NASA Acronyms

Alphabetical Listing of NASA Acronyms

• OAS — Orbiter Aeroflight Simulator
• OAS — Orbiter Atmospheric Simulator
• OAS — Orbiter Avionics System
• OASCB — Orbiter Avionics Software Control Board
• OASIS — Oceanic And Atmospheric Scientific Information System
• OASPL — Overall Sound Pressure Level
• OAST — Office Of Aeronautics And Space Technology
• OAT — Operational Acceptance Test
• OAT — Overall Test
• OB — Onboard
• OB — Operational Base
• OB — Outboard
• OBC — Onboard Computer
• OBCO — Onboard Checkout (Instrumentation)
• OBCS — Onboard Checkout Subsystem
• OBS — Observe
• OBS — Operational Bioinstrumentation System
• OBS — Operational Bioinstrumentation System
• OBS — Operational Biomed Sensors
• OBS — Operational Biomedical System
• OBV — Oxidizer Bleed Valve
• OC — On Center
• OC — On-Condition
• OC — Open Circuit
• OC — Orbital Check
• OC — Overcurrent
• OC — Quality Control
• OCALC — Oklahoma City Air Logistics Center
• OCC — Office Of Contract Compliance
• OCC — Operations Control Center
• OCD — Operational Capability Development
• OCDR — Orbiter Critical Design Review
• OCDU — Optics Coupling Data Unit (G&N)
• OCE — Ocean Color Experiment
• OCF — Onboard Computational Facility
• OCF — Orbiter Computational Facilities
• OCH — Orbiter Common Hardware
• OCM — Organic Content Monitor
• OCN — Order Control Number
• OCO — OMS Cutoff
• OCO — Open-Close-Open
• OCP — Output Control Pulse
• OCR — Optical Character Recognition
• OCRM — Orbiter Crash And Rescue Manuals
• OCS — Onboard Checkout System
• OCT — Octal
• OD — Operational Downlink/Downlist
• OD — Operations Directive
• OD — Outside Diameter
• OD — Oxygen Drain
• ODB — Operational Data Book
• ODC — Other Direct Costs
• ODCDR — Orbiter Delta CDR
• ODDS — Operational Data Delivery Services
• ODES — Optical Discrimination Evaluation Study
• ODF — Orbit Determination Facility
• ODIN — Orbital Design Integration (System)
• ODP — Operational Display Procedure
• ODR — OutPut Data Redundancy
• ODRAN — Operational Drawing Revision Advance Notice
• ODU — Output Display Unit
• OEAS — Orbital Emergency Arresting System
• OECO — Outboard Engine CLjtoff
• OEM — Original Equipment Manufacturer
• OES — Orbiter Emergency Site
• OESS — Orbiter/ET Separation Subsystem
• OEX — Orbiter Experiments
• OEX — Orbiter Experiments
• OF — Operational FWD DSC Or MDM
• OF — Operational Instrumentation MDM-FWD
• OF — Orbital Flight
• OF — Outside Face
• OF — Oxidizer-to-Fuel Ratio
• OF — Oxygen Fill
• OFCC — Office Of Federal Contract Compliance
• OFDS — Orbiter Flight Dynamics Simulator
• OFDS — Oxygen Fluid Distribution System
• OFI — Operational Flight Instrumentation
• OFI — Operational Flight Instrumentation
• OFK — Officiaf Flight Kit
• OFK — OPtical Flight Kit
• OFM — Original Equipment Manufacturer
• OFP — Operational Flight Profile
• OFP — Operational Flight Program
• OFP — Orbiter Flight Program
• OFS — Orbital (Orbiter) Flight System
• OFS — OrbiterFunctionalSimulator
• OFT — Orbital Flight Test
• OFTDS — Orbital Flight Test Data System
• OFTM — On-Orbit Flight Technique Meeting
• OFTR — Orbital Flight Test Requirement
• OG — Outer Gimbal (Roll)
• OG — Oxygen Gage
• OG — Zero Gravity
• OGA — Outer Gimbal Angle
• OGA — Outer Gimbal Axis
• OGE — OperatingGroundEquipment
• OGMT — Orbiter GreenwichMeanTime
• OGS — Outer Glideslope
• OGS — Oxygen Generation System