Unspecified over [Aero ---] Gruissan, Languedoc Roussillon · France
A conventional explanation is favored by the record but was never formally confirmed.
The report, as filed
Le 23 avril 1998 à 3 heures 38, le pilote d'un Boeing 727 en route vers Barcelone observe très loin le passage de lumières bleues et vertes très rapides qui disparaissent dans une explosion. Il s'agit probablement de la rentrée atmosphérique d'un débris spatial. [GEIPAN classification B — Débris spatiaux (retombée)]
Held as-reported from GEIPAN, Centre national d'études spatiales (record GEIPAN 1998-04-01501). Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.
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Routed to: GEIPAN / CNES (France) · records window 1998-04-20 → 1998-05-07