Launch, orbit & landing data:
| Launch vehicle | X-15-3 Flight Nº: 64 |
| Launch date - time | 17 Oct 1967 - 16:40 UTC (from B-52) |
| Launch site | Smith Ranch Lake |
| Airplane carier | B-52 |
| X-15 ID | 3-64-95 |
| Mass (kg) | kg |
| Mission | Crewed suborbital test flight |
| Pilot | William Knight |
| Suborbital flight: | |
| High Apogee | 85.496 km |
| Max Speed | 6.204? km/h |
| Landing date - time | 17 Oct 1967 - 17:50 UTC |
| Landing location | |
| Flight duration | 10m 06s |
William Knight before X-15. Photo credit: NASA