Today's Message Index:
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1. 02:28 AM - Re: Panel planning (bill.peyton)
2. 06:44 AM - Re: Panel planning (Bill Watson)
3. 02:47 PM - Re: Panel planning (Bob Turner)
Message 1
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| Subject: | Re: Panel planning |
Early on I had full and selected EFIS failures and reboots multiple times, one
specific one in full IMC. I fully believe that those software bugs have been
found and fixed, and I have not had one in over a year 250 hours. So yes, they
happen. Don't kid yourself. I agree with Tim, I frequently practice approaches
and hand flying with just the backup D6, and it is extremely difficult to
fly the plane and set up the GPS to shoot an approach due to the panel layout
(D6 way over on left) and it's size. If it happened for real in IMC I would have
approach vector me. So define your mission and then define your panel around
that mission.
--------
Bill
WA0SYV
Aviation Partners, LLC
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=433770#433770
Message 2
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| Subject: | Re: Panel planning |
Zero failures or problem from bugs on my (3) GRT HXs - 3 years and 500+
hours. Plenty of IFR.
I don't care for the dual brand EFIS thing either. I use an ADI and
some small round guages for basic backup, I can keep it upright with
that. The Trutrak AP is a very capable backup as well. Though the 3
systems run the same software, they do run independently from a HW
failure standpoint. Dual Batts, dual alts, dual bus, dual AHRS, 3
screens and 3 or 4 GPSs feels good. Having the juice to run the
doo-whizzies is pretty important.
On 11/14/2014 10:09 AM, Kelly McMullen wrote:
>
> I'm curious, since I know of very little data on the subject. How many
> of you have experienced, or know of an EFIS problem from a software
> bug in the past say 3 years? During the early years of experimental
> EFIS systems I'm sure the concern of dual EFIS having dual failure
> from software bugs was a real concern. At least one vendor recently
> asserted to me that it really isn't a problem anymore. I've seen
> nothing to support either side of the discussion. That said, I'd sure
> want to put some VFR testing time behind any firmware revision before
> launching IFR to depend on anybody's EFIS.
>
> On 11/14/2014 7:14 AM, DLM wrote:
>>
>> For IFR, I think two independent systems are necessary.
>>
>
Message 3
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| Subject: | Re: Panel planning |
My backup is a Dynon D6, and while you might call it an EFIS there is no button
pushing except to change the altimeter setting. I consider it functionally equivalent
to a 6-pack of round gauges. I've done practice VOR approaches under
the hood using nothing but the D6 and a handheld VOR (Sportys). Workload is high
due to having to (figuratively) close my eyes and visualize the digital radial
readout as an RMI bearing. But it can be done. Using the iPad (I use WingX)
is easier.
--------
Bob Turner
RV-10 QB
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=433794#433794
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