Gary Drescher wrote:

The rule of thumb I use is: in the event of engine failure, is the area
below me such that I could land there without coming dangerously close to
any people, vehicles, or buildings? If not, then it's congested.

Sounds like a good idea to me -- I would bet that's the original idea behind the
regulation.

George Patterson
If a man gets into a fight 3,000 miles away from home, he *had* to have
been looking for it.