Documents / Official release
This Federal Aviation Administration record, 237UAP00179, logs a report of an unidentified aerial phenomenon made on February 3, 2023. American Airlines flight AAL639 was a Boeing 737-800 flying from Chicago O'Hare to Tucson, and the report was handled by the ZKC facility. Its crew reported a large balloon off the right side of the aircraft while flying westbound at FL340, 13 nautical miles northwest of STJ. They estimated the balloon's altitude at about FL500 or higher. The record's status is closed.
## PRIMARY CODE: UNIDENTIFIED AERIAL PHENOMENON Date: 15:20 02/03/2023 Status: Closed Callsign: AAL639 POD: DEN Aircraft: B738 Reporting Facility: ZKC Tail Number: Operator: AAL Origin: ORD Destination: TUS New Destination: Operator Type: Commercial Paged: NO REMARKS Aircraft reported a large balloon off the right side while W bound at FL340, 13NM NW of STJ. The balloon was at approximately FL500 and above.
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Official release, from the nara collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 1 pages are in the text index: search them above, or from the library's search.