| Acronym | Meaning |
![](file.png) | PA | Paging And Area Warning |
![](file.png) | MG | Magnesium |
![](file.png) | IOB | InPut/Output Buffer (if Bus |
![](file.png) | HMA | Hypergot Maintenance Area |
![](file.png) | NAVAID | Navigation Aid |
![](file.png) | MDCS | Maintenance Data Collection System |
![](file.png) | SSFL | Santa Susana Field Laboratory |
![](file.png) | DCC | Display COMPuter Control Unit |
![](file.png) | CDU | Control And Display Unit |
![](file.png) | DAR | Digital Autopilot Requirements |