| Acronym | Meaning |
| WVIOP | Water Vapor Intensive Observing Period |
| CCRS | Canada Centre For Remote Sensing |
| HMS | Hungarian Meteorological Service |
| RCAG | Remote-controlled Air-to-ground |
| FFP | Firm Fixed Price |
| CAS | Commission For Atmospheric Science |
| MTTF | Mean Time To Failure |
| FICS | Facility Information And Control System |
| HR | Human Resources |
| RFF | Research Flight Facility |