Maximum Height of 120 Meters from Terrain

Verified from official sources
GM1 UAS.OPEN.010GM1 UAS.OPEN.010Version 1Effective -Verified 24 August 2026

In plain language

You must keep your drone within 120 meters (400 feet) of the ground. This height limit follows the contours of the terrain.

Requirement as structured

EASA guidance states that the remote pilot should keep the unmanned aircraft at a distance less than 120 m (400 ft) from the terrain, adjusting for topography.

Original regulatory text

The remote pilot must ensure that he or she keeps the unmanned aircraft (UA) at a distance less than 120 m (400 ft) from the terrain, and the picture below shows how the maximum height that the UA may reach changes according to the topography of the terrain.

Applies when

country
European Union / EASA
operation
EU UAS operation
regulatory category
Open