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As relatives of the Erebus victims return to the crash site to mark the 30th anniversary, Jim Collins’ daughter Pippa makes a surprising discovery.

When Justice Peter Mahon accused Air New Zealand of "an orchestrated litany of lies", it marked the beginning of his own downfall.

The puzzling disappearance of Captain Collins' black ringbinder and the evidence of two Air New Zealand staff at the commission of inquiry.

How the little-understood phenomenon of whiteout played a big role in the crash and the pilot who helped explain it.

As Air New Zealand navigation staff admitted to error after error in the lead-up to the Erebus crash, the Mahon inquiry wondered how many mistakes could be considered cerdible,

The first official account of how the crash happened is released - and it does not look good for the pilot, Captain Jim Collins.

Investigators struggle to hear vital clues on the plane's 'black box' flight recorder. Finally they reach a conclusion - but are stunned by what happens next.

As traumatised rescuers try to cope with the carnage on the slopes of Erebus, claims emerge of a cover-up at Air New Zealand.

The events of November 28, 1979. The family of pilot Jim Collins recall the day he never came home and an American pilot describes his attempt to warn the doomed Air New Zealand DC10.

It was supposed to be the trip of a lifetime - but 257 people died when an Air New Zealand plane crashed into Mt Erebus in Antarctica in 1979. The reasons why are as controversial today as ever.

It was New Zealand's biggest peacetime disaster - and some say the nation's biggest cover-up. On November 28, 1979, an Air New Zealand DC10 crashed into the slopes of Mt Erebus in Antarctica, killing all 257 people on board. But who was really at fault - the pilot or the government-owned airline? On the 40th anniversary of the tragedy, presenter Garry McAlpine and writer/director John Keir talk to the key players in a quest to discover the truth.