The airplane (a civilian Lockheed L-100-30(P) Hercules, registration A-1325) had been on a normal flight transporting military personnel and their families from Jakarta to a military base in eastern Java. The plane was attempting to land at Iswahyudi Air Force Base, but instead crashed in the village of Geplak, about 5.5 kilometres (3.4 mi) northwest of the north end of the runway. It hit four houses before skidding into a rice field. It burst into flames upon impact. The exact number of casualties is uncertain; two or three (probably 2) occupants of a house are said to have died. Flying conditions were good and the weather was clear at the time of the crash.