| CWP | Controller Working Position |
| FIR | Flight Information Region |
| FL | Flight Level |
| FPL | Flight Plan |
| ICAO | International Civil Aviation Organization |
| LoA | Letter of Agreement |
| SDD | Situational Data Display (previously called CWP in IvAc v1) |
| TA | Transition Altitude |
| TRL | Transition Level |