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#11
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"Roy Smith" wrote in message = ... =20 Oddly enough, the CNX-80 only allows you integral mile offsets. = AFAICT,=20 there's no way to do a 1/2 mile offset. =20 Do you HAVE to keep the needle centered? ---JRC--- |
#12
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Tarver Engineering wrote: The big boys with their INS have it, why shouldn't you? And, it was never used, either. |
#13
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"John R. Copeland" wrote in
: Do you HAVE to keep the needle centered? To fly an offset Offshore Standard Approach Procedure, yes. -- Regards, Stan |
#14
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"Stan Gosnell" wrote in message = ... "John R. Copeland" wrote in :=20 =20 Do you HAVE to keep the needle centered? =20 To fly an offset Offshore Standard Approach Procedure, yes. =20 --=20 Regards, =20 Stan =20 Naturally, you are right about approach procedures, Stan. (And that's exactly what you posted earlier about, too.) I only had enroute legs in mind for using pointer offsets. ---JRC--- |
#15
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In article , Roy Smith
wrote: Yesterday I played with the parallel track function in the CNX-80 for the first time. I was introducing the CNX-80 to a student and I had planned a VFR flight via airways. My student (rightfully) questioned the wisdom of an over-water segment, so we decided to fly that segment on a 5-mile offset parallel track (it got us over land and was a good excuse to explore a software function I'd never used before). But, here's my question. Why is it in the box to begin with? Other than the gee-wiz marketing value, is there any real practical reason for it existing? from a co-worker involved in this kind of stuff: Offset tracks allow aircraft to pass en route, avoid bad weather, and increase airspace capacity by avoiding busy intersections. -- Bob Noel |
#16
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Bob Noel wrote: from a co-worker involved in this kind of stuff: Offset tracks allow aircraft to pass en route, avoid bad weather, and increase airspace capacity by avoiding busy intersections. Could you provide examples of where this is used? |
#17
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#18
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Bob Noel wrote: Not much use yet, other than oceanic routes, I guess. But the theory is that it will be used in RNP airspace. -- Bob Noel That is a major disconnect between avionics engineers who dream of selling more and more equipment and of an ATC system driven by radar separation and navigation. And, the radar isn't getting any better with some limited terminal exceptions. |
#19
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#20
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Bob Noel wrote: The move to RNP is, in part, driven by the desire for increased airspace capacity, including airspace with limited radar coverage. No doubt about its usefulness in areas with limited, or no, radar coverage. But, I doubt that offset tracks would do much good there. Where the terrain environment would permit parallel tracks, the publication of parallel tracks as separate database routes would probably be much safer than issuing parallel tracks in a non-radar environment. |
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