IFD 5 Series & IFD 4 Series Touch Screen GPS/NAV/COM

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VNAV on my SR22 G2

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=2759
Printed Date: 24 Jun 2025 at 11:19pm
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com

Topic: VNAV on my SR22 G2

Posted By: _phm_
Subject: VNAV on my SR22 G2
Date Posted: 24 Jun 2025 at 1:21pm

Hi there - I own an SR22 G2 equipped with

* IFD440

* IFD550

* Stec 55X autopilot

EX5000 PFD and MFD (avidyne)

From what I have learned, this stack does not allow me to use the IFD's VNAV feature.

What would be the minimum upgrade that I could to in order to have VNAV?