| Typicality: | 0.603 |
| Saliency: | 0.500 |
| around an airport | 4 | location |
| in airspace class a | 3 | location |
| aircraft → fly under → instrument flight rules | 12 |
| aircraft → operate under → instrument flight rules | 11 |
| aircraft → operate under → the instrument flight rules | 8 |
| aircraft → be operated under → the instrument flight rules | 4 |
| aircraft → be operated under → instrument flight rules | 4 |
| aircraft → use → instrument flight rules | 3 |
| aircraft → operate on → instrument flight rules | 3 |
| negative | neutral | positive |
| 0.156 | 0.802 | 0.042 |
| Raw frequency | 45 |
| Normalized frequency | 0.500 |
| Modifier score | 0.930 |
| Perplexity | 55.141 |