Aérien, France · 2011-05-21 · from the GEIPAN archive
A person reports the following facts that they cannot explain: a passenger aboard a commercial airliner on May 21, 2011, the plane passes through a zone of turbulence while the sky is very blue with a cloud layer below. The witness then notices a large horizontal brown trail parallel to the plane and, below the level of the plane's wing, sees a white sphere the size of a one-cent coin held at arm's length. They then take photographs. The observation lasted about fifteen minutes between 7:55 PM and 8:10 PM. The gray trail is the shadow cast by the plane's contrail on the cloud layer; the shiny ball is an atmospheric optical phenomenon (similar to the Brocken specter): backscattering of light in the droplets of mist, toward the observer located in the direction of the sun. This explanation considers that the vibrations felt by the witnesses are independent of this phenomenon. The disappearance of the shiny ball is probably due to the interruption of the cloud layer.
On February 25, 2015 at 6:10 PM, a witness is driving in their vehicle when they see a colored phenomenon very high in the sky in a northwest direction. An airplane passes nearby. The sky is…
the accounts read alike, found by meaning rather than by shared details
On August 4, 2017 between 1:55 PM and 2:10 PM, a witness is intrigued by an object at the cruising altitude of airliners. With binoculars, the witness makes out, fixed in the sky, a vertical…
the accounts read alike, found by meaning rather than by shared details
On September 7, 2014 at around 7 p.m., a motorist saw in the clear sky, just above a few white trails left by planes, a very distant horizontal black line, then a white luminous flash. The w…
the accounts read alike, found by meaning rather than by shared details
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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.
Anomaly