(2023) Service Bulletin 23048 Rev A: Flight Stream 510 Software Version 2.72

PRODUCTS AFFECTED:

Garmin Flight Stream 510 (011-03595-( )) units with software version 2.71 or earlier are affected.

CERTIFICATION AUTHORIZATION:

TSO Authorization

TSO Authorization does not provide installation airworthiness approval. Separate installation airworthiness approval is required for type-certified aircraft. Notification of revision to any Garmin STC(s) will be provided under a separate service bulletin.

COMPLIANCE:

Optional: This Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable.

PURPOSE:

Flight Stream 510 Software Version 2.72 is functionally equivalent to Flight Stream 510 Software Version 2.71. Flight Stream 510 Software Version 2.72 is required before downgrading software from Software Version 2.80 to any older software version.