Since Khaiyr is resting above an active volcano, sceptics point out that most of the monster sightings have probably been caused by sub-aquatic tremors sending a rush of water boiling to the surface. As for the close-range sightings, no explanation has been offered. Due to the lake's isolated location it is not frequently visited and there have been few further sightings, such as the 1940 sighting of "two large black creatures" by the famous polar aviator, Hero of the Soviet Union Ivan Cherevichny and a celebrated Soviet polar helmsman Valentin Ivanovych Akkuratov who saw two large animals when flying over the lake at the height of 800–1000 m. Getting curious, they got down to 50 m and observed the animals, but the noise of the plane scared the creatures and they submerged.