1961 President Airlines Douglas DC-6 crash occurred on the night of September 10 , 1961 , when a President Airlines Douglas DC-6B named '' Theodore Roosevelt '' outbound from Shannon , Ireland crashed into the nearby River Shannon shortly after takeoff , killing all 83 people on board . To date , the crash remains the deadliest one in Irish territory , as well as the third-deadliest involving a DC-6 after LAN Chile Flight 107 and Olympic Airways Flight 954
Olympic Airways Flight 954
Olympic Airways Flight 954
1961 President Airlines Douglas DC-6 crash