Q&A
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Q: What type coax is used with the GA 35 antenna and what type connector is on it?
It is recommended that you use RG 400 or RG 142 with this GPS antenna. It has a female TNC connector so you will need a male RG400/142 TNC connector.
Q: Can a single GA35 be used to drive both a GNS 530W and a GNS 430W? If so, what kind of splitter?
We recommend using two antennas for your application. We do not offer any GPS antenna splitters.
Q: What is the weight of the Garmin GA 35 GPS antenna?
This antenna weighs approximately 0.5 lbs.
Q: Is the doubler plate also part of the Garmin GA 35 GPS or should / can it be ordered separately?
The GA 35 does not come with a doubler plate nor is there one available for purchase.
Q: Is the GA 35 a self contained WAAS GPS receiver and antenna?
The GA35 is a WAAS GPS antenna only.
Q: Will the GA 35 antenna work on a Garmin 396 GPS?
No, you will need the GA 25.
Q: Does the Garmin GA 35 WAAS antenna work with a Garmin GTN 750?
Per the GTN 750 installation manual, yes, the GA 35 antenna will interface with the GTN 750.
Q: Does the GA 35 support the VHF feature on the GTN 750? Or will I need to buy a VHF Antenna?
The GA 35 is only a WAAS GPS antenna and does not have any VHF reception capability.
Q: Will this Garmin GA 35 antenna work with the Garmin GNS 530w?
Yes, this antenna will work with the GNS WAAS series.
Q: Can this antenna Garmin GA35 be mounted on the glareshield of an aircraft with clear view of the sky when used for a Garmin G5? Or does it have to be mounted on the exterior of the aircraft?
For a glareshield mount, it is recommended to use the GA 26C rather than a GA 35.
Q: Can the GA 35 antenna work with the G5 and an Aera 660?
The Aera 660 does not have any connectors to connect a GA 35 antenna. You can tie in the 660 to the G5, but would need to use the power data cable found under part # 10-06028
Q: What are the dimensions of the GA-35 WAAS GPS antenna?
4.68 x 3.00 x 0.81 inches.
Q: Does the GA35 antenna work with the non WAAS GNS-530?
The GA35 is a WAAS GPS antenna. You would not use it with a non WAAS GPS unit.
Q: Can my existing Garmin 250XL share the GA35 antenna I plan to install with my new GTX 335 ADS-B system?
The GA 35 is a WAAS GPS antenna and the 250xl does not use WAAS GPS data.
Q: Does your Part # 11-15368 TNC connector fit this Garmin GA 35 WAAS GPS Antenna?
Yes, 11-15368 is a standard Male TNC connector that will mate with the female TNC of the GA 35 antenna.
Q: Does the Garmin GA35 antenna include an 8130 form in the box?
No. The box will include the Certificate of Conformance and the unit itself is stamped with FAA-PMA, TSO, and STC markings. For 8130-3 export form, it will need to be requested at the time of order and additional charges will apply.
Q: Does this GA35 antenna replace the GA56W WAAS antenna that has been discontinued? Is so, what are the differences?
The ga 56 is not a waas antenna and was used for the garmin gns 430/530 series units. When the gns 430w/530w as well as the gtn 650/750 series units came out garmin certified them with the replacement antenna the ga 35 waas antenna.
Q: Does this Garmin GA 35 antenna need a gasket between it and the aircraft skin? If so, do you sell them?
This does not come with a gasket, when installing this antenna applying sealant should be sufficient for installation.
Q: Can the GA 35 couple with the TruTrak Sourcerer auto pilot as a GPS source?
No the Trutrak Sorcerer is not a GPS receiver. You will need a GPS receiver connected to the autopilot controller.
Q: Can this GA 35 be used for Sirius XM satellite radio directly? I already have this antenna connected to my Avidyne IFD 440. However, I am wondering if I purchase a 2nd one if I can go directly to my Sirius Satelite radio (Radio only not connected to any navigation equipment) I believe my sirius uses SMB jack and I could get a TNC to SMB adapter.
No. The GA 35 is strictly a WAAS GPS antenna. It has no SiriusXM capabilities. Please see part # 11-05824 for a dual function WAAS GPS/XM antenna.
Q: Can the GA 35 be used with the RCA 1510 digital heading indicator?
