Peter Duniho wrote:

IÂ*would
not consider it reasonable to restrict the pilot from flying through that
area of reduced visibility, given that the pilot can continuously maintain
3 miles of visibility, in spite of being within an area of higher density
reduction of visibility.

That's a good point. I *was* thinking along the lines of a visual density,
but that's not what the FARs actually discuss.

TheÂ*actualÂ*minimumÂ*isÂ*1Â*mile,Â*underÂ*theÂ*ri ghtÂ*
conditions.

Heh I've *heard* of class G, but around here it's mostly filled with
things (ie. trees, buildings, grass, the occasional airport, etc.).

- Andrew