Scott Moore wrote:
wrote On 12/08/05 16:00,:


Because terrain changes very slowly, I suspect these three terrain files
would be good enough for a very, very long time.


And then, they build that nice new 2,000 ft radio tower....

That's what the 56-day obstacle file is for. Different beast than the
terrain database. Outside the U.S. you better fly IFR or have a current
topo aero chart.