firstFreeFlightDate
P198918
predicate
Indicates the date on which an entity (such as an aircraft, spacecraft, or similar vehicle) conducted its first free, unrestrained flight.
Sample triples (3)
| Subject | Object |
|---|---|
|
Enterprise (OV-101 test vehicle)
surface form:
Enterprise (OV-101)
|
1977-08-12 ⓘ |
| Enterprise (test orbiter) | 1977-08-12 ⓘ |
| VS-300 | 1940-05-13 ⓘ |