It was hijacked on November 24, 1968, by four men from JFK International Airport, New York City to Havana, Cuba.
Jose Rafael Rios Cruz was arrested in 1975; Miguel Castro was captured in 1976.
Both pleaded guilty; Cruz was sentenced to 15 years in prison and Castro to 12.
A third hijacker, Luis Armando Peña Soltren, lived as a fugitive in Cuba.
In October 2009, he voluntarily returned to the United States and surrendered to federal authorities.