| Acronym | Meaning |
| AHU | Air Handling Unit |
| PTI | Preliminary Test Information |
| MSEC | Master Separation Events Controller |
| PIM | Pulse Interval Modulation |
| MS | Multistring |
| SEPAR | Shuttle Electrical Power Analysis Report |
| PGWG | Particles And Gasses Working Group |
| MDDS | Material Directory Data Sheet |
| TASPR | Total Air Temperature |
| CA | Carrier Aircraft |