Documents / Report

Project Blue Book Special Report (second copy)

Internet Archive · 309 pages · text from the file's own layer

This is Project Blue Book Special Report No. 14, "Analysis of Reports of Unidentified Aerial Objects," Project No. 10073, dated 5 May 1955. The study reduced about 4,000 sighting reports received by the U.S. Air Force between June 1947 and December 1952 to IBM punched cards and analyzed them statistically, including chi square tests comparing knowns with unknowns. It concludes that the reports very probably do not represent technological developments beyond present scientific knowledge, and it notes that no case produced physical evidence.

Open the PDF at page 105 Original source ↗

“Jet Propulsion Laboratory”1 page

  • p. 94 …approach the speed of a jet before it disappeared. No propulsion was apparent. Time of observation…
INDEX OF TABLES
(Continued)
Page
Table A34. Evaluation of Unit Sightings by Sighting Reliability Groups, 1948 132
Table A35. Evaluation of Unit Sightings by Sighting Reliability Groups, 1949 . 132
Table A36. Evaluation of Unit Sightings by Sighting Reliability Groups, 1950 133
Table A37. Evaluation of Unit Sightings by Sighting Reliability Groups, 1951 , 133
Table A38. Evaluation of Unit Sightings by Sighting Reliability Groups, 1952 133
Table A39. Evaluation of Object Sightings by Sighting Reliability Groups, All Years 134'
Table A40. Evaluation of Object Sightings by Sighting Reliability Groups, 1947 134
Table A41. Evaluation of Object Sightings by Sighting Reliability Groups, 1948 134
Table A42. Evaluation of Object Sightings by Sighting Reliability Groups, 1949 134
Table A43. Evaluation of Object Sightings by Sighting Reliability Groups, 1950 135
Table A44. Evaluation of Object Sightings by Sighting Reliability Groups, 1951 135
Table A45. Evaluation of Object Sightings by Sighting Reliability Groups, 1952 135
Table A46. Evaluation of All Sightings for All Years by Sighting Reliability Groups,
Military Observers 136
Table A47. Evaluation of All Sightings for All Years by Sighting Reliability Groups,
Civilian Observers 136
Table A48. Evaluation of All Sightings for 1947 by Sighting Reliability Groups,
Military Observers . ' 136
Table A49. Evaluation of AH Sightings for 1947 by Sighting Reliability Groups,
Civilian Observers 136
Table A50. Evaluation of All Sightings for 1948 by Sighting Reliability Groups,
Military Observers 137
Table A51. Evaluation of All Sightings for 1948 by Sighting Reliability Groups,
Civilian Observers 137
Table A52. Evaluation of AU Sightings for 1949 by Sighting Reliability Groups,
Military Observers 137
Table A53. Evaluation of All Sightings for 1949 by Sighting Reliability Groups,
Civilian Observers 137
Table A54. Evaluation of All Sightings for 1950 by Sighting Reliability Groups,
Military Observers 138
Table A55. Evaluation of All Sightings for 1950 by Sighting Reliability Groups,
Civilian Observers 138
Table A56. Evaluation of All Sightings for 1951 by Sighting Reliability Groups,
Military Observers 138
Table A57. Evaluation of All Sightings for 1951 by Sighting Reliability Groups,
Civilian Observers . 138
Table A58. Evaluation of All Sightings for 1952 by Sighting Reliability Groups,
Military Observers 139
I
98

Cited by

Cases discussed

About this file

Report, cited by the archive. The PDF is mirrored here; the original link is above. 309 pages are in the text index: search them above, or from the library's search.