Pilots’ actions after the bird strike are an early focus of the investigation, according to people familiar with the probe.

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

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.

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.