I typed "right" instead of "left". Collins turned left, using the auto-pilot. He pulled out the knob and initiated a left turn, towards where he was supposed to believe the mountain was,
I finally agree with something you have said: The penny finally dropped. He realised the situation. He remembered what he had been told at the briefing, that the waypoint was at McMurdo Station. He remembered the night before, when he plotted the course from an old flightplan which had the waypoint somewhere else. He remembered that a track to McMurdo Station would go over Erebus, but he also remembered plotting a track to the different waypoint which would not go over Erebus. He remembered that the never bothered checking. He reaiised why he could not get radio contact. Then he died,