| Acronym | Meaning |
| NTRANS | Metacode Translator |
| HSCT | High Speed Civil Transport |
| IT | Information Technology |
| PSI | Plan Shear Indicator |
| FMS | French Meteorological Society |
| ICPM | International Commission On Polar Meteorology |
| AG | Australia Group |
| NAO | North American Oscillation |
| MASI | Middle Atmosphere Science Initiative |
| CCCS | Change And Configuration Control System |