Transcript for MH730 safety report released

Hi guys unto them I finally hit stay in the ABC news London news from ABC's hand for international stories on the top story that we're talking about today. Is that greatest of all aviation mysteries what happened to the missing jetliner and H 37 Sarah. On much the 82014. As you Mayo. Remember. That Ashcroft went missing 259. People on board some laugh from its take off. They case of one of them from Malaysia but to its intended destination in Beijing somewhat up playing. A bit off course in the middle of its Johnny. And it was never seen or had from ever again I would took Matta today because blaze investigators. Released this the final. Safety investigation reports. And today the lead as the lead investigator. Oh lead Malays in investigating gave an update to press and families. And what was his up they well has update was that they still don't know. What happened to that at croft he points out that until. The wreckage that potential wreckage of the fly of the plane has yet be found in say they cannot say that this is the sort of the end of the mystery obviously. But they looked at several different factors whether the pilot had some kind of mental issues whether there was any kind of app app plane malfunctioned. But the top line from the safety report is that they cannot rule not any unlawful. Interference from a such parties say for the found -- of days. Who was still waiting to hear what happened to their loved ones on that fateful day for them the mystery and the heartache continues. Today MacFarlane ABC news London.

This transcript has been automatically generated and may not be 100% accurate.