UFOINTEL
Military Report
Unclassified Complete
237UAP00149
National Archives and Records Administration
Confidence
85%
Credibility
90%
View original document ↗ hosted at the official government source
Intelligence summary
This report details an incident involving a commercial aircraft that observed an unidentified large silver balloon at high altitude during its flight. No evasive action was taken, and subsequent checks revealed no reports of a balloon in the area.
Tags & topics
Extracted timeline
Jun 15, 2023
Document Date (year hint)
Document Date (year hint) for 237UAP00149
Jun 14, 2026
Ingestion Date
Ingestion Date for 237UAP00149
Jun 14, 2026
Document Record Date
Document Record Date for 237UAP00149
Jun 14, 2026
Update Date
Update Date for 237UAP00149
Entities mentioned
Full document text
604 characters, transcribed via OCR. Errors reflect the source scan. Compare with the original ↗
SKYWATCH INCIDENT REPORT
PRIMARY CODE: UNIDENTIFIED AERIAL PHENOMENON
Date: 01:00 02/01/2023
Status: Closed
POD:
DEN
Reporting Facility: ZLC
Callsign:DAL573
Aircraft:B739
Tail Number:
Operator:DAL
Origin:SEA
Destination:DTW
New Destination:
Operator Type:Commercial
Paged:NO
REMARKS
Aircraft observed a large silver balloon FL420-450 off the left side while east bound at FL330, 30 NM south of FCA. No evasive
action was taken. ZLC checked with WX and TMU and no one has a report of having a balloon airborne. TY/JH notified.
SKYWATCH INCIDENT REPORT | DATE: 2023-02-01T01:00 | POD: DEN | PAGE 1 of 1