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28 fatalities

Fatal Mountain Strike Near Erdenet Airport (JU-1017)

Erdenet, MongoliaTakeoff (climb)

On May 25, 1998, a Harbin Yunsunji Y-12 (registration JU-1017) operated by MIAT Mongolian Airlines - Mongolyn Irgeniy Agaaryn Teever was involved in an aviation accident near Erdenet, Mongolia during takeoff. 28 people were killed. Investigators recorded the probable cause as: Controlled flight into terrain. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-11Data APIEditorial standards

A twin-engine aircraft crashed into a mountain slope shortly after takeoff from Erdenet Airport in poor visibility, killing all 28 occupants.

Incident Overview A twin-engine aircraft struck the slope of a mountain located a few kilometers west of Erdenet Airport. The impact occurred shortly after takeoff while the aircraft was climbing in low visibility due to poor weather conditions. The mountain where the aircraft struck had an elevation of 2,800 metres. The aircraft disintegrated on impact, and all 28 occupants were killed. The fatalities included 16 adults and 12 children. ## Official Findings The official investigation determined that the probable cause of the accident was controlled flight into terrain. No specific aircraft type, registration, operator, or date was provided in the source material.

Controlled flight into terrain

Related events

Same operator

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