[5] It operated a cargo service as Aeroflot Flight 126 from Sofia to Kiev, transporting the luggage of Chinese athletes.

The crew contacted air traffic control and was instructed to approach the airport in a small circle.

[2] Both aircraft dived into the ground and crashed into several houses 4.5 km (2.8 mi; 2.4 nmi) from the airport.

[4][6] The investigation determined the cause to be primarily ATC error, specifically the guidance and assistance of the air traffic controller at Kiev-Zhulyany Airport.

A memorial for the collision were installed by the son of pilot-in-command Sandler L. M. at their burial site.