On Thu, 22 Nov 2007 19:45:50 -0600, "William Bruce"
wrote:

I've just bought a TomTom GPS for my car with preloaded road maps of the US
and Canada. My question: Will it work in my 172 at 3,000 to 5,000 feet,
showing the roads below, etc?


My Garmin Nuvi does. On the "stats" page, it shows my maximum speed of
about 210 mph!
--ron