Hi @geloxo,
For missing airports, first check to see if they are already in this list:
https://forums.flightsimulator.com/t/missing-airports-sent-to-zendesk/165814
If they are not listed, file a separate Zendesk ticket for each missing airport. Then post in the above topic.
If the airport is in the list, you do not need to do anything as it’s already been noted.