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#1
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Broken Magenta Line on Sectional "National Security"
About 35 miles southwest of KLSC, Salt Lake City Intl (just beyond the
Mode C veil) there is a box marked by a thick broken magenta line on the Salt Lake sectional. Nearby, there is a Notice: "For National Security reasons, pilots are requested to avoid flight at/below 4,000' in this area." The area is around one of the chemical weapons stockpiles and incinerator facilities in the vast Dugway Proving Ground area. Is this broken magenta line used anywhere else? Does it have an official meaning? If National Security is the issue, why isn't the area marked as Restricted instead? Perhaps it should say "For reasons of your health and not breathing toxic chemical weapon waste smoke, you might want to fly elsewhere? |
#2
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Broken Magenta Line on Sectional "National Security"
Tim writes:
About 35 miles southwest of KLSC, Salt Lake City Intl (just beyond the Mode C veil) there is a box marked by a thick broken magenta line on the Salt Lake sectional. Nearby, there is a Notice: "For National Security reasons, pilots are requested to avoid flight at/below 4,000' in this area." That's the Tooele Army Depot, where chemical and biological weapons are stored and destroyed. The area is around one of the chemical weapons stockpiles and incinerator facilities in the vast Dugway Proving Ground area. Yes, see above. Is this broken magenta line used anywhere else? Does it have an official meaning? Yes, it's a National Security Area (NSA). Pilots are requested to voluntarily avoid NSAs. Many of them replace TFRs, and they are less restrictive than TFRs. However, NSAs can be instantly transformed into prohibited areas by NOTAM, so beware. There are lots of other NSAs. There's a small area like that just southwest of R-6701 in Seattle for example (between the "wings" of the Chinook MOA), and another one east of that that's so small it has only one little magenta block. There's another one just east of Livermore, California. I think several national mints have blocks like this, too. There's one just east of the Pueblo VOR southwest of Denver that might be one of these. If National Security is the issue, why isn't the area marked as Restricted instead? Perhaps it should say "For reasons of your health and not breathing toxic chemical weapon waste smoke, you might want to fly elsewhere? NSAs are voluntary restrictions that can be made official at a moment's notice. Apparently the idea is to restrict them less and make them look more "friendly" while still retaining the option of making them fully prohibited almost without notice. -- Transpose mxsmanic and gmail to reach me by e-mail. |
#3
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Broken Magenta Line on Sectional "National Security"
Mxsmanic wrote: Tim writes: About 35 miles southwest of KLSC, Salt Lake City Intl (just beyond the Mode C veil) there is a box marked by a thick broken magenta line on the Salt Lake sectional. Nearby, there is a Notice: "For National Security reasons, pilots are requested to avoid flight at/below 4,000' in this area." That's the Tooele Army Depot, where chemical and biological weapons are stored and destroyed. The area is around one of the chemical weapons stockpiles and incinerator facilities in the vast Dugway Proving Ground area. Yes, see above. Is this broken magenta line used anywhere else? Does it have an official meaning? Yes, it's a National Security Area (NSA). Pilots are requested to voluntarily avoid NSAs. Many of them replace TFRs, and they are less restrictive than TFRs. However, NSAs can be instantly transformed into prohibited areas by NOTAM, so beware. No, they can't. Creating a probited area requires administrative action and publishing on the federal register, which takes time. Of course temp. flight restirctions can be created at any time. |
#4
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Broken Magenta Line on Sectional "National Security"
The area NW of PUB is the chemical dump. Requested altitude is 3000 AGL
unless you are landing. Which is silly. If you're landing, it's irrelevant. If you're not landing, you're gonna be LTOS higher than 3000 AGL around there. |
#5
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Broken Magenta Line on Sectional "National Security"
Tim writes:
No, they can't. Creating a probited area requires administrative action and publishing on the federal register, which takes time. Flight through NSAs can be instantly prohibited by NOTAM. -- Transpose mxsmanic and gmail to reach me by e-mail. |
#6
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Broken Magenta Line on Sectional "National Security"
On 2007-04-07 18:02:08 -0700, Tim said:
The area is around one of the chemical weapons stockpiles and incinerator facilities in the vast Dugway Proving Ground area. Is this broken magenta line used anywhere else? Does it have an official meaning? If National Security is the issue, why isn't the area marked as Restricted instead? Perhaps it should say "For reasons of your health and not breathing toxic chemical weapon waste smoke, you might want to fly elsewhere? There are a few of these around. You see them around Navy bases, for example. If pilots are generally avoiding the area it is easier to monitor the few planes that do enter it. They did not make it a restricted area because they could not justify actually closing the area. It can be closed by NOTAM if security threat is high or if too many aircraft are entering the area. Despite the phrasing that it is a 'request,' the Navy in Bremerton has threatened to use lethal force against any aircraft that enters the National Security Areas in Puget Sound. These knotheads don't seem to understand that shooting down a family of four or dropping one of their missiles on a school might so outrage the community that the base would be closed. If you do want to fly through an NSA without worry you can call the controlling authority and get permission. They are often less nervous if they are expecting you. -- Waddling Eagle World Famous Flight Instructor |
#7
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Broken Magenta Line on Sectional "National Security"
Mxsmanic wrote:
That's the Tooele Army Depot, where chemical and biological weapons are stored and destroyed. Actually, it's now the Tooele Disposal Facility. The stockpile is the Deseret Chemical Depot. They are in fact colocated with the Dugway Proving Ground. The major difference is in chain of command. The Proving Ground is run by TECOM. The disposal facility is run by the Army Chemical Materials Agency. NSAs are voluntary restrictions that can be made official at a moment's notice. Apparently the idea is to restrict them less and make them look more "friendly" while still retaining the option of making them fully prohibited almost without notice. The major difference is that R areas are by and large established not for security but because some activity within them is incompatible with air traffic. The NSA's are there because they are afraid that an airplane unintentionally crashing would pose additional due to what's on the ground. |
#8
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Broken Magenta Line on Sectional "National Security"
Mxsmanic wrote: Tim writes: No, they can't. Creating a probited area requires administrative action and publishing on the federal register, which takes time. Flight through NSAs can be instantly prohibited by NOTAM. Thanks for the update. However, a NOTAM does NOT and cannot create a prohibited area, at best it creates a temporary flight restriction. |
#9
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Broken Magenta Line on Sectional "National Security"
Tim writes:
Thanks for the update. However, a NOTAM does NOT and cannot create a prohibited area, at best it creates a temporary flight restriction. Yes, I know, thank you. -- Transpose mxsmanic and gmail to reach me by e-mail. |
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