14 November 1969, 16:24:42.4 UTC, T plus 2:42.4

Saturn V S-IC first stage separation. (NASA)
Saturn V S-IC first stage separation. (NASA)

14 November 1969, 16:24:43.4 UTC: The Apollo 12 Saturn 5 passes 42 miles (67 kilometers) altitude at 5,145 miles per hour (8,280 kilometers per hour). The rocket reaches it maximum inertial acceleration of 3.91 g.

At T plus 2 minutes, 42.4 seconds, Apollo 12’s S-IC first stage separates. 0.8 seconds later, the S-II stage Rocketdyne J-2 engines ignited.

© 2017, Bryan R. Swopes

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