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10-25-2013, 11:55 PM
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Join Date: Oct 2013
Location: Underhill, VT
Posts: 5
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IFR Legal? KLN 90B GPS without CDI and Annunciator?
Hi All, this is my first post...
I purchased an RV-8 in March and with winter approaching quickly in New England, I decided to try to make it IFR legal. So I designed a new panel (using almost all the existing equipment and only adding an IFR GPS and some customization) and built it up. I left space for, but I haven't gotten an indicator for the GPS (KLN 90B) and was trying to figure out if it is needed...
So three questions:
1. Do I need an indicator to be IFR legal with an up-to-date GPS database and all the other requirements being met?
2. Do I need external indicators to be legal?
3. Anyone know where I can get a KI 202, 206 or other recommended CDI?
Thanks in advance! -Kyle
BTW, how to you insert photos? It asks me for a website when attempting to do so...
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10-26-2013, 12:23 AM
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Join Date: Jan 2005
Location: NC25
Posts: 3,503
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Quote:
Originally Posted by N57GK
Hi All, this is my first post...
I purchased an RV-8 in March and with winter approaching quickly in New England, I decided to try to make it IFR legal. So I designed a new panel (using almost all the existing equipment and only adding an IFR GPS and some customization) and built it up. I left space for, but I haven't gotten an indicator for the GPS (KLN 90B) and was trying to figure out if it is needed...
So three questions:
1. Do I need an indicator to be IFR legal with an up-to-date GPS database and all the other requirements being met?
2. Do I need external indicators to be legal?
3. Anyone know where I can get a KI 202, 206 or other recommended CDI?
Thanks in advance! -Kyle
BTW, how to you insert photos? It asks me for a website when attempting to do so...
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You need all the equipment that is required in a Certificated Airplane Installation to be legal.
So...
1. Yes
2. Yes
3. Try SteinAir.
__________________
Gary A. Sobek
NC25 RV-6 Flying
3,400+ hours
Where is N157GS
Building RV-8 S/N: 80012
To most people, the sky is the limit.
To those who love aviation, the sky is home.
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10-26-2013, 02:37 AM
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Join Date: Jan 2007
Location: Stuart, FL /Hartford, CT/Virgin Gorda,BVI
Posts: 3,122
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There was an article in the sport aviation mag about ifr equipment. I'll try and get the specific issue for you. A good auto pilot and back up systems are a must.  welcome to the VAF site. See you next summer in vt.
__________________
TURBO YES =VAF= Payed Jan2019
Ed D'Arcy
RV6-A 5,200+ hrs, R-44 1,600 hrs, Helicycle 320 hrs, gyro sold,35,000 miles flown in 2015 
Stuart, Fl / S WINDSOR,Ct / Virgin Gorda, BVI - under major repair from hurricane damage
VAF #840 EAA AOPA FAC FABA QB SPA
addicted pickle ball player
https://i.postimg.cc/tn3h4svg/IMG-3101.jpg
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10-26-2013, 05:06 AM
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Join Date: Jan 2005
Posts: 1,009
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If You Have To Ask...
Kyle:
As a newly minted instrument pilot (or a long time pilot with limited instrument experience), you should probably be thinking not only minimum equipment, but also maximum situational awareness. Also, once you have the equipment, I'd suggest some additional training to help determine where your comfort level is with it.
Many instrument pilots will say ,"I won't fly unless I have personal minimums of such and such". Truth is, when you're in "the system", you'd better be able to really fly on the Gage's and shoot approaches to minimums. In addition, if you can't do either of these without anxiety, you really shouldn't be flying IFR.
Finally, Ed's suggestion above for an AP is a good one, especially in a short wing RV- and he's got plenty of experience to back up his suggestions.
Welcome to the RV nation.
Terry, CFI
RV9A N323TP
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10-26-2013, 05:31 AM
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Join Date: Jan 2005
Location: Louisville, Ga
Posts: 7,840
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Not necessarily.
Kyle, you didn't say whether you have a glass panel or steam gauges.
I have a glass Dynon 100 and it's HSI is legal. No outside indicator is necessary and I've done IFR demonstration to satisfy my CFII.
