On November 11, 1961, a Lockheed L-749 Constellation (registration HH-ABA) operated by Air Haïti International was involved in an aviation accident near Caribbean Sea, World in flight. 3 people were killed. Investigators recorded the probable cause as: The exact cause remains undetermined due to a complete lack of physical evidence following the disappearance. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).
A cargo aircraft traveling from San Juan to Managua vanished over the Caribbean Sea, leaving no trace of the plane or its crew.
What happened
A cargo flight operating a route from San Juan to Managua disappeared while traversing the Caribbean Sea. During the transit, the aircraft ceased communication and was no longer detectable on radar monitoring systems.
Following the loss of contact, search efforts were unable to locate any wreckage or debris. There has been no trace found of the aircraft or its crew members. The incident remains an unsolved disappearance in the region.
Findings
Official investigations into the disappearance have concluded without a definitive explanation. Because no physical evidence from the site could be recovered, investigators were unable to identify the specific factors that led to the loss of the flight.
Probable cause
The exact cause remains undetermined due to a complete lack of physical evidence following the disappearance.