Aeroflot Flight 821, operating a Boeing 737-500, tragically crashed as it made its final approach to Perm International Airport in Russia. The flight had departed from Moscow and was anticipated to land in Perm when it encountered difficulties. Reports indicate that the aircraft lost contact with air traffic control, leading to the crash landing on a section of the Trans-Siberian Railway. In total, 88 people were aboard, including passengers and crew, all of whom perished in the incident. Witnesses described hearing a loud explosion upon impact, which raised immediate concerns about the aircraft's condition before the crash.

The weather conditions at the time of the incident were poor, with heavy rain and reduced visibility, factors that may have contributed to the pilots' challenges during the landing. Following the crash, a thorough investigation was initiated by the Russian authorities, which included an examination of the aircraft's black boxes and interviews with witnesses. Initial findings indicated that pilot error and bad weather played significant roles in the disaster. The event spurred scrutiny regarding flight safety regulations within Russia and led to discussions about the need for improvements in training and oversight.

This accident marked a significant moment for Russian aviation, drawing attention both nationally and internationally. It showcased the vulnerabilities faced by airlines in navigating challenging weather conditions and highlighted the need for stringent safety protocols. The investigations following the crash not only sought to understand the immediate causes but also aimed to prevent future incidents through improved training and adherence to safety regulations. In the wake of the tragedy, Aeroflot and other airlines in the region reviewed their operational protocols to enhance safety measures for flight operations under adverse conditions.