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02-28-2016, 03:54 PM
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Join Date: Dec 2005
Location: Kenosha WI
Posts: 50
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Need IFR GPS WAAS Approach capability
Is it fair to assume the only box on the market that provides IFR GPS WAAS Approach capability only (no VOR/COMM/LOC/GS) is the Garmin GPS 400W?
Thank you
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02-28-2016, 04:04 PM
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Join Date: Jun 2006
Location: Delaware, OH (KDLZ)
Posts: 4,196
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I believe there is a similar model in the 600 series.
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02-28-2016, 04:17 PM
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Join Date: Jun 2007
Location: Atlanta
Posts: 745
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Yeah, The 625. I just bought one. Just like the 650, except no comm radios and GPS approaches only. 
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02-28-2016, 05:13 PM
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Join Date: Feb 2006
Location: South St. Paul MN
Posts: 38
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I put a 625 in my plane. Works great with the G3X touch.
__________________
Mark Juelfs
Faribault, MN
RV-7 Flying
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02-28-2016, 05:55 PM
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Join Date: Mar 2014
Location: Alexandria VA
Posts: 305
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625
Don,
Are you flying IFR with the 625 only? I'm still a little on the fence about IFR with GPS only, but I'm coming around. I guess I'm so old I can't give up completely on VOR/ILS. I'd love hearing from you re your decision.
Robert
RV7
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02-28-2016, 06:48 PM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,679
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It would be interesting to see a Poll on how many people have only IFR GPS capabilities with no NAV radio. I have this in my -6A (GTN-625 only). We had it in a -9A as well (400W only). The poll should also include the number of people who have NAV capabilities that never use it (except occasionally to verify that it works and they remember how). Obviously Garmin thinks it's valid because they offer e 625 for a special price with their G3X systems.
Oh, it would also be nice to see a list of airports with ILS capabilities that don't also have an LPV approach to the same runway. Methinks they are few and far between. There are many more airports that have one ILS and more than one LPV.
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Jesse Saint
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02-28-2016, 10:49 PM
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Join Date: Jun 2007
Location: Atlanta
Posts: 745
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Quote:
Originally Posted by schaplerrh
Don,
Are you flying IFR with the 625 only? I'm still a little on the fence about IFR with GPS only, but I'm coming around. I guess I'm so old I can't give up completely on VOR/ILS. I'd love hearing from you re your decision.
Robert
RV7
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Hi Robert, I just got it. Its still sitting in the box here in my office. You're probably younger than me---I'm older than Yoda, but ILS's and VOR,s are going the way of my former pet dinosaur. Seems to be GPS approaches just about everywhere. But yeah, flying IF & R is the intention. ( If you have Garmin Pilot, and probably the same on Fore Flight, look at the IFR approaches almost anywhere. You'll see a GPS approach. You won't necessarily see an ILS or VOR) I've already got 2 comm radios in my cockpit with dual freqs on both, so its almost like having 4 radios. Didn't need a 430 or 650.
Last edited by donaziza : 02-28-2016 at 10:52 PM.
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02-28-2016, 10:58 PM
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Join Date: Dec 2011
Location: Livermore, CA
Posts: 6,797
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counter example
It's rare, but it does happen: x/c with ifr student, reported ceiling 200'. Saw the lights at 230', ILS got us in. LPV minimums were 300', would never have seen anything. Once in a while you're really happy to have an ILS. VOR, I'm not so sure.
Edit: another consideration, with just a WAAS GPS for navigation, you cannot take your ifr practical test, nor an IPC (although I have a work-around for this) in this airplane.
Last edited by BobTurner : 02-28-2016 at 11:47 PM.
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02-29-2016, 03:52 AM
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Join Date: May 2012
Location: Ga
Posts: 662
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625 and SL30
I went with the 625 for approach GPS and Sl30 for ILS and com work. The GPS/com boxes like the 650 offer some advantages but not enough to for me to pay the extra. The SL30 is really hard to beat for VOR work and can be found used reasonable. Couple the 625 to a GPSS autopilot, and now you have icing on the cake.
__________________
Craig
RV-3 Sold
RV-4 Sold
RV-6a Sold
RV-9 IO-360 CS, Built and Flying
Aerostar 600A, Family Hotrod
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02-29-2016, 11:57 AM
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Join Date: Dec 2011
Location: Livermore, CA
Posts: 6,797
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Quote:
Originally Posted by BobTurner
Edit: another consideration, with just a WAAS GPS for navigation, you cannot take your ifr practical test, nor an IPC (although I have a work-around for this) in this airplane.
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I received a PM about this, but I think it's of general interest to ifr pilots. It used to be that IPC's content was left to the cfii. Then the FAA added an IPC column to the PTS tasks list. CFIIs pointed out that the PTS was a non-regulatory advisory circular which they didn't have to follow. So the FAA changed FAR 61.57(d) to specifically reference the PTS. This is another example (ifr gps being another) of the trend to put information in non-regulatory publications, then reference the publication in the FARs, making the information "regulatory by reference".
So yes, for an IPC, 3 different types of approaches need to be demonstrated.
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