According to the information of Klin local historians about duralumin fragments of an unknown aircraft in the area of Klin, specialists of the Center for Contemporary History conducted an operational reconnaissance of the area in the winter of 2020. During the initial inspection of the crash site small fragments of the center section, parts of the spars, pieces of the aircraft skin were found. According to the characteristic nodes and details, the type of aircraft is defined as a long-range Il-4 bomber belonging to Ilyushin Design Bureau. According to the technological marking (stamps), it was established that the aircraft was produced at aviation plant No. 126 of the NKAP in Komsomolsk-on-Amur. The remains of the crew, parachute systems, or personal belongings were not found.