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Analysis of Unconventional Aircraft Sightings, 1955

Central Intelligence Agency · 1955 · 4 pages · text by GLM-OCR

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From the source: Release of 2026-07-10 Released with redactions. Sections 1 and 2 of this memorandum document a 1955 analysis of reports of “flying saucers” or “unconventional aircraft,” referencing the incident described in observer debriefings contained within CIA-UAP-D020. The memo summarizes the incident as consisting of two lights rising vertically, then passing above the observers. The memo contains caveating language that suggests the author concluded that the reports, as described, did not indicate the presence of an “unconventional aircraft.” Section 3 cites a previous finding by Dr. [Howard] Robertson (of the 1953 Robertson Panel) that “almost all the sightings […] represented no threat to the U.S.” Section 4 discusses the state of then-current research into “saucer-like aircraft” under Project “Y,” a contemporary joint U.S.-Canadian aerospace development program.

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SUBJECT: Flying Saucers or Unconventional Aircraft

in Russia are confirmed, it should not be assumed that these unconventional aircraft have actually been flying around the U.S. and were the source of U.S. public speculation.

4. The USAF is supporting a Project "T" at Avro Aircraft Ltd. in Canada for the development of unconventional saucer-like aircraft. However, this development is still in the early research and development stages with three or more years being required before the production of a first prototype. If the development proves out successful, the calculations indicate that such an aircraft might have a very high ceiling (up to 100,000 feet) with speeds up to 1300 miles per hour, a range of 700 miles and rate of climb of 120,000 feet a minute. A vertical take-off characteristic would, of course, be extremely valuable. Project Y is being directed by John Frost. Mr. Frost is reported to have gotten his original idea for the flying machine from a group of Germans just after World War II. The Soviets may also have obtained information from this German group. (It is suggested that you ask General Samford to report on the progress of the Air Force project at the IAC meeting.)

HERBERT SCOVILLE, JR. Assistant Director Scientific Intelligence

ee: DG/I

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Report, from the pursue collection. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 4 pages are in the text index: search them above, or from the library's search.