There have been 40 incidents involving drones in German airspace this year, air traffic controllers said on Sunday.
In all of 2015, there were only 14 cases where the unmanned flying objects came perilously close to aeroplanes.
There were no incidents involving emergency helicopters, the air traffic agency said.
The Sunday edition of the Frankfurter Allgemeine Zeitung newspaper reported that the Transport Ministry plans to introduce mandatory identification for drones weighing more than 500 grams and impose a ban on their flying higher than 100 metres off the ground.
Air traffic control would like the owners of drones to have to register, as is the case in the United States, and also to take a test for a licence that would have to be renewed every three years.