05.04.1962 odbył się 49. lot X-15 z Neilem Armstrongiem który osiągnął wysokość 54860 metrów i prędkość 4586 km/h (4,12 Mach).
1962 April 5 - . 18:04 GMT - . Launch Site: Edwards. Launch Complex: Hidden Hills DZ. Launch Pad: Edwards RW04/22. Launch Platform: NB-52 003.
X-15A MH-96 test - . Nation: USA. Agency: NASA, USAF. Spacecraft: X-15A. Apogee: 54 km (33 mi).
Maximum Speed - 4586 kph. Maximum Altitude - 54860 m. The X-15 was flown in a test of a new automatic control system to be used in the Dyna-Soar and Apollo spacecraft. The previous electronic control system had been automatic only while the X-15 was in the atmosphere; the new system was automatic in space as well. Air dropped in Hidden Hills DZ.
http://www.astronautix.com/a/april05.html05.04.1962 w hangarze NASA miały miejsce testy X-15 nr 3 przed trzecim lotem: 3-3-7.
https://twitter.com/ron_eisele/status/17759552001314041955 April 1962. Testing on X-15 No. 3 in the NASA hangar prior to its third flight: 3-3-7.