IIRC, all the new glass has an HSI with glideslope capabilities.
Best,
__________________
Pierre Smith
RV-10, 510 TT
RV6A (Sojourner) 180 HP, Catto 3 Bl (502Hrs), gone...and already missed
Air Tractor AT 502B PT 6-15 Sold
Air Tractor 402 PT-6-20 Sold
EAA Flight Advisor/CFI/Tech Counselor
Louisville, Ga
It's never skill or craftsmanship that completes airplanes, it's the will to do so,
Patrick Kenny, EAA 275132
Dues gladly paid!
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10-26-2013, 05:55 AM
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Forum Peruser
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Join Date: Jan 2005
Location: Austinville, Alabama
Posts: 2,455
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Quote:
Originally Posted by N57GK
Hi All, this is my first post...
I purchased an RV-8 in March and with winter approaching quickly in New England, I decided to try to make it IFR legal....
So three questions:
...
Thanks in advance! -Kyle
BTW, how to you insert photos? It asks me for a website when attempting to do so...
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Answer to your fourth question can be found by clicking the link on the first page of these forums, upper left corner, fourth line down, "Insert Pics."
__________________
Don Hull
RV-7 Wings
KDCU Pryor Field
Pilots'n Paws Pilot
N79599/ADS-B In and Out...and I like it!
?Certainly, travel is more than the seeing of sights;
it is a change that goes on, deep and permanent, in the ideas of living." Miriam Beard
Last edited by rv7boy : 10-26-2013 at 06:01 AM.
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10-26-2013, 05:59 AM
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Join Date: Sep 2013
Location: New Smyrna Beach, FL
Posts: 305
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__________________
Arlen
Donation to VAF 10.29.18
RV-6, February '14, SOLD December '15 
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10-26-2013, 06:11 AM
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Join Date: Nov 2005
Location: Asheville, NC
Posts: 2,690
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This question can be answered by reading the installation manual rather than speculating on a forum.
The install manual is the ruling document for a particular piece of equipment that has been IFR approved by the FAA.
Section 1.8 spells it out quite plainly.
__________________
Bill Pendergrass
ME/AE '82
RV-7A: Flying since April 15, 2012. 850 hrs
YIO-360-M1B, mags, CS, GRT EX and WS H1s & A/P, Navworx
Unpainted, polished....kinda'... Eyeballin' vinyl really hard.
Yeah. The boss got a Silhouette Cameo 4 Xmas 2019.
Last edited by rzbill : 10-26-2013 at 06:26 AM.
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10-26-2013, 07:53 AM
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Join Date: Mar 2006
Location: Edmond, OK
Posts: 194
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In addition to the install manual, AC 20-138 provides an FAA acceptable installation process. Chapter 11, among other areas, should be helpful.
http://www.faa.gov/documentlibrary/m...%2020-138c.pdf
__________________
Dan Burdette
Skyview, ADS-B, Garmin 420W, TT Gemini AP
RV-9A, IO-320, E-Mag
Guthrie-Edmond Rgnl, OK (KGOK)
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10-26-2013, 09:09 AM
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Join Date: Jun 2006
Location: 8I3
Posts: 3,562
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Quote:
Originally Posted by N57GK
1. Do I need an indicator to be IFR legal with an up-to-date GPS database and all the other requirements being met?
2. Do I need external indicators to be legal?
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I have a KLN-89B and also a KLN-94. Neither require an OBS and its spelled out in the installation manuals although it states that the installation certifying agency may require an OBS for approach approval. So if you're ok with the additional button pushing that is required to get to the OBS screen then you should be ok without one. Its easy to roll your own external annunciators and switches.
"Being legal" is a particularly gray area when it comes to IFR GPS installations in experimentals. Since the FAA doesn't approve installations its up to you to be compliant.
__________________
Please don't PM me! Email only!
Bob Japundza CFI A&PIA
N9187P PA-24-260B Comanche, flying
N678X F1 Rocket, under const.
N244BJ RV-6 "victim of SNF tornado" 1200+ hrs, rebuilding
N8155F C150 flying
N7925P PA-24-250 Comanche, restoring
Not a thing I own is stock.
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