https://www.archives.gov/files/research/jfk/releases/180-10141-10498.pdfCubana Airlines flight 465 on Nov. 27.
Cubana Airlines Flight 465 on November 27, 1963, was technically a passenger plane that was primarily carrying cargo on that specific return flight.
Investigation records from the National Archives clarify the nature of this flight:
Capacity: All Cubana flights to Mexico City at that time were capable of carrying passengers.
Specific Load: On November 27, 1963, the flight arriving in Mexico City carried 75 passengers. However, the return flight to Havana departed with only one passenger (identified as Gilberto Lopez) and what was described as a "plane load of cargo," including automobile parts, food, and medicine.
Context: Because some return flights from Mexico City to Havana were used extensively for shipping supplies to Cuba, they were occasionally characterized as being "basically cargo" flights even though they remained passenger-capable aircraft with a crew of nine.
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This seems like "something to see."
Lopez was a US citizen. US citizens had trouble visiting Cuba, usually requiring special arrangements.
But Lopez just ad-hoc hopped on a plane in MC and made it to Havana? As the only passenger? And they held up the flight for him?
You might need to re-think this one, without your premises as blinders.