Acronyms: O

Acronym	Name
O&M	Operations and maintenance
O&S	Operating and support
O-QAR	Optical quick access recorder
O21	Ocean21
OAC	Oceanic area control center
OAG	Official Airline Guide
OALT	Operational Acceptable Level of Traffic
OAMP	Off-Line Aircraft Management Program
OAP	Oceanic Automation Program
OAS	Oceanic automation system
OASIS	Operational and supportability implementation system
OASIS	Operational area satellite information system
OASIS	Organic airborne and surface influence sweep
OASYS	Obstacle avoidance system
OAT	Operational acceptance test
OAT	Outside Air Temperature
OAT	Outside air temperature
OATS	Office Automation Technology Services
OATS	Orbit and attitude tracking system
OAW	Off-- airway Weather Station
OAW	Off-airway Weather Station
OBP	Operational build plan
OBS	Omni-bearing Selector
OBS	Omnibearing selector
OBS	Optical bypass switch
OC4J	Oracle Containers for Java Enterprise Edition
OCA	Oceanic control area
OCC	Occasionally connected computing
OCC	Operations control center
OCD	Oceanic clearance delivery
OCDB	Oracle Content Database
OCIG	Oceanic Communications Improvement Group
OCO	Overseas contingency operations
OCP	Oceanic clearance processor
OCTAS	Obstacle cable and terrain avoidance system
ODA	Open document architecture
ODA	Organization Designation Authorization
ODAL	Omnidirectional Approach Lighting System
ODALS	Omnidirectional Approach Lighting Systems
ODAPS	Oceanic Display and Processing Station
ODAPS	Oceanic display and planning system
ODIAC	Operational requirements for ATM air/ground data communications (Eurocontrol)
ODID	Operational display and input development
ODIN	Observe, detect, identify, neutralize
ODL	Oceanic data link
ODL	Optical data link
ODP	Obstacle Departure Procedure
ODRA	Office of Dispute Resolution for Acquisition
ODS	Operational Data Store
OE	Obstacle Evaluation
OE/AAA	Obstruction Evaluation/Airport Airspace Analysis
OEI	One engine inoperative
OEM	Original equipment manufacturer
OEP	Operational Evolution Partnership (FAA)
OEP	Operational Evolution Plan
OEP	Operational Evolution Plan / Partnership
OES	Office of Emergency Services
OETS	Obstacle Evaluation Tracking System
OEU	Overhead electronics unit
OFA	Object Free Area
OFDM	Orthogonal frequency division multiplexing
OFDPS	Oceanic flight data processing system
OFDPS	Offshore Flight Data Processing System
OFP	Operational flight program
OFT	Outer Fix Time
OFZ	Obstacle Free Zone
OGC	Open Geospatial Consortium
OGE	Operational ground equipment
OHA	Operational hazard assessment
OHSC	Overhead stowage compartments
OHU	Overhead unit (HUD)
OI	Operational improvement
OID	Object identifier
OIG	Office of Inspector General (U.S.)
OIG	Office of the Inspector General
OIS	Obstacle Identification Surface
OIS	Operational Information System
OIS	Operational information systems
OIT	Onboard information terminal
OJT	On-the-job training
OLAN	Onboard local area network
OLDI	On-line data interchange
OLED	Organic LED
OM	Outer Marker
OM	Outer marker
OMB	Office of Management and Budget
OMB	Office of Management and Budget (U.S.)
OMEGA	Very Low Radio Navigation System
OMIC	Operations Manager in Charge
OMS	Onboard maintenance system
OMT	Object modeling technique
OMT	Onboard maintenance terminal
ONER	Oceanic Navigational Error Report
ONR	Office of Naval Research (U.S.)
OOA	Object-oriented analysis
OOD	Object-oriented design
OODA	Observe, orient, decide and act
OOOI	Out/off/on/in
OOP	Operations Over People
OPA	Operational performance assessment

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Acronyms: O