IFD 5 Series & IFD 4 Series Touch Screen GPS/NAV/COM - Using the KI 209 (not 209A) indicator

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Using the KI 209 (not 209A) indicator

Printed From: Avidyne
Category: Avidyne General
Forum Name: IFD 5 Series & IFD 4 Series Touch Screen GPS/NAV/COM
Forum Description: Topics on Avidyne's IFD 5 Series and IFD 4 Series Touch Screen GPS/NAV/COM
URL: http://forums.avidyne.com/forum_posts.asp?TID=845
Printed Date: 20 May 2024 at 7:49pm
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com

Topic: Using the KI 209 (not 209A) indicator

Posted By: frank27
Subject: Using the KI 209 (not 209A) indicator
Date Posted: 15 Oct 2015 at 7:34pm

Is the plain KI 209 acceptable for use with the IFD 540?

It is currently being driven by a 14v KX-155 (not 155A) with glideslope.

It's shown in the list of interfaces, but an avionics shop questions whether it can actually be configured that way. Here's the direct quote:

"I think you may need to install a different CDI with the IFD 540; I don’t think the KI 209 will meet the STC (it does not have a resolver output, and will only connect to the nav side of the IFD 540)."

Thoughts? I'd prefer not to have to budget for a new indicator, since this project is pushing the limits of the budget already.

Replies:

Posted By: Paul
Date Posted: 16 Oct 2015 at 12:15am

The KI 209 won't do what you need. A KI 209A will and a used one is probably the least expensive choice.

Some people prefer other indicators but if you are used to a KI 209 the 209A will look and feel the same.

If you are going to keep the KX 155 as a NAV 2 radio then you might want to keep your KI 209 as well. Otherwise you could sell it to help fund the project.

We have a KI 209A connected to the IFD 540 and a KI 209 connected to a KX 155A (one of the original radios) in our Cessna 172. It is a fine combination.