Spaceflight Abbreviations and Acronyms

1. OIT
   orbiter integration test
2. OIVS
   Orbiter Interface Verification Set
3. OLOW
   Orbiter Lift-Off Weight
4. OLSP
   Orbiter Logistics Support Plan
5. OM
   Orbiter Main Engine
6. OM
   Orbital Maneuvering Engine
7. OMA
   Orbiter Maintenance Area
8. OMCF
   Orbiter Maintenance & Checkout Facility
9. OMDP
   Orbiter Maintenance Down Period
10. OME
    Orbiter Main Engine
11. OME
    Orbital Maneuvering Engine
12. OMET
    Orbiter Mission Elapsed Time
13. OMEWG
    Orbiter Maintenance Engineering Working Group
14. OML
    Orbiter Mold Line
15. OMR
    Orbiter Management Review
16. OMRF
    Orbiter Maintenance and Refurbishment Facility
17. OMRF
    Orbiter Modification and Refurbishment Facility
18. OMS
    Orbital Maneuvering System
19. OMV
    Orbital Maneuvering Vehicle
20. ONBT
    Orbiter Neutral Buoyancy Trainer

Last updated: May 24, 2020 — Total entries: 1,156