| Acronym | Meaning |
 | NHL | National Hockey League |
| PPQT | Pre-Production Qualification Test |
| NNE | North North-East |
| FLIP | Flight Information Publication |
| IMT | Integrated Management Tool |
| UMK | Uniwersytet Miko?aja Kopernika (Polish Nicolaus Copernicus University) |
| LULU | Locally Unwanted Land Use (urbanism) |
| CAVOK | Ceiling And Visibility OK (Kav-okay) |
| HMM | Hidden Markov Model |
| STANAG | (NATO) Standardisation Agreement |
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