Updates & Downloads

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G5-STC Electronic Flight Instrument (Other Operating Systems) software version 7.21

as of September 28, 2021

Download (936 KB)

View installation instructions

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Change History

Changes made from version 6.82 to 7.21:

• Added support for GAD 29C GPS/Navigation data interface adapter
• Added additional data to SD card flight data logging
• Improved battery charging control
• General improvements to system operation
• Includes update to GAD 29B software version 3.40
• Includes update to GSA 28 software version 4.90/2.20
• Includes update to GMC 507 software version 3.00
• Includes update to GMU 11 software version 2.10
• Includes update to GAD 13 software version 2.10
• Includes GAD 29D software version 2.10

Changes made from version 6.73 to 6.82:

• Added support for new battery model
• General improvements to system operation
• Includes update to GAD 29 software version 3.30
• Includes GSA 28 software version 4.80
• Includes GMC 507 software version 2.90
• Includes GMU 11 software version 2.00
• Includes GAD 13 software version 2.00

Changes made from version 6.72 to 6.73:

• Added additional autopilot configuration options
• Includes update to GSA 28 software version 4.80
• Includes GMC 507 software version 2.90
• Includes GAD 29 software version 3.20
• Includes GMU 11 software version 2.00
• Includes GAD 13 software version 2.00

Changes made from version 6.70 to 6.72:

• Improved VLOC navigation aiding
• Includes GSA 28 software version 4.70
• Includes GMC 507 software version 2.90
• Includes GAD 29 software version 3.20
• Includes GMU 11 software version 2.00
• Includes GAD 13 software version 2.00

Changes made from version 6.60 to 6.70:

• Added additional autopilot configuration options
• General improvements to system operation
• Includes update to GSA 28 software version 4.70
• Includes GMC 507 software version 2.90
• Includes GAD 29 software version 3.20
• Includes GMU 11 software version 2.00
• Includes GAD 13 software version 2.00

Changes made from version 6.40 to 6.60:

• Added additional autopilot configuration options
• Improved GMC 507 calibration procedure
• Improved navigation source selection from G5 #2
• Improved density altitude display
• Improved NMEA GPRMC sentence output
• General improvements to system operation
• Includes update to GSA 28 software version 4.60
• Includes GMC 507 software version 2.90
• Includes GAD 29 software version 3.20
• Includes GMU 11 software version 2.00
• Includes GAD 13 software version 2.00

Changes made from version 6.20 to 6.40:

• Added support for G3X system configurations with no ADAHRS LRUs
• Added support for sending GAD 13 OAT data over ARINC 429
• Added attitude / air data miscompare monitoring and annunciation
• Added support for Piper Altimatic IIIC autopilot
• Changed VNAV mode interaction with selected altitude
• Improved flight director display and post-installation tests
• Improved SD card flight data logging
• Improved processing of RS-232 VLOC navigation data in G3X system
• General improvements to system operation
• Includes update to GMC 507 software version 2.90
• Includes update to GSA 28 software version 4.50
• Includes update to GAD 29 software version 3.20
• Includes GMU 11 software version 2.00
• Includes GAD 13 software version 2.00

Changes made from version 6.00 to 6.20:

• Added outside air temperature and true airspeed display to PFD page
• Added wind display to HSI page
• Added display of selected course to HSI page, replacing groundspeed field
• Added status message to indicate when an LRU software update is in progress
• Added attitude diagnostic page
• Added GFC600 ARINC 429 input and output formats
• Added 'Airdata' ARINC 429 input format
• Added additional expert-level autopilot gain configuration
• Improved G500/TXI interface
• Improved GPS data processing
• Improved formatting of position fields in NMEA RS-232 output
• Improved flight director VOR/LOC capture during post-installation ground test
• Improved powerdown process
• General improvements to system operation
• Includes update to GSA 28 software version 4.40
• Includes GAD 29 software version 3.10
• Includes GMC 507 software version 2.80
• Includes GMU 11 software version 2.00
• Includes GAD 13 software version 2.00

Changes made from version 5.70 to 6.00:

• Improved VOR TO/FROM flag operation for NAV radios connected via RS-232
• General improvements to system operation
• Includes update to GAD 29 software version 3.10
• Includes update to GMC 507 software version 2.80
• Includes update to GSA 28 software version 4.30
• Includes GMU 11 software version 2.00

Changes made from version 5.60 to 5.70:

• Improved GMC 507 pre-flight test processing
• General improvements to system operation
• Includes update to GMC 507 software version 2.60
• Includes GAD 29 software version 3.00
• Includes GMU 11 software version 2.00
• Includes GSA 28 software version 4.10

Changes made from version 5.50 to 5.60:

• Improved contrast of vertical deviation indicator
• Improved flight director command display across multiple displays that use different attitude sources
• Improved NMEA date/time output prior to initial GPS fix
• Improved GMC 507 attitude monitoring
• General improvements to system operation
• Includes update to GMC 507 software version 2.50
• Includes GAD 29 software version 3.00
• Includes GMU 11 software version 2.00
• Includes GSA 28 software version 4.10

