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View Poll Results: EFIS or SIX-PACK
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EFIS
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121 |
89.63% |
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SIX-PACK (digital)
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8 |
5.93% |
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SIX-PACK (vacuum steam)
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6 |
4.44% |

08-10-2017, 03:27 PM
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Join Date: Oct 2006
Location: St Louis, MO
Posts: 323
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Quote:
Originally Posted by rvbuilder2002
I agree.
There has been comments that such and such method is easier.....
Easy in anything is usually based prior knowledge or experience that can be applied to a new experience or situation.
Someone that learns using an EFIS from the very beginning wouldn't consider analog displays to be easier.
I assure you it can be learned. And once learned, jumping back and forth between analog and traditional EFIS/PFD is then no big deal.
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Scott, so I can drop the subject, why aren't standby/whiskey compasses required anymore?
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08-10-2017, 04:16 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,026
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Quote:
Originally Posted by AirHound
Scott, so I can drop the subject, why aren't standby/whiskey compasses required anymore?
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If you look up the equipment requirements in the FAR's, it says you must have a "magnetic heading indicator" Something that derives its heading disply using the magnetic field of the earth. All EFIS systems that I am aware of use a magnetometer to do that so they meet the requirement.
The problem is there are still some airworthiness inspectors that have their own personal interpretation of what that requirement means.
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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08-10-2017, 06:18 PM
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Join Date: Oct 2006
Location: St Louis, MO
Posts: 323
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Right! thank you, what are your thoughts about my following interpretation of that FAA verbiage? In what sounds like an extreme and highly unlikely circumstance, where the EFIS display totally fails, and the magnetometer is useless, this leaves the unprepared pilot without a backup NAV aid.
I agree with the general sport pilot community this scenario as unlikely and in my case, barring an untimely EMP event, I will likely survive the day with a hand held of some sort.
Last edited by AirHound : 08-10-2017 at 06:20 PM.
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08-10-2017, 07:32 PM
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Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 2,587
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Quote:
Originally Posted by AirHound
Right! thank you, what are your thoughts about my following interpretation of that FAA verbiage? In what sounds like an extreme and highly unlikely circumstance, where the EFIS display totally fails, and the magnetometer is useless, this leaves the unprepared pilot without a backup NAV aid.
I agree with the general sport pilot community this scenario as unlikely and in my case, barring an untimely EMP event, I will likely survive the day with a hand held of some sort.
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No one flying IFR should have a system where a single failure precludes continued IFR flight. Hand held is not adequate.
Carl
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08-10-2017, 09:25 PM
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Join Date: Oct 2006
Location: St Louis, MO
Posts: 323
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Quote:
Originally Posted by Carl Froehlich
No one flying IFR should have a system where a single failure precludes continued IFR flight. Hand held is not adequate.
Carl
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How about VFR Carl.
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08-10-2017, 10:52 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,026
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Quote:
Originally Posted by AirHound
How about VFR Carl.
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Since this is the RV-12 forum, VFR is the context I was thinking in, which is why all that should be needed for standard equipment in the airplane is the single magnetic heading indicator.
I am a firm believer in use of the back up equipment called "look out the window".
With the level of information that we have in airplanes with EFIS systems today, any proficient pilot should at the moment the screen goes dark, know exactly where he is, what the winds are, what his ground speed is, and with the use of their paper chart or what ever other back up map method they have chosen, be able to navigate to a nearby airport.
If they can't, then it would probably be best if they don't get out of sight of their home airport.
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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08-11-2017, 03:44 AM
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Join Date: Aug 2014
Location: Bowie MD
Posts: 886
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Quote:
Originally Posted by rvbuilder2002
If they can't, then it would probably be best if they don't get out of sight of their home airport.
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How we wish it were true........sigh......
https://en.wikipedia.org/wiki/Contro...t_into_terrain
__________________
Mani
Busby MustangII (FoldingWing) Pending DAR.
Don't be a hater; I'm a cousin with thin wings! 
N251Y (res)
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08-11-2017, 08:19 AM
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Join Date: Nov 2006
Location: Savannah, GA
Posts: 1,029
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Should add:
I'm only a VFR guy; I flew steam gauges all the way through training and the first 10 years of flying Dad's -6. When he changed to a Skyview it didn't have the six-pack available yet, so I started flying the PFD presentation. I had no trouble with that part. The much greater challenge was transitioning to using knots instead of statute miles per hour.
But, I also had thousands(?) of hours of PC flight sim flying as a kid, with both steam and PFD/HUD displays.
I can't speak much to flying IMC and all that, but from some experimenting we've done with the -6 I've found it easier to fly under the hood than I remember the steam C150 being. But again, I have no formal IFR training.
__________________
RV-7ER - finishing kit and systems installation
There are two kinds of fool in the world. The first says "this is old, and therefore good"; the second says "this is new, and therefore better".
Last edited by rmartingt : 08-11-2017 at 08:23 AM.
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08-25-2017, 11:43 AM
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Join Date: Dec 2007
Location: Brigden Ontario Canada
Posts: 72
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I am adding an autopilot to my conventional round gauged RV so I am leaning to the trutrak gemini to replace my vacum AI. I like round and do not like the appearance of mixing square and round together. It looks cobbled. Reading this thread I can't help but think about flying vfr in my RV (800hrs) all over the US and Canada. I am looking out the window 99% of the time (looking out for guys with their head down). All the fancy efis stuff is just expensive square junk along for the ride. (unless your IFR and stare at the dash which i can do in the basement on my computer) So six pac for me.
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08-25-2017, 05:56 PM
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Join Date: Oct 2006
Location: St Louis, MO
Posts: 323
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Quote:
Originally Posted by Doug Eves
I am adding an autopilot to my conventional round gauged RV so I am leaning to the trutrak gemini to replace my vacum AI. I like round and do not like the appearance of mixing square and round together. It looks cobbled. Reading this thread I can't help but think about flying vfr in my RV (800hrs) all over the US and Canada. I am looking out the window 99% of the time (looking out for guys with their head down). All the fancy efis stuff is just expensive square junk along for the ride. (unless your IFR and stare at the dash which i can do in the basement on my computer) So six pac for me.
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What kind of standby compass do you have, was swinging it difficult?
Last edited by AirHound : 08-25-2017 at 07:37 PM.
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