All 181 passengers and crew aboard a passenger jet that crashed upon landing in South Korea on Sunday morning are presumed dead except for two people rescued from the wreckage, authorities said.

The Jeju Air jetliner was carrying 175 passengers and six crew when it crash-landed at Muan International Airport just after 9 a.m. local time Sunday.

South Korean officials are struggling to determine what caused a deadly plane crash that killed nearly 180 people on board, with the nation saddened, shocked and ashamed over the country’s worst aviation disaster in decades.

South Korean officials are looking for the cause of a passenger jet crash that killed 179 people, in one of the deadliest disasters in the country’s aviation history.

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One was a 33-year-old man, with the surname Lee, who was rushed to a hospital in Mokpo, about 25km (15.5 mi) south of the airport, but was later transferred to Ewha Womans University Seoul Hospital in the capital, Yonhap news agency reported.

After over 100 people were killed in a South Korea plane accident, here are the worst accidents and crashes in aviation history.

The flight, operated by Jeju Air, was landing when it went off the runway in Muan, in the country’s southwest. Only two people survived the crash.

Onboard passenger plane fatalities this year jumped to 318 with the two recent crashes, data compiled by Cirium shows. That’s by far the highest death toll since more than 500 people died in 2018, a year marked by the first of two Boeing Co. 737 Max crashes.

A bird strike has emerged as a possible cause for Jeju Air plane crash-landing in Korea and killing 179 people.

Acting president Choi Sang-mok has ordered an emergency inspection for South Korea's entire airline operations.