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

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