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FLIGHT INFORMATION SERVICE-BROADCAST (FIS-B)

Weather Services

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FIS-B

A ground broadcast service provided through the ADS-B Broadcast Services network over the UAT data link that operates on 978 MHz. The FIS-B system provides pilots and flight crews of properly equipped aircraft with a cockpit display of certain aviation weather and aeronautical information.

Source FAA Pilot/Controller Glossary · checked 2026-08-25

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