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

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VNAV on IFD

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=2730
Printed Date: 12 Mar 2025 at 5:28am
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com

Topic: VNAV on IFD

Posted By: _phm_
Subject: VNAV on IFD
Date Posted: 08 Mar 2025 at 1:33pm

Hi there,

Should I be getting VNAV from my IFD550?

I have an SR22 G2 (Entegra PFD and MFD) with an IFD550 cross-synced with an IFD440 and an STEC55X autopilot.

After configuring altitude targets on my active flight plan, I was expecting the TOD to get transmitted to the PFD altitude bug, and the STEC act accordingly, but nothing happens.

Am I missing something? is this something that depends on any IFD configuration or wiring between the IFD's and the rest of the stack?

Replies:

Posted By: AviSteve
Date Posted: 11 Mar 2025 at 2:46pm

Assuming you have 10.3 software, enroute VNAV is being generated by your 550. But at this point only a couple of PFDs will use it - for instance a G5.

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Steve Lindsley
Avidyne Engineering