Kimbaya Artifacts
The Kimbaya Artifacts (also Calima Artifacts) are a collection of pre-Columbian gold figurines produced by the Kimbaya (Calima) culture of present-day Colombia, dated to approximately 1000 CE. The collection, housed in the Museo del Oro (Gold Museum) in Bogotá, includes hundreds of zoomorphic, anthropomorphic, and geometric forms. Several figurines in the collection have shapes that ancient astronaut theorists — most notably those associated with the Ancient Astronaut Theory and the television series Ancient Aliens — claim resemble modern aircraft, including delta-wing jet aircraft.
The Alleged Aircraft Resemblance
A small subset of the Kimbaya figurines have a roughly aerodynamic profile: an elongated body, swept-back "wings" at the midsection, and a vertical stabilizer-like feature at the rear. Ancient astronaut theorists argue these figurines depict aircraft witnessed from an advanced civilization, claiming the forms are inconsistent with any known bird or insect anatomy.
Scale replicas of these figurines have been built and tested in radio-controlled model form, and some versions have been found aerodynamically functional — a fact cited by proponents as confirming their aircraft nature.
Mainstream Archaeological Interpretation
Mainstream archaeologists and zoologists interpret the figurines as stylized depictions of birds, fish, or insects common to the Kimbaya cultural environment — particularly the manta ray, various tropical birds, or flying fish. The features cited as evidence of aircraft design (swept wings, vertical stabilizer) are consistent with fish or bird anatomy when stylized under Kimbaya artistic conventions.
The "aircraft" interpretation relies on selecting a small fraction of the collection out of context and applying modern aeronautical templates to objects created in a culture with no documented exposure to powered flight.