Authorities have finished search operations at the site of the Jeju Air crash, Yonhap News, a South Korean news agency, reported.

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.

The cause of Sunday’s crash remains under investigation but aviation experts were quick to distinguish the incident from the company’s earlier safety problems.

U.S. investigators could be seen Tuesday moving around the crash site in South Korea following the deadly crash of a Jeju Air Boeing 737-800.

South Korean officials will conduct safety inspections of all Boeing 737-800 aircraft operated by the country's airlines after a deadly Jeju Air crash.

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.

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 stock price dropped more than 4% at the open of trading on Monday morning.

Boeing shares fell about 2% in midday trading Monday after a 737-800 operated by a South Korean airline crashed over the weekend, killing nearly all of the 181 people aboard. Investigators a

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.

Boeing shares were down as much as 6% Monday morning. Authorities in Korea believe a bird strike could have been a factor in the fatal crash.