| Acronym | Meaning |
| MAC | Military Airlift Command |
| AVB | Avionics Bulletin (tdc 55) |
| DF | Direction Finder |
| ABECL | Left Engine Abec |
| CPD | Consolidated Procurement Directive (ntec-3930/27) |
| PFCS | Primary Flight Control System |
| EC | Electronic Combat |
| SSFC | Solid State Frequency Changer |
| BETA | Battlefield Exploitation And Target Acquisition |
| RFSS | Radio Frequency Switching System |