Caelum Incognitum — The interactive encyclopedia of ufology

Close encounter of the second kind (CE2)

Classifications & scales

A close encounter with observable physical effects: ground traces (rings, imprints, altered vegetation), interference with engines or electrical equipment, effects on animals or witnesses. The Trans-en-Provence and Valensole cases are cited in this category.

In the major cases

• Trans-en-Provence (1981)
• The Valensole Incident (1965)
• The Dechmont Law Incident (1979)
• The Pretoria UFO (1965)

See also

• Close encounter of the first kind (CE1)
• Close encounter of the third kind (CE3)
• Physical trace
• Physiological effects
• Animal reactions
• Electromagnetic interference

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