South Korea's authorities investigating last month's Jeju Air plane crash have submitted a preliminary accident report to the U.N. aviation agency and to the authorities of the United States, France and Thailand,

The South Korean government will review safety systems associated with emergency landings at airports across the country following the fatal Jeju Air crash, which killed 179 people. The plan includes removing the concrete embankment at Muan International Airport.

The nation’s transport ministry reviewed structures near airport runways after the deadly crash of a Jeju Air flight late last month.

South Korea will release by Monday a preliminary report on last month's Jeju Air plane crash that killed 179 people, the deadliest air disaster on the nation's soil, the transport ministry said on Saturday.

South Korea will extend runway safety areas and redesign infrastructure after the crash of a Jeju Air Co. flight last month that killed almost everyone on board, sparking criticism that the design of the airport might have exacerbated the accident.

The South Korean Ministry of Transport announced that it will release a preliminary report on the Jeju Air plane crash by Monday. The accident claimed the lives of 179 people, with two miraculously surviving.