| Acronym | Meaning |
![](file.png) | PBT | PolyButylene Terephthalate |
![](file.png) | BUNO OR BUNO | Bureau Number (aircraft Serial Number) |
![](file.png) | NISCAP | NSA Information System Certification And Accreditation Program |
![](file.png) | AIRS | Aerometric Information Retrieval System (obsolete; Replaced With AFS) |
![](file.png) | KK | Kazakh Language (ISO 639-1 Code) |
![](file.png) | TS | Tsonga Language (ISO 639-1 Code) |
![](file.png) | FIN | Finnish Language (ISO 639-2 Code) |
![](file.png) | OTSBH | Over The Shoulder Boulder Holder |
![](file.png) | B2B | Business-to-business Electronic Commerce |
![](file.png) | ISAF | International Sailing Federation - International Security Assistance Force |