| Acronym | Meaning |
| SBA | Structure Borne Acoustic |
| ICAO | International Civil Aviation Organization |
| O/B | Operational Base |
| FSI | Final Systems Installation |
| FNT | Failure Notification Telex |
| SADEC | Stand-Alone Engine Simulator |
| CWEU | Caution And Warning Electronics Unit |
| IC | Intercomputer Communication |
| OTA | Optical Telescope Assembly |
| DAF | Data Analysis Facility |