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◆ CASE FILEThe facts, corroborated

The Lights That Circled Logan

At about 22:30 on 8 September 1947 two couples leaving a bridge game in Logan, Utah, watched about a dozen pigeon-sized white lights circle the city in formation and head north, and other groups across town reported the same. An early incident summary and the FBI both took the accounts down, and neither offers an evaluation. This is the record of what the people of Logan reported, not a verdict on what circled the city.

◆ THE SHORT VERSION

  • The Lights That Circled Logan is a reported UAP case in Logan, Utah, USA, 8 September 1947, about 22:30 (MST).
  • Two married couples leaving a bridge game in Logan, Utah, at about 22:30 on 8 September 1947 reported about a dozen pigeon-sized white lights circling the city in formation in one to two minutes, faster than birds and without wingbeats.
  • An FBI memo records Mrs Fred Thunell, her husband and five others seeing five groups of 35 to 60 small yellowish-white objects circling Logan between 10:30 and 11:00 p.m.
  • Mr and Mrs Norman Hall separately reported a group like moving stars travelling clockwise over the city and changing formation.
  • Neither the incident summary nor the FBI memo offers an evaluation, and the Blue Book card's conclusion is illegible; its altitude of 29,000 to 39,000 feet conflicts with the witnesses' 2,000 to 3,000 feet.
  • For this case Fractured Realities holds 3 distinct sources, 3 corroborating primary documents and 7 distinct claimants on its resolved list.
  • The archive grades it L4 · OFFICIAL RECORD — a released government record names who saw it, the top of our scale, though no independent testimony sits beside that record.

Counts are resolved totals of what sources say, computed 2026-10-12; the reported details above are claims in the record, not findings. A record of reports, not a verdict on what happened.

The Lights That Circled Logan
From the case file · released government record · Project Blue Book incident summaries 1–100 (NARA, box 7), p. 135 · released by the Department of War, 2026 ↗
EVENT DATE
8 September 1947, about 22:30 (MST)
LOCATION
Logan, Utah · USA
COORDS
41.74°N 111.83°W
INDEPENDENCE
L4 · OFFICIAL RECORD
SOURCES
3 distinct
CLAIMANTS
7
STATUS
Known from released government records
NUMBERS COMPUTED 2026-10-12 · RESOLVED COUNTS, NOT A VERDICT
VIEW ON ATLAS →

The bridge game broke up at about 10:30 p.m. on 8 September 1947 and the Andersons and the Caldwells stepped out onto the porch. Above Logan, Utah, they saw about a dozen white illuminated objects the size of pigeons flying in group formation at 2,000 to 3,000 feet. The group circled the whole city in one to two minutes, faster than birds and with no wing movement, then went off to the north. The two couples "couldn't make up their minds as to exactly what they saw".

They were not the only ones. Mr and Mrs Norman Hall saw a group like moving stars travel clockwise above the city and change formation. At first they took them for the lights of a plane.

What is on the record

Three released documents carry the night. A set of early incident summaries in the Department of War release lists the porch sighting as Incident 61 and the Halls' as 61a. An FBI memo in the bureau's flying-disc file 62-HQ-83894 adds a third group. Mrs Fred Thunell, her husband and five others saw five groups of 35 to 60 small yellowish-white objects circling Logan at high speed between 10:30 and 11:00 p.m. The memo also notes that two people named in the Salt Lake Tribune of 10 September told agents they had seen nothing and the paper was wrong. They are not counted here.

The third document is Project Blue Book's record card. Its altitude of 29,000 to 39,000 feet conflicts with the 2,000 to 3,000 feet in the summary and the FBI interview, and those two are followed here. The card's conclusion is illegible in the scan, and the incident summary offers none. Hatch lists the case as Blue Book number 62. NICAP also carries it.

The comparison with birds is the witnesses' own. Birds lit from below by the town would be the obvious ordinary reading, and nothing in the file tests it.

Why it sits where it does

L4 · OFFICIAL RECORD: a released government record names who saw it. It identifies seven adults in three separate groups: the Andersons, the Caldwells, the Halls and Mrs Fred Thunell. Their accounts reach the archive only through the incident summary and the FBI. The tier measures sourcing, not truth. What circled Logan that night is not resolved here.

◆ CORROBORATION
✓38_143685_box7_Incident_Summaries_1-100 (government primary)
✓65_HS1-834228961_62-HQ-83894_Section_3 (government primary)
✓1947 09 9669505 Logan Utah 61 (government primary)
✓7 resolved claimants
◆ SOURCES

Everything this file draws on, in the open — reports, not reality. Check us.

Documents & published sources

Government records, papers and journalism the archive links to this case.

government records · 3
DoW UAP Release · 2
38_143685_box7_Incident_Summaries_1-100corroboration
65_HS1-834228961_62-HQ-83894_Section_3corroboration
Project Blue Book (NARA/archive.org) · 1
LIGHTSGOVERNMENT RECORD1947USA

CASE FILES STATE THE RECORD AS OUR ARCHIVE HOLDS IT — FACTS, NOT OPINION. REPORTS, NOT REALITY.

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The Lights That Circled Logan — Case File · Fractured Realities