| with many navigational aids | 5 | other |
| at the cruising altitudes | 2 | location |
| aircraft → fly → ifr | 10 |
| aircraft → fly under → ifr | 5 |
| negative | neutral | positive |
| 0.190 | 0.671 | 0.139 |
| Raw frequency | 15 |
| Normalized frequency | 0.297 |
| Modifier score | 0.767 |
| Perplexity | 174.170 |