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Aviation Alerts and Advisories

Service Advisory 1215 Rev B: GTN 650/750, GNS 400W/500W Series, and GNS 480 ADS-B Compliance Issue

All GTN 650/750, GNS 400W/500W Series, and GNS 480 Navigation Systems are affected.

For Garmin Integrated Flight Deck installations, refer to the applicable OEM for 14 CFR 91.227 ADS-B out compatibility guidance.

Refer to 14 CFR 91.227 ADS-B Out Compatible Equipment document (Garmin P/N 190-01533-00) for a list of Garmin products and corresponding software versions that:

  1. comply with AC 20-165A Appendix 2 and AC 20-138C Appendix 4 and;
  2. are eligible for use as an ADS-B Out Position Source meeting the requirements of 14 CFR § 91.227 when installed in accordance with Garmin’s installation instructions.

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