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Same here, but I didn't feel like saying anything...
Somehow I missed this post before, looks like this was going to be a complete explanation for how the LNAV/VNAV DA could end up lower, and even...
Downloading it now - thanks. Yeah, I thought the .50 might be way obsolete...
I've been digging through a number of internet sources, including Order 8260.50 (FAA's LPV Approach Procedure Construction Criteria, but might be...
The steeper climb gradient on the missed is, of course, to be expected since the RNAV Z gets you so much lower and closer in. And the chart note,...
Very interesting. Two RNAV approaches along the exact same approach course with the same glide path and TCH, but with vastly different minimums....
Thanks. Now, does anyone know why the LNAV/VNAV DA is significantly lower than the LPV DA on the RNAV 16 X at KRNO? Inquiring minds and all... ;)
In the case of the RNAV 16L X at KRNO (in the thread linked to by @RussR), I think it's more than an academic exercise: if I was flying that...
Thanks @RussR . Still seems somewhat mysterious. One thing I note in this case, though, is that the difference is only 12 feet and thus makes no...
Now I'm not so sure. This article from IFR magazine discusses the differences between the LNAV OCS and the LNAV/VNAV OCS and the different ways...
On an approach with both LPV and LNAV/VNAV sets of minimums, why might the LNAV/VNAV DA be lower than the LPV DA? Ron says he is aware of such an...
This makes perfect sense, thank you again.
Thank you. I believe this settles the question. Given (as you confirmed) that the path is the same for LPV and LNAV/VNAV under WAAS, there is no...
Since you have mentioned the name, I will simply confirm your assumption. :) Thank you, that answers my question as regards safety... ... and...
I know - but it is still something that could make the difference between getting in and not. And I'm interested in the principle here as well -...
So you cannot follow the LPV GS to the LNAV/VNAV DA? Why not?
Well now, again, that's what I'm not sure of. I *thought* the two glidepaths had the same angle but different vertical thicknesses - the L/V being...
So far the answers all echo my own thinking about this... but I have a very firm answer to the contrary from someone who claims to be very...
Title says it all. The approach in question is the RNAV 17 at KMPV. The approach has an LPV DA, an LNAV/VNAV DA that is about 100 feet higher, and...
So is Vermont. I'm over 65, but do not expect to get my first shot until MAYBE April.
