The passenger manifest read like a small cross-section of the region. Of the 44 people in the cabin, 16 were Lao nationals. Among the dead were at least two children from Australia. Crew from Laos and Cambodia sat in the cockpit: Captain Yong Som, a 57-year-old Cambodian pilot with 5,600 total flying hours — 3,200 of them on the ATR-72 — and First Officer Soulisack Houvanthong, a 22-year-old Lao co-pilot with around 400 hours of experience. Victims came from eleven countries in all. The fast, deep current of the Mekong made recovery agonizing. Fifty divers from Thailand were brought in to assist. By 23 October, a week after the crash, 44 of the 49 victims had been recovered. Some were found 19 kilometres downstream. Twenty-seven had been identified. The wreckage itself was lifted from the river on 22 October.

The official accident report, released by Laos's Aircraft Accident Investigation Committee in November 2014, concluded that the probable cause was the flight crew's failure to properly execute the published missed approach procedure. The weather had changed abruptly, forcing a go-around from the first attempt. On the second approach, the crew initiated the correct lateral turn but failed to follow the required vertical profile — the missed approach altitude had been set at 600 feet, and the aircraft's systems entered altitude capture mode. When the pilots recognized they were dangerously low, the pilot flying overcorrected. The nose pitched up sharply to 33 degrees. The aircraft struck trees. The fuselage hit the riverbank and was deflected into the Mekong. The sequence lasted seconds. Investigators found no mechanical failure in the aircraft. The chain of events was a convergence of deteriorating weather, a hasty setup, and a missed procedural step at the worst possible moment.

The Mekong near Pakse runs wide, swift, and deep — qualities that give the river its grandeur and made the search for victims a prolonged ordeal. Rescue teams faced a river that does not readily yield what it takes. The current carried wreckage and the people inside it far downstream, complicating identification and adding to the grief of families waiting for news. For days after the crash, uncertainty about the full casualty count persisted, because not everyone had been found. The Lao government, Lao Airlines, and Thailand's rescue divers worked together across those difficult weeks. Each recovery brought some closure; the five victims never accounted for did not.

Laos is a mountainous, landlocked country where short domestic flights connect cities that would otherwise require long overland journeys. The Vientiane–Pakse route, about 650 kilometres as the crow flies, is one of the country's most travelled air corridors. Flight 301 was a routine sector — an afternoon hop on a modern turboprop that had been in service only a short time. Its loss prompted a reexamination of crew training standards, approach procedure compliance, and the handling of deteriorating weather on instrument approaches across the region. The ATR 72-600, which had entered service in 2009, had maintained a clean safety record until this accident. The investigation's findings fed into broader conversations about cockpit resource management and the pressures — real and perceived — that can lead crews to press on when caution counsels otherwise.