Management/regulatory cockup of the grandest scale. Mystery now is that nobody in either the IAA or operator management team has been sacked. No comfort from all the good advice post incident, I'd want the competence on my team to foresee issues Before they turned into an accident. Quite a number of contributors to this thread have correctly been puzzled that the operation lacked any sophistication or depth of foresight by either the regulator or operator management. Either group could benefit from recruiting from that pool.