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To ensure continued compatibility between the ICON A5 on board computer system and the Garmin G3X, ICON Aircraft Engineering performs ground and flight testing on each new Garmin G3X software release. This service letter is intended to communicate that the ground and flight testing has been completed. ICON Aircraft has determined that the Garmin G3X software version 9.31 is compatible with the ICON A5 computer system and authorizes the update and use of the 9.31 software. If there are any questions, please contact an ICON Aircraft Customer Advocate.

https://www.iconaircraft.com/wp-cont...tware-9.31.pdf

S/N: 00073, 00139 – 00146, 00148 – 00195, 00197 – 00206
TIME OF COMPLIANCE: Before the next flight