National Airlines Flight 2511 is destroyed in mid-air by a bomb, while en route from New York City to Miami.

National Airlines Flight 2511 was a United States domestic passenger flight from New York City to Miami, Florida. On January 6, 1960, the Douglas DC-6 serving the flight exploded in midair. The National Airlines aircraft was carrying 5 crew members and 29 passengers, all of whom perished. The Civil Aeronautics Board investigation concluded that the plane was brought down by a bomb made of dynamite. No criminal charges were ever filed, nor was the blame for the bombing ever determined, though a suicide bombing is suspected. The investigation remains open.

Miami is a coastal city in the U.S. state of Florida. It is the second-most populous city in Florida with a population of 442,241 at the 2020 census, while the Miami metropolitan area in South Florida has an estimated 6.46 million residents and is the sixth-largest metropolitan area in the United States. Miami has the third-largest skyline in the U.S. with over 300 high-rises, 70 of which exceed 491 ft (150 m). It is the county seat of Miami-Dade County.

January 6 is the sixth day of the year in the Gregorian calendar; 359 days remain until the end of the year.