"mindenpilot" wrote:
Do you think it is safe to say that an airport that has an ILS-DME approach
also has a GPS one?

GPS approaches are getting more and more common. My guess is it would be
pretty rare to find any airport with an ILS that didn't also have some sort
of GPS approach. If you have some specific airports you plan on visiting a
lot, check out specifically what approaches they have.

You might even discover that the DME fixes on the ILS have GPS waypoints
superimposed. For example, the ILS or LOC/DME 17 into (MHT
http://204.108.4.16/d-tpp/0503/00246ILD17.PDF)