| Acronym | Meaning |
| CTSD | Coordinate Transformation SYstem |
| LPG | Last Page Generator (Distribution List Used In All OMT'S) |
| EOW | Energy Over Weight |
| POPU | Push Over Pull Up |
| EBCDC | Extended Binary Coded Decimal |
| PI | Program Introduction |
| VEH | ID Vehicle Identification |
| PREP | Prepare |
| ORP | OFS Retransmission Processor |
| GOC | GrGOCGround Operations Coordinator |