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  #1  
Old 04-21-2022, 01:49 PM
hamblin10's Avatar
hamblin10 hamblin10 is offline
 
Join Date: Aug 2021
Location: Owasso, OK
Posts: 50
Default RV-12 modified to fly IMC

Has anybody actually modified their RV-12 for IMC (heated pitot, GTN650, ect)? I'm thinking of certifying my build as EAB and installing the IFR package in order to actually fly above the clouds when needed on trips. As EAB that will be perfectly legal until such time as my medical becomes questionable (as we all age) then I will fly under LSA rules below the clouds. What all did you add to your aircraft to make it IMC capable? Thanks!
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Eric Hamblin
Private Pilot/A&P/Aerospace Engineer
RV-12iS in progress. N993EZ
Build 121398
Empennage kit received 8/11/22
Wing kit in work 07/11/22
Fuselage kit ordered 03/07/22
Finish kit ordered 03/18/2022
Owasso Oklahoma

https://eaabuilderslog.org/?s=MYRV12
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  #2  
Old 04-21-2022, 02:53 PM
FlyingDiver FlyingDiver is offline
 
Join Date: Feb 2019
Location: Southwest Florida
Posts: 196
Default

All you really need (to be legal) is a GPS-175. And it could be registered E-LSA.
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Joe
2022 Donation Paid
RV-12iS In Progress
Empennage and Wings (except nav lights) done
Working on Fuselage
three more kits on order...
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  #3  
Old 04-21-2022, 02:55 PM
Taltruda Taltruda is offline
 
Join Date: Oct 2017
Location: Las Vegas, NV
Posts: 1,383
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Interesting.. not to get too off topic from your situation, but I thought the “3rd class medical reform” made it so that you don’t need to maintain your medical if you opted out.. so if you had a regular pilot certificate and a medical, as you age, you can allow the medical to expire and continue to fly your (non LSA) plane under “basic med” rules. This way you don’t need to limit yourself to LSA rules or limitations, right? What does going LSA do for you that basic med won’t do for you?
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Las Vegas
RV-4 flying…
RV-8 empenage finished 10-2020

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  #4  
Old 04-21-2022, 03:29 PM
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WA85 WA85 is offline
 
Join Date: Apr 2010
Location: Huntsville, AL
Posts: 178
Default

Equipping an aircraft to operate under IFR clearances / ATC and safely operate an aircraft in IMC are two different processes.

True, with a GPS 175, a decent radio and an EFIS, one can operate in the IFR environment.

An auto-pilot is a nice safety feature if single pilot.

But to be safe in IMC, you might to look into redundancy of the critical systems for navigation, communication and situation awareness, such a back up A/I, GPS with CDI that can be used to fly an approach.

A limitation in equipping an RV-12 for IFR operation in IMC is the limited electrical system capacity to add sufficient avionics for safety and redundancy.
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  #5  
Old 04-21-2022, 03:31 PM
FlyingDiver FlyingDiver is offline
 
Join Date: Feb 2019
Location: Southwest Florida
Posts: 196
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True, I was only referring to being "legal". In my case, the sole purpose for equipping for IFR (other than training) is to get through the coastal marine layer in the mornings. If it's not VFR at cruise and inland or when I plan to get back, I'm not going.
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2022 Donation Paid
RV-12iS In Progress
Empennage and Wings (except nav lights) done
Working on Fuselage
three more kits on order...
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  #6  
Old 04-21-2022, 03:41 PM
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jrtens jrtens is offline
 
Join Date: Apr 2018
Location: Seattle
Posts: 288
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You really should plan on dual screens and a backup ADAHRS.

https://dynonavionics.com/adahrs-primary-secondary.php

BTW, with the 912iS you will have plenty of electrical power.
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2019 12iS SLSA
Arlington Muni
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  #7  
Old 04-21-2022, 04:00 PM
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jrtens jrtens is offline
 
Join Date: Apr 2018
Location: Seattle
Posts: 288
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Quote:
Originally Posted by Taltruda View Post
What does going LSA do for you that basic med won’t do for you?
If you fly a plane that meets the light sport aircraft definition (i.e. weight, etc.) AND you adhere to the Sport Pilot rules (i.e. day VFR, etc.), then a Drivers License will suffice as your medical. (if you have not been denied an FAA medical)
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2019 12iS SLSA
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  #8  
Old 04-21-2022, 04:28 PM
rvbuilder2002 rvbuilder2002 is offline
 
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,978
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Quote:
Originally Posted by FlyingDiver View Post
All you really need (to be legal) is a GPS-175. And it could be registered E-LSA.
Only if the GPS-175 was added after certification because there is no factory option for the 175.
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Opinions, information, and comments, are my own unless stated otherwise.
You are personally responsible for determining the suitability of any tips,
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Scott McDaniels
Hubbard, Oregon
Formerly of Van's Aircraft Engineering Prototype Shop
FAA/DAR
RV-6A (aka "Junkyard Special ")
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  #9  
Old 04-21-2022, 08:05 PM
BobTurner BobTurner is offline
 
Join Date: Dec 2011
Location: Livermore, CA
Posts: 8,547
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When did people start thinking that a GPS was required for ifr? Convenient, sure, but not necessarily required.
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  #10  
Old 04-21-2022, 10:23 PM
12vaitor 12vaitor is offline
 
Join Date: Aug 2012
Location: Panama City, FL
Posts: 248
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Quote:
Originally Posted by hamblin10 View Post
Has anybody actually modified their RV-12 for IMC (heated pitot, GTN650, ect)? I'm thinking of certifying my build as EAB and installing the IFR package in order to actually fly above the clouds when needed on trips. As EAB that will be perfectly legal until such time as my medical becomes questionable (as we all age) then I will fly under LSA rules below the clouds. What all did you add to your aircraft to make it IMC capable? Thanks!
I went EAB and installed an Avidyne IDF540 in the panel and a Dynon heated pitot/AOA in the wing for IFR capability. The 540 provides VOR/ILS in addition to WAAS GPS and a second comm. The Dynon AP/IFD540 combination works well for flying coupled approaches. The iPAD with Foreflight adds a 3rd WAAS GPS (Dual) source and approach geo referenced plates. I have a 2nd iPAD with Foreflight and the IFD100 app that lets me run a second 540 display via Bluetooth to the panel unit. I also have two batteries and a redundant buss electrical system to keep the electrons flowing.

A G5 would make a nice backup but there is no place to put it. My panel is cut for a SV-D700 on the right side, however I prefer the iPAD mini where it is at.

John Salak
RV-12 N896HS
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