| Acronym | Meaning |
| CSL | Command Signal Limiter |
| ADC | Affiliated Data Center |
| OTP | Operations Turnaround Plan |
| RSCIE | Remote Station Communication Interface Equipment |
| RFW | Request For Waiver (Deviation) |
| TCTI | Time Compliance Technical Instruction |
| TIFS | Total In-Flight Simulator |
| PCCN | Provisioning Contract Control Number |
| D/VD | Data/Voice Data |
| DDU | Data Display Unit |