At the time the accident took place Process_start , it was the deadliest aviation accident in Cuba 's history ; , it remains Presence the third-deadliest one , behind the crashes Catastrophe of Cubana Flight Motion 9646 in 1989 and Cubana Flight Motion 972 in 2018 , respectively .

At the time the accident took place Process_start , it was the deadliest aviation accident in Cuba 's history ; , it remains Presence the third-deadliest one , behind the crashes Catastrophe of Cubana Flight Motion 9646 in 1989 and Cubana Flight Motion 972 in 2018 , respectively .