4.1 | Measures for ground risks
4.2 | Operational procedures
In the open category, subcategory A2 when operating with an unmanned aircraft of more than 250 grams in the vicinity of people, the pilot must keep it at a distance at least equal to the altitude at which it flies = 1:1 rule. However, the following minimum horizontal distances must be observed:
Example 1:
Example 2: