GNS430/530 Part III - The One About the FPL Button - YouTube
To Delete A User Waypoint From The User Waypoint List; To Delete All User Waypoints From Memory - Garmin GNS 430 Pilot's Manual & Reference [Page 140] | ManualsLib
How to Cancel then Delete an Active Waypoint (Garmin 530 or 430) - YouTube
GNS530 manually adding waypoint problem - SimForums.com Discussion