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#1
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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$ZW3.76333@dukeread04... : Yes, I read your words and my opinion is that your FSDO is : insane. : : Perhaps they are. I have no facts to suggest otherwise. : : However, be that as it may, they are interpreting the FARs, and the NTSB has : found that where the FARs are vague, the FAA's interpretation is the one : that is used, even if that interpretation is contrary to "common definition" : (and frankly, the actual "common definition" of "sparsely" is even more : vague than any official definition...can you tell me exactly how "widely : spaced" the intervals between population need to be in order to qualify as : "sparsely" under the common definition of "Occurring, growing, or settled at : widely spaced intervals"?). : |
#2
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Actually, the yellow area is a representation of the way a
city looks at night, the pattern of the lights. see http://quickfacts.census.gov/qfd/states/20/20071.html and then browse to find useful info. For instance Greeley Co. Kansas has 2 people per square mile. ".Blueskies." wrote in message . com... | The sectional charts show 'populated' areas in yellow. If it is not yellow, then is it 'unpopulated'? | | http://www.naco.faa.gov/content/naco...FR_Symbols.pdf | | | | "Peter Duniho" wrote in message ... | : "Jim Macklin" wrote in message | : news:bAeyg.84402$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"?). | : | | |
#3
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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"?). : | : : | : | : : |
#4
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The first thing you'll notice is the big yellow blot that is
Houston. Contrary to popular belief among pilots, the yellow does NOT signify the boundaries of the city. After all, what good would a city boundary do for a pilot in the air? The yellow indicates the approximate light pattern at night of populated area from the air, which is much more useful information. If you're flying at night, these patterns may be the only thing you can see from, say, 8,000 feet in the air, so looking at a recognizable pattern may be a big help in determining where you are. This was just a page I found on the Internet. I know that somewhere I have a government handbook, perhaps the USAF Navigators handbook, that gave the answer. ".Blueskies." wrote in message y.net... | 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"?). | : | : | : | | : | | : | : | | |
#5
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".Blueskies." wrote in message
y.net... 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... They are not defined to be "well lit areas", but they aren't an official depiction of "non-sparsely populated areas", and as a matter of mapping expedience, I don't doubt that the area is based upon the general nighttime view of a region. The most important thing to be aware of is that the VFR charts are *not* useful for determining where you are with respect to 91.119. Pete |
#6
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![]() "Peter Duniho" wrote in message ... : ".Blueskies." wrote in message : y.net... : 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... : : They are not defined to be "well lit areas", but they aren't an official : depiction of "non-sparsely populated areas", and as a matter of mapping : expedience, I don't doubt that the area is based upon the general nighttime : view of a region. : : The most important thing to be aware of is that the VFR charts are *not* : useful for determining where you are with respect to 91.119. : : Pete : : Do you have any references for that? The only thing I have been able to find is the NACO defined 'populated area' for the yellow areas.... http://avn.faa.gov/index.asp?xml=nac...ary/aero_guide http://avn.faa.gov/index.asp?xml=naco/online/aero_guide .... |
#7
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".Blueskies." wrote in message
. com... Do you have any references for that? Any references for what? The only thing I have been able to find is the NACO defined 'populated area' for the yellow areas.... That is correct. |
#8
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Recently, Jim Macklin posted:
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. Well, if the county is 1,000 square miles, and all 500 people reside in a two block neighborhood, then some areas will be densely populated! ;-) Neil |
#9
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and the rest is not populated at all.
"Neil Gould" wrote in message y.net... | Recently, Jim Macklin posted: | | 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. | | Well, if the county is 1,000 square miles, and all 500 people reside in a | two block neighborhood, then some areas will be densely populated! ;-) | | Neil | | | | |
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