| Acronym | Meaning |
| NERC | National Environment Research Council |
| ADP | Automatic Data Processing |
| TRIP | Thunderstorm Research International Program |
| ESTP | Exploratory Shaft Test Plan |
| EM | Evaluation Model |
| LDAP | Lightweight Directory Access Protocol |
| SND | Skewed Normal Distribution |
| RATS | Real-time Aircraft Tracking System |
| GSF | Gross Square Feet |
| A/I | Accident/incident |