Documents / Report
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.
“US Navy”1 page
Observer's Data Sheet Question Punched Card Column Code Description 6. 7. a. 1 0 . Ui* U2* U3* Where observer was Moving - Stopped Hovr observed 12. 12a. liU* 1 2 c . US* 12e, 1*6* 12g. hi* 1 2 i . lUb. k&* 12b. 19 U9* 12b. 19 50* 12d. lite.20 51* Sound Color Number Light-color Speed Shape a / b Size 2U. "6"2* 63 2U. 65* 66* 67* Appearance Description h. 12h. 15. 1 3 . 1U. 1 7 . 1 2 1 . 1 8 . 12f. 1 1U. 18. 16 2 1 . 1 9 . Uf. 52* 53* 19 5<U* 55* 56* 57* 58* 59 60 61* Light brightness Angular velocity Angular acceleration Describe appearance Describe disappearance Initial elevation Final elevation Altitudej_1000 ft. Object orientation Motion Elevation Altitude Civilian occupation Observer Service occupation 68 69 70 71 72 73 7U 75 76* 77* 7a* 79* 80* Observer Report Preliminary Final Evaluation Identification * Denotes separate code key i s needed. 300
Report, cited by the archive. The PDF is mirrored here; the original link is under it. 309 pages are in the text index: search them above, or from the library's search.