Updates & Downloads

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GDL 39 software version 4.91

as of April 9, 2020

Use WebUpdater to install this file.

(1.56 MB)

Notes:

• The unit must be connected to external power before attempting an update.
• GPSMAP39x and GPSMAP49x units are unable to update this product.
• WARNING: If this software is uploaded to a device other than that for which it is designed, you will not be able to operate that device.
• If attempts to upload software fail, you may need to return the device to Garmin® for service.

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Change History

Changes made from version 4.90 to 4.91:

• Corrected a communications issue with Garmin portable aviation devices.

Changes made from version 4.81 to 4.90:

• Fix a traffic bug that could prevent some targets from being displayed.
• Improve ADS-B Compliance tool to function more consistently without a GPS fix.

Changes made from version 4.80 to 4.81:

• FIS-B improvements.
• Fixed bug where Bluetooth 'compatibility mode' setting in Garmin Pilot was not being applied.

Changes made from version 4.70 to 4.80:

• iOS 10 NMEA sentence compatibility changes.

Changes made from version 4.60 to 4.70:

• Improved ADS-B own-ship shadow detection.

Changes made from version 4.50 to 4.60:

• Improved portables Connext support.

Changes made from version 4.40 to 4.50:

• Display all non-performing emitters.
• Improved own-ship shadow correlation.
• Fixed issues with dual link ADS-B transmitters.
• Fixed ADS-B Compliance issues with version 1 targets and when the GDL39 does not have a GPS fix.
• Connext improvements.

Changes made from version 4.30 to 4.40:

• Fixed version number that was affecting software updates from portables.

Changes made from version 4.20 to 4.30:

• Added ADS-B Compliance tool.

Changes made from version 4.10 to 4.20:

• Fixed issue that prevented NMEA sentences from being broadcast to non-Garmin iOS apps.
• Bluetooth updates.

Changes made from version 4.00 to 4.10:

• Fixed issue with G3X Touch compatibility.

Changes made from version 3.10 to 4.00:

• Added Connext support.
• Bluetooth updates.

Changes made from version 3.01 to 3.10:

• Improved GDL 39 3D performance.

Changes made from version 3.00 to 3.01:

• Minor improvement for GDL 39 3D display interface.

Changes made from version 2.90 to 3.00:

• Processing Enhancements.

Changes made from version 2.80 to 2.90:

• Traffic processing improvements.

Changes made from version 2.51 to 2.80:

• Fixed 1090ES TIS-B/ADS-R service status annunciation.
• External GPS input support.
• Fixed known Bluetooth pairing issues.
• Added automatic Bluetooth pairing.

Changes made from version 2.50 to 2.51:

• Added Bluetooth support for aera 79x series.

Changes made from version 2.40 to 2.50:

• Fixed issue with FIS-B NEXRAD processing above latitudes of 60 degrees.
• Fixed issue that prevented NMEA sentences from being broadcast to multiple connected displays.
• Fixed incorrect UAT timestamps that were applied after long periods of uptime.

Changes made from version 2.30 to 2.40:

• Improved data throughput on secondary serial port.

Changes made from version 2.20 to 2.30:

• Improved ownship shadow detection and track handling.

Changes made from version 2.10 to 2.20:

• Improved ownship shadow detection and improved FIS-B processing.