| Acronym | Meaning |
| MHSC | Manipulator Handset Controller |
| IWG | Investigator Working Group |
| LCO | MMCUniform Central Number |
| MHZ | Megahertz (Megacycles Per Second) |
| PIPA | Pulse Integrating Pendulum Assembly |
| RTD | Rate Damping |
| SCM | System Control Module |
| HFCT | Hydraulic Flight Control Test |
| EAD | ElectricallY Alterable Device |
| PPM | Part Per Minute |