Changes made from version 5.20 to 5.50:

• Added support for G500/TXI integration
• Added support for GTN VNAV guidance
• Added config mode indication that aircraft is in motion during magnetometer calibration
• Improved CAN bus error reporting
• Improved VHF NAV radio RS-232 OBS course data output
• General improvements to system operation
• Includes update to GMC 507 software version 2.40
• Includes GAD 29 software version 3.00
• Includes GMU 11 software version 2.00
• Includes GSA 28 software version 4.10

Changes made from version 5.00 to 5.20:

• Added support for GSA 28 yaw damper in certified aircraft installations
• Improved GAD 29B analog heading/course datum outputs
• Improved battery status display
• Changed glideslope deviation to be hidden when not flying inbound on localizer course
• General improvements to system operation
• Includes update to GMC 507 software version 2.20
• Includes update to GSA 28 software version 4.10
• Includes GAD 29 software version 3.00
• Includes GMU 11 software version 2.00

Changes made from version 4.10 to 5.00:

• Added support for GMC 507 AFCS mode control panel
• Added support for GSA 28 trim servos
• Added support for flight director VOR, LOC, and GS modes
• Added display of AFCS pre-flight test status
• Added support for additional configuration for certified aircraft installations
• Added ability to display AFCS data on all displays when multiple displays are present
• Improved status message display
• Improved ESP operation
• General improvements to system operation
• Includes update to GMC 507 software version 2.10
• Includes update to GSA 28 software version 4.00
• Includes GAD 29 software version 3.00
• Includes GMU 11 software version 2.00

Changes made from version 3.20 to 4.10:

• Added support for GAD 29B and analog autopilot interface with GPSS
• Added option to configure roll indicator for sky pointer or ground pointer
• Added ability to adjust pitch/roll calibration without leveling aircraft
• Added ability to configure unit yaw installation offset for use in angled panels
• Added display of battery status on backlight adjustment page
• Added 'EFIS/Airdata 2' ARINC 429 output format
• Changed battery status display when battery is unable to charge
• Changed selected track bug symbol
• Improved heading tape bug indicator display
• Improved altitude display when adjusting baro setting
• Improved HSI page data field display
• Improved configuration of hectopascal pressure units
• General improvements to system operation
• Includes GAD 29 software version 3.00
• Includes GMU 11 software version 2.00
• Includes GSA 28 software version 3.20

Changes made from version 3.10 to 3.20:

• Improved display of battery status
• Improved attitude calculation
• General improvements to system operation
• Includes GAD29 software version 2.30
• Includes GMU11 software version 2.00
• Includes GSA28 software version 3.20

Changes made from version 2.70 to 3.10:

• Added support for GMU11 magnetometer
• Added ability to reset to factory defaults
• Added auto-slew support to sync VLOC course when switching from GPS to VLOC
• Improved VHF radio VOR bearing display
• Improved display of HDG and GPS fields on PFD
• Improved display of LOI/DR and MSG/WPT indicators on HSI
• Save PFD heading bug, track bug, and VLOC course through power cycles
• General improvements to system operation
• Includes GAD29 software version 2.30
• Includes GMU11 software version 2.00
• Includes GSA28 software version 3.20

Changes made from version 2.60 to 2.70:

• Improved GPS aiding from GTN and GNS navigators
• General improvements to system operation

Changes made from version 2.40 to 2.60:

• Added configuration option to disable VLOC course selection on standalone unit
• Changed VLOC course to use decoded OBS setting from MapMX input, if available
• Changed flight director TO mode to disengage autopilot when activated
• Changed flight director GA mode to disengage autopilot if minimum airspeed limit is not configured
• Improved attitude calculation
• General improvements to system operation
• Includes GSA 28 software version 3.20

Changes made from version 2.20 to 2.40:

• Added display of CDI scale and GPS navigation source annunciations to HSI
• Added support for Text Out RS-232 format
• Added configuration setting to allow display of navigation data with a GDU display is present
• Added configuration setting to hide HSI page
• Added configuration setting to hide navigation data
• Added configuration setting to inhibit user pitch offset
• Added synchronization of TRK bug between multiple units
• Improved flight director GPS mode when IFR GPS is navigating a heading leg
• Improved attitude sensor processing
• Improved GPS receiver performance
• Improved GSA 28 software update process
• Improved visibility of VNAV deviation indicator
• Improved horizontal and vertical deviation data
• General improvements to system operation
• Includes GSA 28 software version 3.20

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Installation Instructions

1. Download the compressed update file onto your hard drive and extract it (.zip format).
2. Insert a FAT32-formatted micro SD card with at least 20 MB of free space into your card reader.
3. Copy the ''Garmin'' folder to the top level (root directory) of the SD card.
4. Safely eject the SD card.
5. Apply power to your G5 Electronic Flight Instrument.
6. Insert the SD card containing the software update. You will be prompted to confirm before the update is installed.
7. During the software update, the G5 will indicate ''Loading''. Do not remove power during the update process.
8. When the update is completed, the G5 will reset itself and turn on normally.
9. Repeat steps 6-8 for each G5 unit in the aircraft.

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