Damning report reveals cause of HMNZS Manawanui's sinking off Samoa

...He said the crew did not realise Manawanui remained in autopilot and, mistakenly believed its failure to respond to direction changes was the result of a thruster control failure...

Hows that for a work story... I've had some bad days at the office, but they have not resulted in the loss of a $100 million dollar piece of equipment.