All 379 passengers and crew on board the Japan Airlines flight were evacuated, but five of the six aboard the Coast Guard plane with which it collided are reported killed.
Governor Lima said that the bodies had already been removed from the aircraft and that the victims were Brazilian tourists.
81 passengers lost their life on Flight 870 in 1980, leaving it one of Italy's most tragic mysteries.
"For those who are discussing whether I'm alive or not, how I'm doing - right now it's the weekend, second half of August 2023, I'm in Africa," Prigozhin says in the short video.
In a call with reporters, Kremlin spokesman Dmitry said that Russia's investigation took into account the possibility that the crash had been caused deliberately.
The pilot, named Maj. Andrii Pilshchykov and known by the call sign of Juice, was part of the Ghost of Kyiv unit and dreamed of Ukrainian pilots flying F-16s.
Days after he had been presumed dead, Russia finally confirmed the Wagner leader's demise.
The crash occurred on Friday over the Zhytomyr region, which lies west of Ukraine's capital Kyiv.
The fate of the complex, lucrative web of military and commercial operations that Prigozhin and Wagner created hangs in the balance.
The Federal Security Service is Russia's primary security agency. It is Russia's successor to the KGB of the Soviet Union.