South Korea's transport ministry has extended special inspections of all 101 of the Boeing 737-800 jets run by the country's airlines by a week, after the worst aviation disaster on the country's soil,

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.

On Sunday morning, the commercial plane skidded off the runway, crashed into a wall and burst into flames while landing at Muan International Airport – killing all but two of its 181 passengers.

Accident investigators are trying to find the cause of a Jeju Air fatal crash landing that killed 179 of the 181 on board the flight.

After overcoming pariah status at the end of the last century, South Korea must learn what caused the catastrophe on Dec. 29 and what lessons to draw from it.

Shares of Boeing fell in early trading on Monday, one day after a Boeing model 737-800 was involved in the Jeju Air plane crash in South Korea that killed scores of passengers. The slide came hours after South Korea's transportation ministry announced it would investigate the crash and conduct a full inspection of all Boeing 737-800 aircraft in use in South Korea.

South Korea's government said on Monday it will extend the shutdown of Muan International Airport by a week to Jan. 14, citing the ongoing investigation into the crash of a Jeju Air jet that killed 179 passengers on board.

South Korean authorities have extended the closure of a southwestern airport where a Jeju Air plane crashed and killed 179 people onboard, the land ministry said Monday.

Investigators plan to examine the tail and landing gear of the aircraft at the crash site of the passenger jet in Muan, Republic of Korea. They will also retrieve and analyze the flight data recorder of the plane,

Investigations into the recent Jeju Air Flight 2216 crash at Muan International Airport, which resulted in 179 fatalities, are centering on a concrete embankment located near the runway's end. This structure,