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#41
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When to descend
Ron Rosenfeld wrote:
On Fri, 12 Oct 2007 01:13:00 -0700, Bee wrote: They also claim that the TAA area minimum altitudes replace MSAs for these IAPs. That is incorrect. They make MSAs unnecessay but they do not replace them. MSAs are not IFR altitudes in this country. Although the TAA minimum altitude, and MSA have different definitions, I never had a problem with the concept of them being the same value when there is a TAA published. Ron (EPM) (N5843Q, Mooney M20E) (CP, ASEL, ASES, IA) Well, I don't see how they can be the same value when the MSAs don't exist. MSAs provide 1,000 feet of obstacle clearance everywhere. TAAs provide 2,000 feet in DMAs. But, the greater concern is someone tortures the comparision to conclude that MSAs, where charted, must now be IFR altitudes. |
#42
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When to descend
On Fri, 12 Oct 2007 08:02:15 -0700, Bee wrote:
Well, I don't see how they can be the same value when the MSAs don't exist. MSAs provide 1,000 feet of obstacle clearance everywhere. TAAs provide 2,000 feet in DMAs. By definition, MSAs provide **AT LEAST** 1,000 of obstacle clearance. So 2,000' would be included. But, the greater concern is someone tortures the comparision to conclude that MSAs, where charted, must now be IFR altitudes. That was always a concern in the US, even before the establishment of TAAs. Ron (EPM) (N5843Q, Mooney M20E) (CP, ASEL, ASES, IA) |
#43
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When to descend
"Dave Butler" wrote in message ... Bee wrote: Anyway, I certainly wouldn't fault the OP for raising the question here. It provoked an interesting discussion and I learned from it. Dave I agree completely. Very good discussion. Thanks for the original question Dan. John Severyn |
#44
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When to descend
"J. Severyn" wrote: Bee wrote: Anyway, I certainly wouldn't fault the OP for raising the question here. It provoked an interesting discussion and I learned from it. Dave I agree completely. Very good discussion. Thanks for the original question Dan. ĄDe nada! (Full disclosu I took the question from a thread in the Cessna Pilots Ass'n forums) -- Dan T-182T at BFM |
#45
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When to descend
Ron Rosenfeld wrote:
On Fri, 12 Oct 2007 08:02:15 -0700, Bee wrote: Well, I don't see how they can be the same value when the MSAs don't exist. MSAs provide 1,000 feet of obstacle clearance everywhere. TAAs provide 2,000 feet in DMAs. By definition, MSAs provide **AT LEAST** 1,000 of obstacle clearance. So 2,000' would be included. But, the greater concern is someone tortures the comparision to conclude that MSAs, where charted, must now be IFR altitudes. That was always a concern in the US, even before the establishment of TAAs. Ron (EPM) (N5843Q, Mooney M20E) (CP, ASEL, ASES, IA) For those who didn't read the AIM much, no doubt about it. |
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