MONGOL-105 struck the side of Otgontenger, killing at least two people. According to a Mongolian journalist, the aircraft had departed Buyant-Ukhaa International Airport for Uvs and Khovd with more than 40 people on board. In 2005, the wreckage, which was still in good condition, was removed from the mountain and dragged and slid into a nearby canyon.

In October 2017, 27 hikers climbed the mountain