On October 3, after three years of search work, Australian Transport Safety Authority released the final summary report on Malaysia Airlines mh370 search in Sydney. Although the report did not explain the reason for the disappearance of Malaysia Airlines flight mh370, it mentioned that the scope of the crashed passenger plane may be found was reduced to 25000 square kilometers.

The Australian Maritime Transport Authority released a total of 370 pages of detailed search efforts, including how the search was conducted by the Australian Maritime Transport Authority.

The process of searching for Malaysia Airlines mh370 can be called the largest action in aviation history. Later, submarine research, ocean current research and other technologies were used to reduce the most likely location of the aircraft to 25000 square kilometers.

The search lasted 1046 days, covering 120000 square kilometers of seabed area, with a total cost of 160 million US dollars. When the search operation was stopped in January this year, the whereabouts of the aircraft were not found except for three pieces of aircraft debris washed ashore along the coast of the Indian Ocean.

The release of the final search report of Malaysia Airlines mh370 means the official end of the search work led by Australia. However, the report also points out that the relevant investigation in Malaysia is still continuing.