Garmin has limited support for its GNS 430 and 530 legacy products, primarily due to parts supply issues for their 25-year-old technology, particularly impacting display repairs for the GNS 430.

Supply-chain issues will limit parts for Garmin GNS 430/530 repairs, so the company is urging customers to upgrade to newer avionics units. Garmin is warning that parts to repair GNS 430/530 avionics ...

GARMIN INTERNATIONAL GNS 430 units (Docket No. 99-CE-87-AD; Amendment 39-12516; AD 2001-23-17) - requires on certain units installed on aircraft, modifiction of the ...

GARMIN ALERTS OPERATORS OF FIXES NECESSARY ON GNS 430 UNITS - Garmin last week issued a service alert warning pilots to refrain from flying under instrument flight rules when operating an aircraft ...