Aerospace Engineering Abbreviations and Acronyms

1. OSTP
   Orbiting System Test Plan
2. OSTS
   Office of Space Transportation Systems
3. OTB
   Orbiting Tanker Base
4. OTC
   Orbiter Test Conductor
5. OTD
   Orbiter Test Director
6. OTE
   Orbital Transfer Equipment
7. OTLC
   Orbiter Time Line Constraiqt
8. OTOS
   Orbit-To-Orbit Stage
9. OTOS
   Orbit-Do-Orbit Stage
10. OTS
    Orbital Test System
11. OTS
    Orbital Transfer Swstem
12. OTS
    Orbiter Test Conductor
13. OTV
    Orbital Transfer Vehicle
14. OTV
    Orbit Test Vehicle
15. OUT
    Orbiter Utility Tray
16. OV
    Orbiter Vehicle
17. OV
    Orbital Vehicle
18. OVEI
    Orbiter Vehicle End Item
19. PACS
    Pointing and Attitude Control System
20. PAD
    Propellant Acquisition Device

Last updated: May 24, 2020 — Total entries: 1,638