| Acronym | Meaning |
| HS-C | Hamilton Standard CO Absorbent Material |
| NITROGEN | GNitrogen Gage |
| FC | Flight Critical |
| REL | Relative |
| SAMSO | Space And Missile SYstems Organization (USAF) |
| STC | Standard Test Configuration |
| DAP | Digital Autopilot |
| RFEI | Request For Engineering Information |
| PSA | Provisions Stowage Assembly |
| LOB | Line Of Balance |