| Similarity | Rank | |
|---|---|---|
| twin-engine | 0.885 | 92072 |
| 707s | 0.858 | 83736 |
| passenger-carrying | 0.853 | 87867 |
| dc-6 | 0.851 | 81004 |
| v-bombers | 0.850 | 70916 |
| horsa | 0.850 | 79157 |
| xb-70 | 0.849 | 68782 |
| wide-bodied | 0.843 | 89709 |
| dc-8 | 0.843 | 88685 |
| tornados | 0.842 | 65612 |
| lighter-than-air | 0.838 | 99347 |
| t-6 | 0.836 | 81002 |
| rafm | 0.835 | 95894 |
| refuelling | 0.835 | 88548 |
| mid-flight | 0.834 | 89608 |
| single-seater | 0.832 | 63936 |
| single-engined | 0.831 | 48214 |
| f-14 | 0.830 | 82452 |
| anti-ship | 0.830 | 98395 |
| ex-military | 0.827 | 63681 |
| trislander | 0.824 | 61504 |
| naa | 0.824 | 79038 |
| multi-role | 0.824 | 99912 |
| awacs | 0.823 | 70830 |
| re-equipped | 0.823 | 58121 |