Pilot/Controller Glossary
Glossary of terms used in communication between pilots and air traffic controllers
📢 This glossary was created to be a dynamic version of the Pilot/Controller Glossary published by the FAA. Because the FAA now maintains its own dynamic version of the Pilot/Controller Glossary, this version is no longer updated.
- OBSTACLE
- OBSTACLE DEPARTURE PROCEDURE (ODP)
- OBSTACLE FREE ZONE
- OBSTRUCTION
- OBSTRUCTION LIGHT
- OCEANIC AIRSPACE
- OCEANIC ERROR REPORT
- OCEANIC PUBLISHED ROUTE
- OCEANIC TRANSITION ROUTE
- ODP
- OFF COURSE
- OFF-ROUTE OBSTRUCTION CLEARANCE ALTITUDE (OROCA)
- OFF-ROUTE VECTOR
- OFFSET PARALLEL RUNWAYS
- OFFSHORE/CONTROL AIRSPACE AREA
- OFT
- OM
- ON COURSE
- ON-COURSE INDICATION
- ONE-MINUTE WEATHER
- OPERATIONAL
- OPERATIONS SPECIFICATIONS [ICAO]
- OPPOSITE DIRECTION AIRCRAFT
- OPTION APPROACH
- ORGANIZED TRACK SYSTEM
- OTR
- OTS
- OUT
- OUT OF SERVICE/UNSERVICEABLE (U/S)
- OUTER AREA
- OUTER COMPASS LOCATOR
- OUTER FIX
- OUTER FIX ARC
- OUTER FIX TIME
- OUTER MARKER
- OVER
- OVERHEAD MANEUVER
- OVERLYING CENTER