| Acronym | Meaning |
| SSE | Subsystem Element |
| CC | Crew Compartment |
| NOR | Northrup Flight Strip |
| FIO | Furnished And Installed By Others |
| QACAD | Quality Assurance Corrective Action Document |
| DEF | Definition |
| DI | Display Interface Processor (Software Functional Element) |
| LHCP | Left Hand Circular Polarization |
| HGDS | Hazardous Gas Detection System |
| NR | Noise Rating |