OCIC Operations Control Incident Centre
OCL Obstacle Clearance Limit (ICAO)
OCL Oceanic CLearance delivery
OCM Oceanic Clearance Message
OCP Operational Computer Programme
OCP Obstacle Clearance Panel
OCR Operational and Certification Requirements
OCR Optical Character Recognition
OCR TF Operational and Certification Requirements Task Force
OCS Operational Control Segment
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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
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