Normally many Access Points will show in Pilot, occasionally they will disappear. The Automation Engine services or server will need to be restarted in order for the Access Points to show in Pilot.
In the Server Admin tool, go to Server Checks > Databases. The status should be green.
Resolve communication / network issues between Automation Engine Server and the Database Server that contains the BSJobsDatabase. This database contains the Access Points data. If the communication is bad between these servers you may experience this and other issues.