Seine-Saint-Denis, France · 2013-02-11 · from the GEIPAN archive
Pilot witness in Seine-Saint-Denis, France
The witness regularly observes yellow lights to the southeast, which appear, move slightly, and disappear. The witness's direction of observation corresponds to the area where, with a west or northwest wind, planes coming from the south line up on the runway of Orly aerodrome (see map). The witness only sees the landing lights of these planes, which are highly directional: he therefore only sees them when the plane is facing him. The plane is too far away (20 km) to make out its red-green position lights or even its flashing lights. The witness observed the phenomenon many times in January and early February, when the winds were from the west or northwest; he did not see them on the 12th and 13th because, with the wind blowing from the northeast or south, the approach to Orly is then made from the west. The witness can identify in real time the planes he observes by consulting: air traffic This case is classified "B": probable observations of airliners before landing.
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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