In some cases, entire preplan sites are off-limits to Google Maps
Private roads
Industrial Sites
Military Sites
Remote sites
When the Street View is not fully covered, the map can look as follows (when you drag the street view icon over the map the covered areas light up with light blue notation):
Here you can see the lack of street view on the airfield side of the island:
In a Preplan -- or any element -- you will find an option in the address are of the edit form:
This will allow the Drive-to directions to use the GPS coordinates:
