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Old January 3rd 07, 05:04 PM posted to rec.aviation.ifr
Robert M. Gary
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Posts: 2,767
Default GNS 430W vs GNS 480


Sam Spade wrote:
Peter R. wrote:

"Robert M. Gary" wrote:


Does the 430 WAAS unit fly the entry procedure?



If the sim for the GNS430W is to be believed, yes it will, assuming of
course it is coupled with an appropriate AP.


With a roll steering autopilot it will.


That's a motivation to upgrade the G1000 to WAAS. However, I just read
somewhere that the rumor is that the WAAS G1000 systems will not drive
VNAV to the KAP140. So you won't be able to fly fully coupled VNAV
approachs with the KAP140 (even though you can fly a fully coupled ILS
with it). Not sure what the techical limitation is but Garmin's
solution is to upgrade to their Garmin autopilot (which I don't believe
is certified for many applications yet). However, that will fix the
issue of having to set the barometer 3 times (G1000, KAP140, standby
alttitude) since the Garmin autopilot will take the baro setting from
the G1000 directly.


-Robert