| Acronym | Meaning |
| PNEU | Pneumatic |
| CMOS | Complementary Metal Oxide Silicon |
| DP&SS | Data Processing And Software Subsystem |
| CUP | Commonality Usage ProPosal |
| PLACE | Position Location Aircraft Communications |
| EVS | Equipment VisibilitY System |
| ISSUING | AgeIssuing Agency |
| F | Failure |
| EBS | Emergency Breathing Subsystem |
| T&M | Time And Materials |