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(2012) Service Bulletin 1225: GNS 400W / 500W Series Unit’s Software Upgrade to Main Software Version 5.00 and GPS Software 5.0


PRODUCTS AFFECTED

GPS 400W, GNC 420W, GNS 430W, GPS 500W, and GNS 530W units with Software Version 4.01 or prior

COMPLIANCE

Fixed Wing Aircraft: Optional – users may install this software at their discretion, consistent with the previously noted regulatory approvals and is not warranty reimbursable. 

Rotary Wing Aircraft with Garmin HTAWS previously installed: Mandatory – warranty labor reimbursable for installation in GNS 400W / 500W units with Garmin HTAWS. 

PURPOSE

This Service Bulletin announces the availability of new GNS 400W / 500W Series Unit’s Software version 5.00 and GPS/WAAS Software Version 5.0. 

Note: Main Software Version 5.00 has TSOA but has not received airworthiness approval under any Garmin-owned STC as of this date. It is the responsibility of the installer to verify airworthiness. 

DESCRIPTION

This software service bulletin describes the process for upgrading the GNS 400W / 500W Series Unit’s Main Software to version 5.00 and upgrading the GPS Software to version 5.0.


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