The four pilots of two KT-1B aircraft of Indonesia's Jupiter aerobatics team, which crashed after a mid-air collision during a practice session in conjunction with the 2015 Langkawi International Maritime and Aerospace (LIMA '15), have been identified.

They are Arief Hartono, Sri Rahardjo, H.S. Romas and Hunaidi Syarif Romas.

All of them only suffered minor injuries and are receiving treatment at Langkawi Hospital.

Defence Minister Datuk Seri Hishammuddin Hussein and his Indonesian counterpart, Ryamizard Ryacudu, visited the pilots soon after the incident.

READ: Hishammuddin thankful for Jupiter pilots' survival

In the 2pm incident, the two aircraft, among six aircraft belonging to the Indonesian Air Force (AU-TNI) which were carrying out a practice run, were said to have grazed each other before crashing.

The Indonesian aerobatic team is one of five teams that are scheduled to put on airshows at LIMA'15 which will be held from March 17 to 21.

READ: RMAF, Indonesian Air Force form team to investigate mishap

READ: Two Indonesian aircraft crash during practice, pilots safe