| Acronym | Meaning |
![](file.png) | RPTA | Rudder Pedal Transducer Assembly |
![](file.png) | CTSD | Coordinate Transformation SYstem |
![](file.png) | R | Receive |
![](file.png) | SS | System Specification |
![](file.png) | UPP | User Parameter Processing |
![](file.png) | GCIL | Ground Control Interface Logic |
![](file.png) | SMD | Special Measuring Service |
![](file.png) | ISI | Instrumentation Support Instruction |
![](file.png) | CL | Close (Closed) |
![](file.png) | TDR | Technical Design Review |