waypoint

He stated that there appeared to have been clear advice by Captain Simpson that the "false" waypoint was 27 miles west of it.

It was not until 14th November 1979 that any question arose about the McMurdo waypoint.

For purposes of comparison a calculation to the "false" waypoint was prepared and put before the Royal Commission.

If the altered waypoint had been adopted as a better position why was it then thought that it had to be discarded?