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Mexico issues rules on use of drones; smallest need no permit

FILE - In this March 10, 2015 file photo, The Inspire 1, a drone manufactured by DJI, is flown in Davenport, Calif. Mexico published rules governing the use of drones on Wednesday, April 29, 2015, allowing people to operate the smallest drones in daylight without a permit but with safety rules. (AP Photo/Marcio Jose Sanchez, File)

FILE - In this March 10, 2015 file photo, The Inspire 1, a drone manufactured by DJI, is flown in Davenport, Calif. Mexico published rules governing the use of drones on Wednesday, April 29, 2015, allowing people to operate the smallest drones in daylight without a permit but with safety rules. (AP Photo/Marcio Jose Sanchez, File)  (The Associated Press)

Mexico has published rules governing the use of drones, allowing people to operate the smallest drones in daylight without a permit but with safety rules.

Mexico's Transportation Department has established three classes of drones according to size.

The smallest weigh 2 kilograms (4.4 pounds) or less. They won't require a permit, but like all other drones must stay 9.2 kilometers (5.72 miles) away from airports and 900 meters (985 yards) from helicopter pads.

Medium-size drones are defined as weighing between 2 kilograms and 25 kilograms (55 pounds), and require a permit unless they're operated on the grounds of a flight club.

Under rules published Wednesday, large drones over 25 kilograms will require an operating permit and the operator must also have a pilot's license.