Yes, the GA 35 can be used as a GPS antenna, you will need a coax cable with a Male TNC for the antenna and an SMA connector for the unit side.
Q: If I install both a Garmin G5 using the GA35 GPS and the Garmin GDL 82 can one share the WAAS GPS data to the other? or do I need TWO GA35s??
You can share the antenna but please be sure to read through the installation manual for proper installation/wiring.
Q: Do I need to use the GPS 20A if Im going with the GTX 45R in a G3X system?
You will need an approved WAAS GPS source. The gps 20a can be used for this. As can the 345r with built in waas, a gns 430w, gtn 650, gps 175, and a variety of other waas sources.
Q: Got a Garmin GTX-335 from a boneyard, but none of the antennas. Is this Garmin GA 35 antenna an approved WAAS GPS antenna for the 335?
If the GTX 335 you acquired has a built in WAAS module, then yes, this antenna is the correct one to supply GPS to the 335.
Q: Will the GA-35 work with the KLN-89B?
No, it will not. This is meant for GARMIN units only.
Q: Do you sell an antenna gasket for the GA35 GPS antenna? I need one for the location I picked to mount this antenna.
Per Garmin: there is no standard gasket for the installation. We recommend using a sealant.
Q: What connectors do I need for this antena? What connector do I need to connect the cable to a 530W?
Both sides will require a male TNC connector.
Q: Where can I download the STC?
The Garmin GA 35 antenna is FAA TSO approved. There is no STC document.
Q: Q1. Does the Garmin GA 35 WAAS antenna work with a Garmin Aera 660?
Q2. Can I get a Form 8130-3 for this product from you?
The Aera 660 does not require an external antenna. The internal antenna is of high enough quality to receive signal. Yes, this can be furnished with 8130 from and must be requested at time of checkout (additional charges will apply).
Q: Can I use this GA 35 antenna with GNS 530 (a non WAAS unit)?
No, GA 35 is a WAAS GPS antenna. You would not use it with a non WAAS GPS unit.
Q: Would GA 35 antenna work with Aera 510 or Aera 796?
No. This antenna is not on the list of approved accessories. Please view the product manual for proper GPS antennas for the units.
Q: Is the Garmin GA 35 the antenna to use for a Garmin Aera 660?
Per the installation manual, this is not an acceptable antenna. You will need to order 11-00052.
Q: Will this work with a GNS 480 unit as a replacement for the 590-1112 that came with it?
The GA 35 is an acceptable antenna, however the footprint will be different.
Q: GA 35 with GNS 530W , will this combination be certified for IFR?
The GNS 530W is an IFR box.
Q: Does it work with GNS 430 (non-WAAS)?
No, it will not. You will need the GA56 antenna p/n: 11-18756.
Q: Does this Garmin GA 35 antenna come with mounting screws?
No, there is no hardware included with this antenna.
Q: Is this a direct replacement for an A33W antenna? P/N 013-00261-00?
The GA35 is the new WAAS GPS antenna that Garmin is providing.
Q: Can this antenna be used on a GNS430?
You will need a non-WAAS antenna. Such as 11-18756.
Q: Is this the correct unit for a 430waas?
Yes, this antenna will work.
Q: Is this GA35 approved for the G5 in the paperwork?
No, the G5 requires a GPS interconnect or a glareshield antenna according to the install manual. Our p/n 10-06987.
Q: What antenna cable is used with the GA35?
If it is used for certified aircraft the RG-400 or RG-142 can be used. Experimental can use the Rg-58AU OR RG-58CU.
Q: Will this Garmin GA 35 antenna work with a garmin 345 transponder?
Yes, the GA 35 is an approved GPS antenna for use with the GTX 345 transponder with integrated WAAS GPS.
Q: Will this work for a GDL82?
Yes, the GA 35 can be used with the GDL 82.
Q: Will this Garmin GA 35 antenna work with an Avidyne IFD 440?
Yes. Part # 11-09701 will work as well as AV-8001. Both are TNC and TSO'd for WAAS
Q: How far does the Garmin GA 35 antenna have to be away from other GPS and/or VHF antennas?
The GPS antenna should be mounted no closer than two feet from any VHF COM antenna or any other antenna which may emit harmonic interference at the L1 frequency of 1575.42 MHz.
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