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,

Following the deadly Jeju Air accident, the government ordered low cost carriers to reduce flight times, boost pilot training and expand maintenance crews.

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The Boeing 737-800 skidded off a runway in the South Korean city of Muan on Dec. 29 after its landing gear failed to deploy, slamming into the concrete structure and bursting into flames, killing all but two of the 181 people on board.

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.

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.