| English thesaurus | |||
| |||
| OBS | |||
|
On-Board : 134 phrases in 24 subjects |
| American usage, not spelling | 2 |
| Astronautics | 1 |
| Aviation | 11 |
| Business | 1 |
| Business style | 6 |
| Construction | 1 |
| Diplomacy | 2 |
| Ecology | 1 |
| Economics | 23 |
| Finances | 2 |
| General | 30 |
| ICAO | 1 |
| Insurance | 2 |
| Law | 16 |
| Marketing | 1 |
| Microelectronics | 3 |
| Military | 23 |
| Missiles | 1 |
| Oil and gas | 1 |
| Procurement | 1 |
| Space | 1 |
| Sports | 1 |
| Technology | 1 |
| Transport | 2 |