Documents / Official release
This is a Federal Aviation Administration Skywatch Incident Report released in 2023, coded as an unidentified aerial phenomenon and marked closed. It records that on 4 February 2023, United Airlines flight UAL1580, a Boeing 737-800 flying from Chicago O'Hare to Vancouver, reported an unidentified phenomenon above it. The aircraft was westnorthwest bound at FL380, 60 nautical miles east of Billings. The object had lights and was described as orbiting. No evasive action was reported.
SKYWATCH INCIDENT REPORT PRIMARY CODE: UNIDENTIFIED AERIAL PHENOMENON Date: 04:39 02/04/2023 Status: Closed POD: DEN Reporting Facility: ZLC Callsign: UAL1580 Aircraft: B738 Tail Number: Operator: UAL Origin: ORD Destination: CYVR New Destination: Operator Type: Commercial Paged: YES REMARKS Aircraft reported an unidentified aerial phenomenon above them while WNW bound at FL380, 60NM E of BIL. The unknown phenomenon had lights and was reported as orbiting. No evasive action reported. AWO advised. SKYWATCH INCIDENT REPORT | DATE: 2023-02-04T04:39 | POD: DEN | PAGE 1 of 1
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Official release, from the nara collection. The PDF is mirrored here; the original link is above. 1 pages are in the text index: search them above, or from the library's search.