A bus passenger travelling through Guatemala on 17 January 1953 reported a brilliant greenish-gold object near Volcán de Fuego. He described a short horizontal flight, an apparent vertical rise and a brief pause before the object continued. The released United States Air Force file is substantial enough to follow how his account was collected, while also showing the limits of its corroboration. Its administrative closure and its unidentified assessment mean different things.

A report made in New York
The witness was a United States citizen resident in Guatemala who contacted the Air Force’s Office of Special Investigations while visiting New York. Special Agent Henry M. Langlois conducted the inquiry in early February. The interview record describes the source’s background and his familiarity with the country, but personal credentials alone cannot establish the identity or performance of a distant object.
The source supplied notes and a sketch said to have been made about thirty minutes after the observation. During the interview he marked his position and Fuego on a road map. Copies of the sketch and map are retained in the released packet. These are useful records of what he described soon afterwards; neither is a photograph or an independently measured reconstruction of the object’s position.
The case was reported as a ground visual observation, although the observer was moving in a bus. The interview places him on Route 3, travelling from Guatemala City towards Panajachel, at about 15:55 local standard time, corresponding to 21:55 Zulu in the record. The vehicle was on a winding, descending section when he looked through an open window. That moving vantage point is important when assessing apparent motion against distant terrain.
An object against the volcano
The witness described an outline flattened in the vertical direction, with its vertical axis about half its horizontal axis. He thought it symmetrical and compared its appearance with an airship lacking visible rudders or stabilisers. He could not determine whether it had projecting features and acknowledged that its distant appearance seemed essentially two-dimensional. The record does not establish a detailed engineered structure.
Its colour was a brilliant greenish gold, predominantly golden, which he considered possibly affected by the bright sunlight. He saw no exhaust or trail and identified no propulsion system. No relevant sound was heard, but he noted that the bus was extremely noisy. Thus the lack of an audible engine should not become a strong claim of silent propulsion under conditions that could mask sound.
The interview records an estimate around the size of a DC-3 aircraft, while the summary card describes twice that size. The witness based his comparisons on previous aircraft observations in the area and demonstrated a hand-aperture method to the investigator. Such a comparison preserves his estimate of apparent size. It does not independently fix both distance and physical dimensions, because an unfamiliar object’s distance remains uncertain.
Twenty-two seconds of reported movement
The detailed narrative gives an estimated distance of about eighteen kilometres and an initial altitude of approximately 6,500 feet, around two thousand feet above the observer. The source estimated a horizontal speed of four hundred miles per hour by comparison with aircraft he had seen in the region. These figures came from his interpretation of the view, rather than radar or a calibrated photographic sequence.
After roughly ten to fifteen seconds, the object reportedly slowed almost to a stop, rose vertically by an estimated 1,500 feet and hovered for about two seconds. It then resumed a northwesterly horizontal course at the higher level. The witness said he used his stopwatch-type wristwatch to establish a total duration of twenty-two seconds. The investigator recorded approximately fifteen seconds on the first level, two hovering and five on the second.
The object disappeared behind intervening mountains as the bus continued descending. A terrain obstruction is different from the object vanishing physically or accelerating beyond measurement. The report also says that the usual plume from Fuego appeared unaffected. That observation does not demonstrate an interaction with the volcano, an eruption-related explanation or a special connection between unusual aerial reports and volcanoes.
How much corroboration survives
The bus carried other passengers, a driver and a conductor, but the file does not contain a set of independent interviews with them. The main witness suggested that people at Antigua might also have observed the object. A suggestion of potential witnesses is not evidence that they were located and confirmed the encounter. The record does not document a field inquiry in Guatemala that resolved this.
The investigator did record a brief account attributed to another passenger, who reportedly saw a golden object for four or five seconds. This is narrower than the principal account. It does not separately establish the twenty-two-second sequence, the vertical distance or the apparent hovering. The reviewed packet does not show a second full OSI interview reproducing all those details.
The original discussion makes assumptions about which Indigenous passengers would have noticed or remembered the object. Those assumptions are not adopted here and cannot substitute for asking the passengers. A source’s confidence about another person’s likely perception is not an investigation of it. The appropriate limitation is the absence of their recorded evidence, rather than an inference about their capacity to observe.
The official labels
The summary card retains an unidentified conclusion and comments that an aircraft explanation was difficult to reconcile with the reported hovering. That reasoning depends on accepting the apparent stop as an actual motion of the object. The file does not supply the independent distance and motion measurements that would turn an apparent manoeuvre from a moving bus into a demonstrated flight performance.
The OSI report is marked closed. This describes the inquiry’s status, not a finding that the object was explained or that unusual technology was established. The released materials preserve the interview, notes, drawing and map; they do not identify a conventional object or prove a paranormal origin. Both the closed heading and the unidentified card can be accurately reported without treating either as a solution.
Assessment, date and map
The outcome is insufficient evidence. There is a detailed, early-recorded witness account, but no photographic or radar confirmation and little independently documented corroboration of its decisive movements. The available record does not demonstrate a hoax, an ordinary identification or extraordinary performance. An unidentified label should not imply stronger evidence than the underlying observation supports.
The map marks an approximate Fuego volcano-area reference, using the Smithsonian Global Volcanism Program’s position of 14.4748°N, 90.8806°W, rounded to 0.01°. It is not the bus position, a reconstruction of the object’s path or permission to visit the volcano. The original map and interview establish Fuego as the landmark; geographical estimates in a sighting report are not treated as surveyed positions. The incident-year filter records 1953, not the later interview, summary-form or archive-upload year.
The principal source is the nine-page released file, including the OSI interview, summary, witness sketch and road map. The Smithsonian Fuego record supplies the geographical reference. This is a historical observation account, with no current visitor venue enabled. For a separate report whose balloon inquiry produced a qualified outcome, see Guayanilla, 1954.

