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Larry Dighera wrote:
You'd be surprised at how little the distance increases on a VOR route compared to a direct route. ================================================ You're probably right about the distance. But doesn't everbody flying TO/FROM VOR stations cause air traffic problems like near misses (collisions)? Or being aware of this do you just watch the skies very carefully near VOR stations? Or are there altitude guidelines for each radial? |
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![]() "Bruce W.1" wrote: But doesn't everbody flying TO/FROM VOR stations cause air traffic problems like near misses (collisions)? Or being aware of this do you just watch the skies very carefully near VOR stations? Or are there altitude guidelines for each radial? Sort of. There are rules defining what the usable altitudes are based on magnetic course being flown. Opposite direction traffic should be at least 500' apart, vertically. This offers no protection, though, for aircraft flying in the same direction or on converging courses that are on the same side of the compass. http://www.faa.gov/ATPUBS/AIM/Chap3/aim0301.html#3-1-5 defines VFR cruising altitudes, which are 1,000' apart. IFR altitudes are 1,000' apart, too, but are 500' above or below VFR altitudes. Above FL290 the IFR cruising altitudes are 2,000' apart. -- Dan C-172RG at BFM |
#3
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On Mon, 04 Apr 2005 18:58:38 GMT, "Bruce W.1" wrote:
You're probably right about the distance. But doesn't everbody flying TO/FROM VOR stations cause air traffic problems like near misses (collisions)? Or being aware of this do you just watch the skies very carefully near VOR stations? Or are there altitude guidelines for each radial? Traffic may be heavier over VORs, and the closer your heading is to due North or South (where the hemisphere[1] rule toggles, the more alert you should be. That said, I've never actually noticed a particularly heavy increase in traffic over VORs. Don [1] Why hemiSPHERE? Semi-circle I could see, but . . . . |
#4
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On Mon, 04 Apr 2005 18:58:38 GMT, "Bruce W.1" wrote in
: : Larry Dighera wrote: You'd be surprised at how little the distance increases on a VOR route compared to a direct route. =============================================== = You're probably right about the distance. But doesn't everbody flying TO/FROM VOR stations cause air traffic problems like near misses (collisions)? Congested airways near VORs can be an issue. But the designers of the VOR airway system had enough insight to separate east and west bound VFR traffic by 1,000' vertically, and IFR traffic from VFR traffic by 500'. But airways, being only 4 nautical miles wide either side of centerline can be congested over VORs. Or being aware of this do you just watch the skies very carefully near VOR stations? Yes. That and ATC Radar Advisory Service are the principal methods used to separate VFR flights on VFR airways. Or are there altitude guidelines for each radial? Nope. Have you spent any time reviewing this: http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgFAR.nsf/CurrentFARPart!OpenView |
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