While the world's attention has been grabbed by the missing Malaysian airlines flight, New Zealand has a plane mystery of its own.
It's the mystery of how nine people were killed in the Fox Glacier crash on the West Coast.
At the time it seemed pretty cut and dry: the plane was badly loaded and overweight.
But 3rd Degree's Michael Morrah has been investigating and has literally unearthed new facts.
What if the victims' families have all been told the wrong story?
Watch the video for the full 3rd Degree report.