| Acronym | Meaning |
| I/O | Input/ouput |
| JTSS | Jvx (v-22) Test Support Software |
| READS | Requirements Entry Allocation Decomposition System |
| XMTR | Transmitter |
| VSC | Vast System Change (tdc 85) |
| DRD | Data Requirements Description |
| PRGB | Proprotor Gearbox |
| CDPR | Compressor Discharge Pressure Right Engine |
| R | Right |
| RIU | Radar Interface Unit |