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"The update of file [Low/High] Obstacles has failed" when loading a NavData update on an Avidyne EX500/600/5000 MFD

Created Date:

Mar 2024

Article ID:

000010940

Version:

Environment:

Avionics System/GPS

Document Type(s):

PROBLEM:
A NavData update fails to load on an Avidyne FlightMax EX500/600/5000 MFD and the following messages appear:

The process cannot access the file because it is being used by another process.
The update of file Low Obstacles has failed for unexpected reasons. This data was not updated.
The update of file High Obstacles has failed for unexpected reasons. This data was not updated.
NavData: NavData: Not Installed

CAUSE:
Jeppesen is aware of an issue with macOS Sonoma 14.0-14.3 that can result in errors or SD card and USB flash drive corruption during transfers when the uncommonly used FAT16 file system is used on SD cards and USB drives. To date, it is known that this issue with macOS Sonoma 14.0-14.3 causes errors or USB flash drive corruption during transfers for the Avidyne EX500, EX600, and EX5000 NavData, which results in the Low and High Obstacles files not transferring to the USB flash drive.

RESOLUTION:
This issue no longer occurs in macOS Sonoma, as of version 14.4.

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