Pilot/Controller Glossary
FLIGHT INFORMATION SERVICE-BROADCAST (FIS-B)
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
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.
Retrieved from ecfr.gov on July 18, 2026.