| Acronym | Meaning |
| NO | Normally Open |
| IP | Instructor Pilot |
| RSMM | Redundant System Monitor Model |
| VFR | Visual Flight Rules |
| HV | High Velocity |
| BER | Bit Error Rate |
| HRL | Horizontal Reference Line |
| CEIT | Crew Equipment Interface Test |
| SMD | Special Measuring Service |
| BP | C&DSCommand And Data Simulator |