Somebody spent a few hours programming the FMS with lat-longs as few, if any, of the waypoints would be in the directory, likely offline. Then there's a long p

Somebody spent a few hours programming the FMS with lat-longs as few, if any, of the waypoints would be in the directory, likely offline. Then there's a long phone call to, likely Seattle, Center to get the flight route accepted into the system. There's a possibility the ATC computers couldn't take all the way points, in which case they would need an airspace reservation where they could do the pattern.