's inventory as advanced trainers. The type was introduced to the TNI-AU in 1978 and served till 2015/2016, when it was replaced by Grob 120 TP aircraft.