Documents / Official release
This is a 2023 Federal Aviation Administration record of an unidentified aerial phenomenon report, logged by Kansas City Center (ZKC) and now closed. On 3 February 2023, United flight UAL700, a Boeing 777 flying from Washington Dulles to San Francisco, reported a large balloon off its right side. The aircraft was northbound at FL400, 10 nautical miles west of STJ, and the crew put the balloon at approximately FL500 and above.
## PRIMARY CODE: UNIDENTIFIED AERIAL PHENOMENON Date: 15:39 02/03/2023 Status: Closed POD: DEN Callsign: UAL700 Aircraft: B772 Tail Number: Operator: UAL Reporting Facility: ZKC Origin: IAD Destination: SFO New Destination: Operator Type: Commercial Paged: NO REMARKS Aircraft reported a large balloon off the right side while N bound at FL400, 10NM W 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.