An unidentifiable object was observed at close range and caused physical effects (Jorge Roberto Herrera).

Jorge Roberto Herrera, an engineering student, saw an object shaped like 2 plates put together descend in falling-leaf fashion till within a yard of the ground, on which it then settled, tilted, beside the highway. It was aluminum colored until it landed, then it turned to a dull copper. It was about 16 ft wide. After 3 minutes, legs thrust out, which leveled the UFO. Then Herrera saw beside it a being 5'2" tall, dressed in a white "diving suit" with opaque helmet; the arms were cut off short, without any hands. The feet covered by the suit, without footwear. This entity was not seen to emerge from the UFO. It glided a few feet without walking, then disappeared. A few seconds later the UFO retracted its legs, returned to an inclined position, and took off. Herrera was 50 ft from it at the time. He took one step and found he was at the landing marks, having moved 50 ft unconsciously. There were seven un-symmetrically arranged imprints in an area only about 5 ft square. A small truck came up, whose driver said that he had seen the UFO and that it had caused his engine and his radio to fail. This man drove Herrera, who now felt ill, to Salta; he entered a clinic, where he was treated for 8 days without ever being told the diagnosis.

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