Northstar Model 650 Combo Fishfinder/Plotter The Northstar 650 offers the same multifunction features as the larger 660 in a compact 5-inch display. The 650 is a 5" combination color chartplotter and fishfinder. It offers 320x234 screen resolution with 3000 waypoints, 25 routes and 5 track logs. The unit is gasoline, and SmartCraft compatible, and is C-Map NT and NT MAX compatible.