English abbreviations from osx to otan
- OSX (Kosciusko-Attala County Airport)
- OSY (Namsos Airport, Høknesøra)
- o symptoms (Zero symptoms)
- OSZ (Ottawa Ski Zone)
- OT (Occupational therapy)
- O.T. (Old Testament)
- OT&E (Operational Test and Evaluation)
- OT3 (One True 3-some (Threesome))
- OTA (overflight top attack)
- OTAC (Orthodontic Technicians Association Conference)
- OTAG (Ozone Transport Assessment Group)
- OTAI (Over-The-Air Initialization)
- OTAN (Organisation du Traité de l'Atlantique Nord)