GTX335 w/GPS Certified Product Registration & STC Permission

To complete installation of the Garmin GTX335 w/GPS in a certified aircraft you must validate the new Garmin GTX335 w/GPS on this page. Upon validation you will receive the required STC Approval Letter specific to this installation. Please enter the code that appears on the card provided with your Certified GTX335 w/GPS. The card with your code is shown below:

Device Registration Card
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After completing the STC approval process and registering your product for warranty, you will have access to view authorized content on the Support Center, such as Installation Manuals, Software, Service Installation Bulletins, and Service Communiques. See this FAQ for more details: How do I access installation documents and software for my certified avionics that were purchased over-the-counter?