GM1 AIS.TR.350(d) Terrain and obstacle data -- General requirements

• ED Decision 2020/008/R found in: ATM/ANS Provision of Services (2017/373) (Feb 2023)

GM1 AIS.TR.350(d) Terrain and obstacle data — General requirements ED Decision 2020/008/R AREA 4 Where the terrain at a distance greater than 900 m (3 000 ft) from the runway threshold is mountainous or otherwise significant, the length of Area 4 should be extended to a distance not exceeding 2 000 m (6 500 ft) from the runway threshold. GM1 AIS.TR.350(d) Terrain and obstacle data — General requirements ED Decision 2020/008/R AREA 4 Where the terrain at a distance greater than 900 m (3 000 ft) from the runway threshold is mountainous or otherwise significant, the length of Area 4 should be extended to a distance not exceeding 2 000 m (6 500 ft) from the runway threshold.