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Old December 21st 06, 02:11 PM posted to rec.aviation.owning
Kevin Clarke
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Posts: 147
Default WAAS upgrade info for Garmin 430

Ron Natalie wrote:
Kevin Clarke wrote:
Is there any value to WAAS yet, beyond the "Gee Whiz" factor? Can I do
precision approaches with it yet?

Gives you a couple of features:


Thanks Ron. Now you made me go look and learn something. My CFII never
told me about that. I found this web link which has the LNAV approaches
in the US.

http://www.aopa.org/whatsnew/air_traffic/waas-lpv.pdf

The RNAV RWY 5 approach at Groton, CT, (GON) is below 300'.

KC


1. There are LPV approaches which have vertical guidance and DH's
a bit higher than ILS's (I think the lowest I've seen is 300').

2. Removes the condition to pick an alternate that has a non-GPS
approach you are equipped to fly.

3. The TSO mandates some nice features such as the autosequencing
of the course reversal and missed approach that the 430/530 was
previously missing.