Recently declassified HUD video shows how this F-16 student pilot was saved from flying into the ground after he suffered G-induced loss of consciousness (G-LOC) during fighter pilot training when he pulled over 8 Gs during a maneuver. With the plane hurtling toward the ground in afterburner, the automatic ground collision avoidance system (G-CAS) pulled the plane up until the pilot regained consciousness. Aviation Week describes the incident:

After only 22 sec., the F-16 was nose-down almost 50 deg. below the horizon and going supersonic. The shocked instructor called โ€œ2 recover!โ€ as the student passed 12,320 ft. at 587 kt. Two seconds later, with the nose down in a 55-deg. dive, altitude at 10,800 ft. and speed passing 613 kt., the worried instructor again calls โ€œ2 recover!โ€ In a little less than another 2 sec., as the now frantic instructor makes a third call for the student pilot to pull up, the Auto-GCAS executes a recovery maneuver at 8,760 ft. and 652 kt.

The student pilot at this point comes around and pulls back on the stick, momentarily increasing Gs beyond the Auto-GCAS standard recovery level of 5 to 9.1. Minimum altitude by now is around 4,370 ft., with as little as 2,940 ft. indicated on the radar altimeter. From loss-of-control to recovery takes just under 30 sec.