Isère, France · 1979-05-25 · from the GEIPAN archive
A low hum in Isère, France
On May 25, 1979 at 1:10 in the morning, two police officers on duty saw in the sky a luminous phenomenon that was moving and that intrigued them. At low altitude, four oval-shaped lights of a white-yellow tone gradually passed over them, then took another direction. It was impossible for them to say whether the lights belonged to a single object or constituted autonomous phenomena. A slight humming sound was heard before the phenomenon disappeared toward the southeast, hidden by the landscape. No interference was noticed on their onboard equipment. The description given by the witnesses and the proximity of several airfields (besides Lyon-Satolas) make it possible to think with good probability that the two police officers witnessed an airplane in the approach phase.
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This is an official case file of GEIPAN, the French space agency's unidentified aerospace phenomena office, machine translated from French. The original text and the full investigation file are at geipan.fr. We reproduce it with thanks and remove anything on request.
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