Drone knowledge
What does the 1:1 rule mean?
The 1:1 rule describes that the operation takes place at a flight altitude equal to or less than the lateral / horizontal distance between the UAS and uninvolved persons . The safety of bystanders has the highest priority.
The 1:1 rule also plays a role in connection with federal trunk roads, federal waterways and railway facilities in accordance with §21h LuftVO (geo-zones). The distance of 100 metres to these can be reduced to 10 metres if 1:1 is observed. This means that the flight altitude is limited to 15 m when operating at a lateral distance of 15 m from the main road. At a lateral distance of 30 m, the flight altitude is limited to 30 m, etc.
Further information, in particular on the distance regulations within the "open" category, can be found here.
(Status 06.02.2024)