Pilot/Controller Glossary
GROUND-BASED INTERVAL MANAGEMENT-SPACING (GIM
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
S), SPEED ADVISORY- A calculated speed that will allow aircraft to meet the TBFM schedule at en route and TRACON boundary meter fixes.
Retrieved from ecfr.gov on July 18, 2026.