GMGuidance material
GM1 to AMC1 ATS.TR.155(e) ATS surveillance services
INFORMATION REGARDING TRAFFIC ON A CONFLICTING PATH With reference to point (a)(1) of AMC1 ATS.TR.155(e): In cases where using the terms of the 12-hour clock is not practicable, like when the aircraft is turning, the direction of the unknown aircraft may be given by compass points, e.g. northwest, south, etc.
GM — Regulation (EU) 2017/373 · ED Decision 2020/008/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025