firstCrewedTestFlightYear
P29512
predicate
Indicates the calendar year in which an entity conducted its first test flight involving a human crew.
Sample triples (1)
| Subject | Object |
|---|---|
| Commercial Crew Program | 2020 → |
P29512
predicate
Indicates the calendar year in which an entity conducted its first test flight involving a human crew.
| Subject | Object |
|---|---|
| Commercial Crew Program | 2020 → |