The Russian government notified the NTSB of an accident involving a Robinson R44 helicopter, registration RA-04308, which took place on December 05, 2017, in Dubovaya Balka, Russia. The accident resulted in 2 fatal injuries.
Under the provisions of ICAO Annex 13, the NTSB appointed a U.S. Accredited Representative to assist the Russian government's investigation. All investigative details are to be released by the Russian authorities.