| Acronym | Meaning |
| NOMINAL | PerNominal Percent Defective |
| KCAS | Knots Calibrated Airspeed |
| IDRD | Internal Data Requirement Description |
| PTDDSS | PTD Data Selection Sheet |
| SPS | Shuttle Procedures Simulator |
| TACO | Test And Checkout Operations |
| T | Time |
| OSDH | Orbiter System Definition Handbook |
| CVT | Communications Vector Table |
| PCL | Power Control List |