The investigation into the deadliest air disaster on the country's soil remains ongoing, focusing on the role of bird strike and involving an analysis of the engines and the "localizer" landing guidance structure.

Both engines of Boeing 737-800 jet contained DNA from Baikal teals, a migratory duck that flies to South Korea.

Feathers and blood stains belonging to the baikal teal were found on both engines of the crashed Jeju Air plane Investigators say they have found evidence of a bird strike on a passenger plane that crashed in South Korea in December and killed 179 people.

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

A preliminary report by the South Korean Ministry of Transport reveals the presence of duck feathers in the engines of the Boeing 737-800 that crashed in December at Muan Airport. At the end of December last year,