| Acronym | Meaning |
| AIMS | Altitude Identification And Measuring System |
| EAU | Extended Arithmetic Unit |
| TRU | Test Replaceable (repairable) Unit |
| IPL | Initial Program Load |
| TARPS | Tactical Airborne Reconnaissance Program System |
| MDCS | Maintenance Data Collection System |
| FLR | Field Level Repairable |
| BUNO | Bureau Number (navy Acft Id Number) |
| CLS | Contractor Logistics Support |
| HICANS | High Speed Collision Avoidance And Navigation System |