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Old April 6th 07, 08:55 PM posted to rec.aviation.ifr
Bill
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Posts: 45
Default King autopilot and GPS approaches

On Apr 5, 8:51 pm, "Viperdoc" wrote:
My understanding is that at least the KAP 200 and 225 will not track a
glideslope (either from an LNAV+V, an LPV, or an ILS) approach when
intercepting from above, which is also my experience.

I also observed that adjusting the altitude with the autopilot up/down
switch will negate the glideslope intercept even from below while in
approach mode. Have you seen this behavior as well?


The 200 should intercept from above if in attitude mode. Does not
know what glideslope is in use.

You can demonstrate this: but it takes a whale of a descent to set it
up.
You need to pass thru the gs center to make it couple. It's a bad
idea
in any event.

The 225 will do the same thing on ILS but not sure about GPS
approaches.

Bill Hale