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◆ CASE FILEThe facts, corroborated

The Constantine Smoke Trails (1954)

On 18 January 1954, a Constantine newspaper reported, an object trailing a double plume of white smoke circled Saint-Arnaud with a strange sound, a cigar with bluish trails circled Sétif and raced back, and a large luminous rectangle crossed Ouled Djellal for more than half an hour. The account survives as a translation in a CIA digest of foreign press reports, and the local weather station put its smoke trail down to a high aircraft. This is the record of what was reported, not a verdict on what was over Algeria.

◆ THE SHORT VERSION

  • The Constantine Smoke Trails (1954) is a reported UAP case in Saint-Arnaud (now El Eulma), Sétif and Ouled Djellal, Constantine department, French Algeria, Algeria, 18 January 1954.
  • A Constantine newspaper reported that a large, luminous, rectangular object crossed the sky over Ouled Djellal on a straight course for more than thirty minutes on 18 January 1954.
  • Earlier that day, the report said, an object trailing a double plume of white smoke circled Saint-Arnaud, and officers at a nearby establishment heard it make a strange sound.
  • Over Sétif, witnesses described a cigar-shaped object with bluish smoke trails that circled the town and then raced back toward Saint-Arnaud.
  • The weather station at Oued Hamimime airport attributed the smoke trail it saw to a high-flying aircraft; the account survives only as a press item in a CIA digest.
  • For this case Fractured Realities holds 1 distinct source and 1 claimant on its resolved list.
  • The archive grades it L0 · SINGLE ACCOUNT — the archive holds one account of it, from a single source.

Counts are resolved totals of what sources say, computed 2026-10-03; the reported details above are claims in the record, not findings. A record of reports, not a verdict on what happened.

The Constantine Smoke Trails (1954)
From the case file · released government record · CIA reading room document 0005516189, p. 2 · CIA foreign-press report 00-W-30797 with the La Dépêche de Constantine item on the three towns, 18 Jan 1954 · released by the CIA under FOIA ↗
EVENT DATE
18 January 1954
LOCATION
Saint-Arnaud (now El Eulma), Sétif and Ouled Djellal, Constantine department, French Algeria · Algeria
COORDS
36.15°N 5.69°E
INDEPENDENCE
L0 · SINGLE ACCOUNT
SOURCES
1 distinct
CLAIMANTS
1
STATUS
Known from released government records
NUMBERS COMPUTED 2026-10-03 · RESOLVED COUNTS, NOT A VERDICT
VIEW ON ATLAS →

The object drew an immense circle over Saint-Arnaud at half past one in the afternoon and left a double trail of white smoke behind it. Many people in the town watched. Several officers at La Remonte, which the translator took to be a military base nearby, said they heard it make a strange sound. It seemed to have come from the north. An hour later people in Sétif saw an object arrive from the east, moving relatively slowly and giving off bluish smoke trails. It circled above the town for several seconds and then suddenly headed back toward Saint-Arnaud at great speed. Most of the watchers called it cigar-shaped. At 16.45 a large, luminous, rectangular object was seen over Ouled Djellal, some 200 kilometres to the south-west. It held a straight course from east to west for more than thirty minutes.

What is on the record

The source is a newspaper. La Dépêche de Constantine printed the story on 19 January 1954. The CIA translated it into report 00-W-30797, a digest of foreign press items on unidentified flying objects distributed on 30 July 1954 and stamped "unevaluated information". It is a foreign press report the CIA collected, not a CIA investigation. The archive holds two scans of that one report.

The item adds that a similar object had been seen on 16 January, coming from the west that time. It also carries the only check made on the day. The meteorological station at Oued Hamimime airport near Constantine saw a double trail of smoke at 14.00 and concluded that it came from "a plane flying at great altitude". That reading fits the smoke over Saint-Arnaud. It does not reach the luminous rectangle seen late in the afternoon. Nobody in the story is named. The NICAP chronology lists the Sétif sighting, but it draws on this same CIA report, and we found no independent copy of the original article.

Why it sits where it does

L0 · SINGLE ACCOUNT. The archive's two documents are scans of the same press digest and count as one source. The weather station is the only identifiable observer, and it explained what it saw as an aircraft. The tier measures sourcing rather than truth. What crossed Ouled Djellal that afternoon is not resolved here.

◆ 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.

journalism · 1
CIA UFO Collection (FOIA) · 1
CIGAR-SHAPED OBJECTUNEXPLAINED LIGHT1954ALGERIA

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

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The Constantine Smoke Trails (1954) — Case File · Fractured Realities