Chinese investigators will launch a probe into the alleged intrusions of drones within the restricted airspace of Kunming's Changshui International Airport.

Civilian drones have reportedly been flown within the 1,028-square-kilometer restricted area, posing flight safety risks, South China Morning Post reported citing Yunnan.

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Local officials are also seeking for the public's cooperation to report any drone sighting within the area.

China is setting up stringent airspace rules and follows tight policies when it comes to civilian drones. Aside from the need to obtain flight permission from aviation officials, drones are not allowed to enter a 15-kilometer range near airports. Moreover, drones are prohibited from flying higher than 100 meters on flight paths.

Drone owners caught disobeying the rules will be detained for between five and 15 days.

It can be recalled that in 2013, at least four individuals were detained after they illegally flew a drone near Beijing's international airport to conduct surveys. Two aircrafts were diverted while several other flights were delayed because of the incident.

They were charged with "endangering public security" after the Civil Aviation Administration detected their drones at an altitude of 700 meters and speed of 100 km per hour. Aviation and police authorities scrambled a helicopter to intercept the drone and eventually brought it on the ground.

Drones have become popular across the world, being used by videographers, tech fans, as well as for businesses, recreational and professional purposes. In fact, several universities and institutions have started expanding their curriculum to include drones.

Tagsdrones, China Drones, civilian drones