This site is being deprecated.
Please see the official X‑Plane Support page for help.
FYI, if you find airports that are not in X-Plane, you can file a New Airport Code Request to have them added on the Airport Scenery Gateway. Once someone creates scenery for them, they'll be added to X-Plane in an update.
You can file issues with NAVAIDs in the same place, under the NAVAID tab.
This site is no longer being actively maintained.