Lynn Taylor: The Hynek UFO Classification System

Lynn Taylor, UFO Field Investigator

Dr. J. Allen Hynek developed the following classification system for use in analyzing UFO encounters.

•Nocturnal Light A visual sighting of a light on the sky at night. About 35 - 40 % of all reports are nocturnal lights.

•Nocturnal Disc* A visual sighting of a UFO in form of a structured light seen at night.

•Daylight Disc A visual sighting of a UFO with distinct shape seen at daytime.

•Radar Cases UFOs detected on radar.

•Radar Visual Cases UFOs detected on radar and visually at the same time. About 1 - 2% of al reports are radar visual cases.

•Close Encounters of the First Kind A UFO observed within 150 yards.

•Close Encounters of the Second Kind A UFO that leaves some kind of evidence like burn marks on the ground or fragments of unknown material.

•Close Encounters of the Third Kind A UFO with visible occupants.

•Close Encounters of the Fourth Kind Abductions.

•Close Encounters of the Fifth Kind Communication between a human and an alien.

* Added to the Hynek system later.

Lynn Taylor, Association for Aerial Anomaly Research and Cataloging (AAARC)

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