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If you have float sensors you're golden, as mentioned above. If you have capacitance senders, you're going to have difficulties - see my thread here on the Vans forum about that. http://www.vansairforce.com/community/showthread.php?t=148040

Yep, it really is that simple, on both questions. It's as close to "plug and play" as you can get.

I see this from a little different perspective - and I certainly hope Dynon is driving the ship this direction - and I'll say up front I have absolutely zero knowledge of what Dynon is doing here. With the STC to install the Skyview system in certificated aircraft, all the "other stuff" is...

Agreed, that sounds like the most likely culprit - a bad sense wire connection either at the shunt itself or the EMS connection.

To my knowledge, that is not legal in the US.

So you've got two alternators, with their output B-leads joining together at the shunt, and then a main B-lead breaker AFTER the shunt? That won't protect you. If one of the alternators shorts out, battery current will surge backward and trip the breaker(s) on both of them, because they are both...

Only if you want to use it for IFR navigation. The current Dynon suite does not allow for IFR use, you need to have a certified IFR receiver. That means spending approximately one metric sh&t-ton of dollars on product testing, development, and documentation. An older Garmin 430W will do just...

It certainly would indeed. It occurs to me that Dynon has their label on nearly every component that belongs in an instrument panel EXCEPT that one, and it's a glaring omission. One can certainly hope that there is quiet work going on in a back corner that is not being talked about (yet).

Using the same shunt is fine - but you should have separate ANL-type (or equivalent) fuses on each B-lead prior to joining them at the shunt so that a single shorted alternator does not take them both out.

To expand just a bit on that - the IFR-certified navigator is required to be able to export HSI/GS information to the ARINC module, which will display it on the Skyview screen and allow the autopilot to couple with approaches from the certified navigator.

You are ENGAGING the autopilot prior to takeoff?

You can do it, certainly... I chose not to - because I want to have a "hard alert" on the failure of the primary, with Skyview giving me both a low voltage and high discharge amps alert that is guaranteed to get my attention. Then I will manually diagnose and bring the standby alternator...

I've had dozens of flights this summer with OAT in 100-105 F range, with the airplane heatsoaked on the ramp, and have not experienced any issue with the displays. I would suspect you have a poor connection somewhere on a cable that is being affected by the heat, rather than the display itself.

Wait - this just caught my attention.... not sure I'm doing that, not sure I knew I needed to do that. I'm switching the HSI source for Skyview to the ARINC-429, and when the 430W is in GPS mode I get HSI commands to it from the 430W - but when I hit the VLOC button on the 430W I get nothing...

Hmmm... that's a valid question. I'm receiving the GPS data without a hitch, including glideslope. Have never received anything at all on the VLOC side. I'm in the middle of replacing a failed fuel pump right now which will take a couple days, then I'm going to be back on this problem with a...

Yes, yes but I'll check them again for continuity, and yes - in that order.

I have the full Skyview Classic suite in my 9A, with a Garmin 430W feeding the Dynon ARINC-429 for IFR nav data. It works like a charm in GPS mode but I don't get anything at all in VLOC mode. Is there something you can recommend as a starting point for troubleshooting? ILS reception is evident...

Ditto that sentiment here. I love the data - I hate the method.

No, this was SA-induced. They did not have the data available for download. I just got an email from SA timestamped 2:35pm Central this afternoon that the data is now released for download. It says they "discovered a problem".... yeah - I did too.

And now an update on this situation - I just uninstalled the data manager, deleted all the files and folders, rebooted, re-installed the data manager fresh from the SA website, and it's downloading data - all dated to expire tomorrow. No "next cycle" data available. F'ing fabulous. Is SA run...