Two Indonesian Air Force Embraer EMB-314E Super Tucano (A-29) aircraft collided in mid-air killing four pilots.
The aircraft operated by Skadron Udara 21, crashed under unknown circumstances on the slopes of Mount Bromo, near Keduwung Village, Puspo District.
The aircraft (TT-3103 and TT-3111) were part of a four-ship formation that had departed Malang-Abdul Rachman Saleh Air Base.
At the time of the accident, they were flying in a box formation. The pilots of both planes died in the crash.
The incident left two pilots and two other crew members dead, according to Sasongkojati.
“All four bodies have been found by rescuers and sent to nearby hospitals,” he told Xinhua by phone.
The accident occurred at about 11:43 a.m. local time and an explosion happened after one of the planes crashed, said Muhammad Hariyadi, head of the provincial search and rescue office