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Twelve pilots flew the X-15 over the course of its career. Scott Crossfield and William Dana flew the X-15 on its first and last free flights, respectively. Joseph Walker set the program's top two altitude records on its 90th and 91st free flights (347,800 and 354,200 feet, respectively), becoming the only pilot to fly past the Kármán line, the 100 kilometer, FAI-recognized boundary of outer ...
The first X-15 flight was an unpowered glide flight by Scott Crossfield, on 8 June 1959. Crossfield also piloted the first powered flight on 17 September 1959, and his first flight with the XLR-99 rocket engine on 15 November 1960.
X-15 Flight 3-65-97; X. X-15 Flight 35 This page was last edited on 10 July 2021, at 07:03 (UTC). Text is available under the Creative Commons Attribution ...
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Altogether, he completed 16 captive flights (mated to the B-52 launch aircraft), one glide flight and 13 powered flights in the X-15. The retirement of the X-15 (due to funding cutbacks) after its record-setting Mach 6.70 (4,520 mph) [ 12 ] [ 13 ] flight prompted pilot Pete Knight to remark that he would have pushed it to even faster speeds if ...
The latter two, X-15 Flights 90 and 91, also surpassed the Kármán line, the internationally accepted boundary of 100 kilometers (62.14 miles). Making the latter flights immediately after the completion of the Mercury and Vostok programs, Walker became the first person to fly to space twice. He was the only X-15 pilot to fly above 100 km ...
X-15 Flight 91 was an August 22, 1963 American crewed sub-orbital spaceflight, and the second and final flight in the program to fly above the Kármán line, which was previously achieved during Flight 90 a month earlier by the same pilot, Joseph A. Walker. It was the highest flight of the X-15 program.
X-15 flights (8 P) Pages in category "X-15 program" The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes. ...