hellohow can i create user defined waypoints using known lat long for the gps in fs9.which file would in need to open to name,create and define such points .thank you very muchkunal

Download and install the FS2004_BGLCOMP_SDK.exe. Read the material on Waypoints. Some waypoints are associated with the The first Waypoint is probably the type you would add since you won't have a route attached to it.W. Sieffert