PANS-AIM AD 2.19/AD 3.18 "Radio navigation and landing aids" conatins the following a publication requirement regarding the Navaid Coverage
Facility coverage shall be indicated in the remarks column.
The diagram below shows the AIXM classes, including the relevant data types and code lists, needed to encode that information.
Coding Rules for Facility Coverage
TBD
Coding Examples
See topic Navaid [NAV]