According to a report of fleetmon.com Pilot Captain Roberto Julio Montebello died of heart attack on board of tanker JC BAZAN, berthed in San Lorenzo, Argentina, Parana river, on 2nd March 2021.
Ambulance was called, but paramedics couldn’t recover him, and he was declared dead, probably while being still on board. Tanker left San Lorenzo at night LT on 2nd March, bound for Buenos Aires.
May our colleague rest in peace.