X-15 Flight 90
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Mission typeTest flight
OperatorUS Air Force/NASA
Mission duration11 minutes, 24 seconds
Distance travelled534 kilometers (332 mi)
| Mission type | Test flight |
|---|---|
| Operator | US Air Force/NASA |
| Mission duration | 11 minutes, 24 seconds |
| Distance travelled | 534 kilometers (332 mi) |
| Apogee | 106.01 kilometers (65.87 mi) |
| Spacecraft properties | |
| Spacecraft | X-15 |
| Manufacturer | North American |
| Launch mass | 15,195 kilograms (33,499 lb) |
| Landing mass | 6,260 kilograms (13,800 lb) |
| Dry mass | 6,577 kilograms (14,500 lb) |
| Crew | |
| Crew size | 1 |
| Members | Joseph A. Walker |
| Start of mission | |
| Launch date | July 19, 1963, 18:20:05 UTC |
| Launch site | Balls 8, Edwards Dropped over Smith Ranch Dry Lake 39°20′N 117°29′W / 39.333°N 117.483°W |
| End of mission | |
| Landing date | July 19, 1963, 18:31:29.1 UTC |
| Landing site | Rogers Dry Lake, Edwards |
 X-15 Flight 90 pilot, Joe Walker | |
Flight 90 of the North American X-15 was a research flight conducted by NASA and the US Air Force on July 19, 1963. It was the first of two X-15 missions that passed the 100-km high Kármán line, the FAI definition of space, along with Flight 91 the next month. The X-15 was flown by Joseph A. Walker, who flew both X-15 spaceflights over the Kármán line.
| Position | Astronaut | |
|---|---|---|
| Pilot |  Joseph A. WalkerFirst (FAI-recognized) / Second (U.S.-recognized) spaceflight | |
Mission parameters
- Mass: 15,195 kg fueled; 6,577 kg burnout; 6,260 kg landed
- Maximum Altitude: 106.01 km., 347,800 feet
- Range: 534 km
- Burn Time: 84.6 seconds
- Mach: 5.50
- Launch Vehicle: NB-52B Bomber #008
