Investigators was being assembled to aid south korea s probe into a fiery commercial plane crash sunday that killed 179 people in that countrys deadliest domestic air. Sundays crash was the worst aviation accident involving a south korean airline since a korean air jet slammed into a hill in guam, a u. s. · a team of u. s. · with the cause of the disaster in south korea still unclear after nearly a year, victims’ families have questioned the credibility and impartiality of the inquiry board. Territory in the western pacific, in 1997. The flight crashed at muan. · a major investigation was underway monday after 179 people were killed in one of south korea s deadliest plane crashes ever when an airliner belly-landed at muan international airport on. 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. · the jeju air crash in south korea on sunday is the deadliest aviation disaster to hit the country since 1997, when a korean airlines flight crashed in the guam jungle, killing 228 people. Sunday, minutes after an air control tower issued a bird strike warning to the pilot. · jeju air flight 7c 2216, a boeing 737-800, crashed just after 9 a. m.