With the weather report they received from the met people at McMurdo, and being advised that the area was no good for sightseeing
It is always possible to use judgement to alter the plan.
then obviously the wrong judgement was used.
That's why we earn more pay in the left seat (on plankwing flights) than in the righthand seat.
Exactly, and if a wrong decision is made, such as in this case, why is it that the nav section who laid out the plan, all above MSA using the most up to date nav system, but nothing planned below MSA, that was left to the judgement of the crew according to the .weather conditions met at the destination, got so much flak from Mahon? .