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PANS-AIM requires the change over point (COP) to be encoded in case the path of the route segment(s) is a VOR radial. This is applicable only for conventional routes, i.e. for which appear for example in the AIP sections ENR 3.1 Lower ATS Routes, ENR 3.2 Upper ATS Routes and ENR 3.4 Helicopter Conventional navigation routes.
PANS-AIM defines the COP as:
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