Aeroflot Flight 773 is destroyed by a bomb over Moscow Oblast, killing 25.

Aeroflot Flight 773 was a scheduled domestic Soviet Union passenger flight from Moscow to Simferopol that crashed following a bomb explosion on 10 October 1971.

Moscow Oblast is a federal subject of Russia. With a population of 8,524,665 living in an area of 44,300 square kilometers (17,100 sq mi), it is one of the most densely populated regions in the country and is the second most populous federal subject. The oblast has no official administrative center; its public authorities are located in Moscow and Krasnogorsk, and also across other locations in the oblast.

October 10 is the 283rd day of the year in the Gregorian calendar; 82 days remain until the end of the year.