Annunciation Requirements for KLN89B/KX155/209A

You will need a multi pole relay and the required annunciators for IFR
approach.
Usually a 165 and a GPS drive one indicator. If you have a 155 you need
a converter.
Michelle

N523RV wrote:

I have acquired a KX-155, KLN-89B and a 209A indicator. The 209A has a
built-in relay to switch between the GPS and NAV. I'm trying to figure
out what 'annunciation' is _required_ for this setup. The MD41
annunciator is about $950. I can get the control head only for about
$700.

The real question is do I have to have this? $700 seems like a lot for
a couple of switches and some lights! Can I not have a simple toggle
switch on the panel to switch between NAV/GPS and let the 89B do all
the annunciation?

Matthew

Not so. The KI-209A contains its own switching relays and converter,
and can be driven by both the KLN-89B and the KX-155. The annunicator
can be made from a couple of push buttons and a few lights, and ought
to run a lot less than $950. Your FSDO will be able to comment whether
lights are needed at all.

I have an 89/B in my plane and had it installed a few years ago. It was
a requirement for IFR certification to have an annunicator installed in
the visual scan. The 89/B did not accomplish that or in the unit. Rules
may have changed.


Regards, Ross
C-172F 180HP
KSWI


Mike Granby wrote:
Not so. The KI-209A contains its own switching relays and converter,
and can be driven by both the KLN-89B and the KX-155. The annunicator
can be made from a couple of push buttons and a few lights, and ought
to run a lot less than $950. Your FSDO will be able to comment whether
lights are needed at all.