 |
| |||
| A flight for the purpose of investigating the operational and flight characteristics of an aircraft or an aircraft component | |||
| test: 30 phrases in 12 subjects |
| Abbreviation | 13 |
| Computers | 1 |
| Construction | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| Information technology | 2 |
| Military | 5 |
| NASA | 1 |
| Rail transport | 1 |
| Technology | 1 |
| Transport | 2 |
| University | 1 |