Garmin 175 with GTX33es

Gmonnig

Gmonnig

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I’ve glanced through the Garmin Manuals online for the new Garmin 175/375 and haven’t found what I’m looking for. Will the Garmin GPS175 run a remote mounted GTX33ES? The timer key on the 175 is a little redundant with my MidContinent timer and I’m wondering if the key can be used as the xpondr control.
 
Don't think so. You need the 375 to get the transponder/ADSB.
 
Gmonnig said:
it does not list the GNS480 on that sheet
Click to expand...

The 480 is listed for some transponders, including the GTX33ES.

GDL-88, GTX-33x w/ES, GTX-330x, GTX-3000 (GTXmodels require appropriate S/W rev)

Garmin GTN 625/635/650, GTN 725/750, GIA 63W, GNC 420W/420AW, GNS 430W/430AW/480/530W/530AW, GPS 175, GPS 400W/500W (w/ or w/o TAWS) (all require appropriate S/W rev)
 
Gmonnig said:
I’ve glanced through the Garmin Manuals online for the new Garmin 175/375 and haven’t found what I’m looking for. Will the Garmin GPS175 run a remote mounted GTX33ES? The timer key on the 175 is a little redundant with my MidContinent timer and I’m wondering if the key can be used as the xpondr control.
Click to expand...

I would bet money on it that it will.
 
When you say "run" what are asking about -- the 175's ability to be a position source for the 33ES and to display ADS-B in traffic and FIS-B, or the ability to actually control the 33ES (e.g. inputting squawks, identing, changing modes, etc)? I believe the answer is yes to the former and no to the latter. The 375 does it all.
 
Last edited:
Raymo said:
The 480 is listed for some transponders, including the GTX33ES.

GDL-88, GTX-33x w/ES, GTX-330x, GTX-3000 (GTXmodels require appropriate S/W rev)

Garmin GTN 625/635/650, GTN 725/750, GIA 63W, GNC 420W/420AW, GNS 430W/430AW/480/530W/530AW, GPS 175, GPS 400W/500W (w/ or w/o TAWS) (all require appropriate S/W rev)
Click to expand...
Huh, don't know how the hell I missed that! Thanks, I'm an idiot.
 
tsts4 said:
When you say "run" what are asking about -- the 175's ability to be a position source for the 33ES and to display ADS-B in traffic and FIS-B, or the ability to actually control the 33ES (e.g. inputting squawks, identing, changing modes, etc)? I believe the answer is yes to the former and no to the latter. The 375 does it all.
Click to expand...
I mean the ability to control it. Since the 33ES is in the tail, it'd be great if the 175 could actually control the inputs to the transponder.
 
Gmonnig said:
I mean the ability to control it. Since the 33ES is in the tail, it'd be great if the 175 could actually control the inputs to the transponder.
Click to expand...

Oh! I thought you meant for the ADS-B out source. Disregard previous posts. I think you need an EFIS of some sort to control the remote XPNDRs.
 
I believe a Garmin rep posted on another forum the GPS175 will not run/operate a remote transponder, but would act as a position source for a transponder. The GTN-650/750 will remotely operate a some Garmin transponders and act as the position source.

-David
 
That’s why the375 makes better sense if there is not yet an ADS-B transponder installed.
 
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