Military Report Unclassified Complete

237UAP00058

National Archives and Records Administration

Released

—

Published

—

Added to archive

Jun 14, 2026

Department

NARA

Original size

49 KB

External ID

371846133a6a9b5f3b5b09ebf17f58da5ae38932ffe9e7d0245ac89d05d3e571

Confidence

85%

Credibility

80%

View original document ↗ hosted at the official government source

Intelligence summary

This report details an incident involving a commercial aircraft that encountered an unidentified aerial phenomenon (UAP) while flying at high altitude on June 20, 2021.

Tags & topics

Extracted timeline

Jun 15, 2021

Document Date (year hint)

Document Date (year hint) for 237UAP00058

Jun 14, 2026

Ingestion Date

Ingestion Date for 237UAP00058

Jun 14, 2026

Document Record Date

Document Record Date for 237UAP00058

Jun 14, 2026

Update Date

Update Date for 237UAP00058

Entities mentioned

C56X SLH4

Full document text

616 characters, transcribed via OCR. Errors reflect the source scan. Compare with the original ↗

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SKYWATCH INCIDENT REPORT PRIMARY CODE: UNIDENTIFIED AERIAL PHENOMENON Date: 20:05 06/20/2021 Status: Closed POD: DEN Reporting Facility: ZOB Callsign:SLH4 Aircraft:C56X Tail Number: Operator:SLH Origin:LNK Destination:EWR New Destination: Operator Type:Commercial Paged:NO REMARKS Aircraft reported an unidentified aerial phenomenon while ENE bound at FL430, over ACO. The unknown phenomenon was undescribed by the flight crew, traveling an unknown direction at approximately the same altitude. LEO notification not reported. JH notified SKYWATCH INCIDENT REPORT | DATE: 2021-06-20T20:05 | POD: DEN | PAGE 1 of 1