The plane, LE-500 model with 4-5 seats, was produced by AVIC Industry Corp. Of China.
A pilot and three customers were onboard when the accident happened at 4 PM, sate-run Xinhua news agency said.
A witness said that the plane suddenly plunged from the sky and hit the ground.
The show started on Tuesday and will end tomorrow.
More than 50 general aviation manufacturers and operators brought around 150 aircraft to the event, which was sponsored by the AVIC flight club.
Disclaimer: No Business Standard Journalist was involved in creation of this content
