X-15 Flight 90

Flight 90

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 (1963-07-19UTC18:20:05Z) UTC
Launch site	Balls 8, Edwards Dropped over Smith Ranch Dry Lake 39°20′N 117°29′W / 39.333°N 117.483°W / 39.333; -117.483
End of mission
Landing date	July 19, 1963, 18:31:29.1 (1963-07-19UTC18:31:30Z) 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.