What happened
The flight crew initiated an approach to Kiangwan Airport under conditions of poor visibility caused by dense fog. In an effort to obtain visual reference with the ground, the crew descended below the safe altitude. The aircraft subsequently impacted the slope of a hill located several kilometers short of the runway threshold. This collision resulted in the fatalities of both pilots and 17 passengers, while 11 other individuals sustained injuries.
Findings
The accident occurred during the approach phase due to low visibility conditions. The primary contributing factor was the crew's decision to reduce altitude to establish visual contact with the terrain, which led to a controlled flight into terrain event before reaching the runway.