A Russian MiG-31 Foxhound interceptor/fighter crashed on Friday in the Perm region of the Urals, but the two crew members ejected safely.
The crew have yet to be located, a local law enforcement officer said.
A local security official confirmed the crash but declined to identify the plane model, saying only that it "was not carrying any weapons" and posed no danger to residential areas.
Defense Ministry spokesman Vladimir Drik said later the pilot and navigator were "in a satisfactory condition."
A special commission has been set up to ascertain the cause of the crash.
MOSCOW/PERM, November 19 (RIA Novosti)