| Acronym | Meaning |
| ILC | International Latex Corporation |
| PMON | Performance Management Operations Network |
| PM | Preventive Maintenance |
| EBS | Emergency Breathing Subsystem |
| HO | Hydrogen-OxYgen |
| FAD | Final Approach Display |
| SSIBD | Shuttle System Interface Block Diagram |
| SAS | Stimuli Analog Refresh Table |
| HYG | LHypergolic |
| OH | Overhaul |