# Commission Implementing Regulation (EU) 2020/639 of 12 May 2020 amending Implementing Regulation (EU) 2019/947 as regards standard scenarios for operations executed in or beyond the visual line of sight (Text with EEA relevance), Division (2)

Extent: E+W+S+N.I.

Where the UAS operation involves the flight of the unmanned aircraft starting from a natural elevation in the terrain or over terrain with natural elevations, the unmanned aircraft shall be maintained within 120 metres from the closest point of the surface of the earth. The measurement of distances shall be adapted accordingly to the geographical characteristics of the terrain, such as plains, hills, mountains.

---
Source: https://www.legislation.gov.uk/eur/2020/639/annex/part/A/division/1/division/2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2020-639/annex/part-A/division-1/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.