According to the naco link below, these are populated areas. I know I always thought it was the outline of lights also,
but I cannot find that defined anywhere...

Those census facts are interesting - scary for my area, Kalamazoo, MI, but still interesting...



"Jim Macklin" wrote in message news:3Fnyg.84443$ZW3.22903@dukeread04...
: Actually, the yellow area is a representation of the way a
: city looks at night, the pattern of the lights.
:
: see http://quickfacts.census.gov/qfd/states/20/20071.html
: and then browse to find useful info. For instance Greeley
: Co. Kansas has 2 people per square mile.
:
:
:
: ".Blueskies." wrote in
: message
: . com...
: | The sectional charts show 'populated' areas in yellow. If
: it is not yellow, then is it 'unpopulated'?
: |
: |
: http://www.naco.faa.gov/content/naco...FR_Symbols.pdf
: |
: |
: |
: | "Peter Duniho" wrote in
: message ...
: | : "Jim Macklin"
: wrote in message
: | : news:bAeyg.84402$ZW3.76333@dukeread04...
: | : Yes, I read your words and my opinion is that your
: FSDO is
: | : insane.
: | :
: | : Perhaps they are. I have no facts to suggest otherwise.
: | :
: | : However, be that as it may, they are interpreting the
: FARs, and the NTSB has
: | : found that where the FARs are vague, the FAA's
: interpretation is the one
: | : that is used, even if that interpretation is contrary to
: "common definition"
: | : (and frankly, the actual "common definition" of
: "sparsely" is even more
: | : vague than any official definition...can you tell me
: exactly how "widely
: | : spaced" the intervals between population need to be in
: order to qualify as
: | : "sparsely" under the common definition of "Occurring,
: growing, or settled at
: | : widely spaced intervals"?).
: | :
: |
: |
:
: