Family members of the South Koreans who went missing after their plane disappeared during a storm in southern Cambodia, arrived in Phnom Penh on Tuesday.
They boarded a plane at Seoul's Incheon International airport and landed in Phnom Penh airport early on Wednesday (Tuesday GMT) where they were taken by bus to a hotel in the region.
Earlier on Tuesday, Cambodian Prime Minister Hun Sen said there was little hope of finding survivors among the 22 people, including South Korean and Czech tourists, who were on board when the jet disappeared.
The PMT Air plane, a Russian-made An-24, was flying from Siem Reap, Cambodia's main tourist hub where the famous Angkor Wat temple complex is located, to Sihanoukville on the coast when it disappeared on Monday.
PMT Air is a small Cambodian airline that began flying from Siem Reap to Sihanoukville in January.
It is believed to have crashed in a mountainous jungle area in Kampot province.
But the relatives of those missing refused to believe that their loved ones were dead.
On the second day of searching several searchers in helicopters set out after a rain storm cleared, scouring a stretch of dense jungle and mountainous terrain, but returned with no further clues as to where the plane may be located.
Some one thousand soldiers and police are combing rough terrain in Kampot province for the plane.
Hun Sen visited Kampot town, about 130 kilometres (80 miles) southwest of the capital, Phnom Penh, to discuss rescue efforts with provincial and military officials.
The Prime Minister said he asked for the United States to use its high-tech surveillance satellites to help search for the missing plane.
The country's US Embassy spokesman confirmed that the United States is acting on the Cambodian government's request.