| Acronym | Meaning |
| SDG | Supplier Documentation Group |
| OPTB | Opposite |
| TGA | Trace Gas Analyzer |
| CCTV | Closed Circuit Television |
| TAG | Technical Air-to-Ground |
| SCAMA | Station Conferencing And Monitoring Arrangement |
| PCO | Procuring Contracting Officer |
| PGDCS | Subsystem |
| SPAD | Subsystem Positioning Aid Device |
| OASPL | Overall Sound Pressure Level |