Drury’s film: following the custody trail

The civil aviation memorandum — Australian Department of Civil Aviation; United States Air Force archive copy
Document scan. 31 August 1953 government memorandum, PDF page 2. Its heading and quoted sighting date differ; the quoted account specifies Sunday 23 August.
Public domain — Australian Crown copyright expired (government record created before 1974)
· Original image source · Image licence

A civil aviation official filmed a small bright object and a trail. Decades of investigation focused as much on where the film went as on what it showed.

World: Earth
Location: Papua New Guinea
Case date or period: 23 August 1953

What Drury put on record

At noon on 23 August 1953, civil aviation official Tom Drury was near the marine workshops at Port Moresby when he noticed a high cloud or trail forming. He reported a small object emerging and apparently climbing away, leaving a distinct trail. He filmed it with a movie camera and telephoto lens. The contemporary departmental memorandum is unusually useful about uncertainty: Drury could not give an accurate shape or size. Although he thought it resembled a very fast aircraft, that was his interpretation of a distant appearance, not an identification.

An international request for evidence

The report reached the United States Air Force through its Australian attaché. A 15 September request in the surviving file asked officials to obtain the film and supporting scientific information about the reported manoeuvres. The request is evidence of interest and an attempt to collect material. It does not show that the film had already confirmed exceptional performance. The original Australian memorandum and the American request are reproduced here. Reading them together keeps the initial observation separate from the administrative process that later surrounded the footage.

What the processing actually yielded

Keith Basterfield’s work on the digitised Australian files recovered a traceable sequence: the film went from civil aviation authorities to the Department of Air, then to the United States, and subsequently returned. Departmental correspondence described the result as a small blur or light moving across the film, without an established identification. It also recorded requests from civilian researchers for prints. This paper trail is much more informative than simply saying that the military took the film. It shows exchanges and disappointing image quality, while leaving the interpretation of the filmed phenomenon open.

Independent researchers revisit the case

Bill Chalker investigated the Australian military files and the history of civilian efforts to inspect the evidence. Later, Basterfield and Paul Dean assembled a detailed chronology from Australian records, American case material and earlier published accounts. Their cold-case method allowed dates and repeated claims to be checked against documents created close to the event. It also exposed the limits of a retrospective investigation: the original witnesses and complete original material were not all available for a new examination. A more complete history does not automatically provide a better-resolved image of the object.

Why the date and the film matter

The case accumulated inconsistent dates, including confusion between the day of the sighting and the date of its report. The memorandum itself carries a heading referring to 24 August while quoting Drury’s observation on Sunday the 23rd. The investigators’ chronology helps prevent those inconsistencies becoming separate incidents. It also separates the original movie, later prints and subsequent copies. Each generation can lose information. Claims that missing frames demonstrate deliberate concealment require evidence beyond an incomplete surviving copy or an unsuccessful search for material decades afterwards.

An image with an unresolved identity

The initial description could not distinguish a small nearby object from a much larger distant one, and apparent climbing motion alone does not determine a three-dimensional trajectory. Basterfield and Dean considered conventional possibilities as part of their review rather than declaring the case solved by the absence of a clear aircraft identification. The local gallery contains authentic investigation pages, not a reconstruction presented as Drury’s footage. The remaining question is narrower than many retellings suggest: what phenomenon produced the small filmed image and trail, and how much can the surviving generations of evidence still tell us?