O

OCT Onward Clearance Time
OCT Operational Control Terminal (VCS)
OCTF Operation Concept Task Force
OCU Operational Conversion Unit
OCV Operational Coverage Volume *
OCX New Object similar to VBX
OD Organisation and Development (Unit attached to the Director General)
ODA Open Document Architecture
ODAPS Oceanic Display And Planning System *
ODC Office of Defence Cooperation
ODETE On-line Data Exchange Terminal
ODF Oceanic Development Facility (ICAO)
ODIAC,
ODIAC-TF
Operational Development of Initial Air/Ground Data Communications Services
ODID Operational Display and Input Development
ODIF Open Document Interchange Format
ODIN (Swedish) Briefing System (AIS)
ODP ATM Operational Requirements & Data Processing
ODP Open Distributed Processing
ODS Operational Display System (ESCO)
ODS Operator input and Display System / Système d’entrée en machine et d’affichage
(FR)
ODT Operational Requirements and ATM Data Processing Team
ODU Output Distribution Unit
OEC Organe Exécutif Central (CFMU) / Central Executive Unit (=CEU)
OECD Organisation for Economic Co-operation and Development (= OCDE)
OECD Organisation for Economic Co-operation and Development
OEC-Est Organe Exécutif Central pour l’Europe Orientale (FR) (CFMU) / Central
Executive Unit East (=CEU-E)
OEC-Ouest Organe Exécutif Central pour l’Europe Occidentale (FR) (CFMU) / Central