PETALING JAYA: Two airplanes from Indonesia's Jupiter aerobatics team crashed during a practice session at the Langkawi International Maritime and Aerospace (Lima) 2015 exhibition on Sunday.

In the 2pm incident, the KT–1B Wongbi planes, among six aircraft belonging to the Indonesian Air Force carrying out a practice run, were said to have grazed each other before crashing.

Fire and smoke were seen during the collision over the Langkawi International Airport.

One of the pilots is seen on a stretcher after being rescued by firemen following the crash in Langkawi. Photo by Fire and Rescue Services Department

Pilots of both planes ejected from their aircraft and landed safely with their parachutes. They were located by Fire and Rescue Services Department staff and rushed to the Langkawi Hospital.

The wreckage of the planes were found scattered over a wide forested area at the edge of the airport. One of the planes' seat was found near a house and at least two houses caught fire due to the crash.

Eyewitness Markus Chong, said he saw two pilots ejecting before the planes crashed.

"Two in mid-air collision from Jupiter Aerobatic Team. Both pilots ejected. Hopefully no injuries on ground," he posted on Facebook.

It is learnt that all practices and aerial displays were halted immediately as search and rescue helicopters were deployed to find the missing pilots.