This was reported by RIA Novosti with reference to the head of the staff of the "Club of military leaders" Nikolai Deryabin.
“Indeed, today Nikolai Timofeevich left us,” he said.
Deryabin said that Antoshkin died in the hospital.
The location and time of the funeral will be announced on Monday.
Nikolai Antoshkin commanded an aviation group during the liquidation of the consequences of the accident at the Chernobyl nuclear power plant.
He personally took part in flights over the destroyed power unit.
Earlier it was reported that the Russian ambassador to the United Arab Emirates Sergei Kuznetsov died at the age of 67.