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CIA-UAP-015, Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)

Central Intelligence Agency · 312 pages · text from the file's own layer

This CIA archives copy, released in 2026, holds Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects). The Air Technical Intelligence Center at Wright-Patterson Air Force Base issued it on 5 May 1955. The study reduced about 4,000 sighting reports from 1947 to 1952 to IBM punched cards, with 3,201 cases charted, and applied chi square tests to compare known and unknown sightings. It concludes that it is highly improbable the reports represent technological developments beyond present-day scientific knowledge.

From the source:Release of 2026-06-12 This is the USAF Project Blue Book with a CIA cover sheet stating the document is "Official Record Copy." With the exception of the handwritten note on the first page, the content of this document has been available on CIA's public website.

Open the PDF at page 112 Original source ↗

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Table Al 59.
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INDEX OF TABLES
(Continued)
Evaluation of Object Sightings for All Years by Reported Speeds of Objects, Stationary 207
Evaluation of Object Sightings for All Years by Reported Speeds of Objects,
Than One Hundred Miles per Hour .
Less
207
Elevation of Object Sightings for All Years by Reported Speeds of Objects,
Hundred to Four Hundred Miles per Hour.
One
208
Evaluation of Object Sightings for All Years by Reported Speeds of Objects,
Four Hundred Miles per Hour.
Over
208
Evaluation of Object Sightings for All Years by Reported Speeds of Objects,
Meteor-Like Speeds . 209
Evaluation of Object Sightings for All Years by Reported Speeds of Objects,
Speed Not Stated • 209
Evaluation of All Sightings for All Years by Light Brightness. 210
Evaluation of Unit Sightings for All Years by Light Brightness 211
Evaluation of Object Sightings for All Years by Light Brightness 212
Location of Observers During Sighting by Months for All Sightings, All Years 213
Location of Observers During Sighting by Months for All Sightings,
Location of Observers During Sighting by Months for All Sightings,
Location of Observers During Sighting by Months for All Sightings,
Location of Observers During Sighting by Months for All Sightings,
Location of Observer During Sighting by Months for All Sightings,
Location of Observers During Sighting by Months for All Sightings,
1947 214
1948 215
1949 216
1950 217
1951 . 218
1952 219
Evaluation of All Sightings for All Years by Colors Reported for Duration
of Sighting, White or Glowing White Objects . 220
Evaluation of All Sightings for All Years by Colors Reported for Duration
of Sighting, Metallic Obje:::ts . 220
Evaluation of All Sightings for All Years by Colors Reported for Duration
of Sighting, Object Color Not Stated 221
Evaluation of All Sightings for All Years by Golors Reported for Duration
of Sighting, Orange or Glowing Orange Objects • 221
Evaluation of All Sightings for All Years by Colors Reported for Duration
of Sighting, Red or Glowing Red Objects . 222
Evaluation of All Sightings for All Years by Colors Reported for Duration
of Sighting, Green or Glowing Green Objects 222
Evaluation of All Sightings for All Years by Colors Reported for Duration
of Sighting, Yellow or Glowing Yellow Objects . 223
Evaluation of All Sightings for All Years by Colors Reported for Duration
of Sighting, Objects of Other Colors 223
Evaluation of Unit Sightings for All Years by Colors Reported for Duration
of Sighting, White or Glowing White Objects . 224
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Case file, from the pursue collection. The PDF is mirrored here; the original link is above. 312 pages are in the text index: search them above, or from the library's search.