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This Project Blue Book file, released through The Black Vault, covers the RB-47 encounter of 17 July 1957 over Mississippi, Louisiana, Texas and Oklahoma. It includes the record card, which lists the sighting as identified as American Airlines flight 655, and Air Defense Command correspondence that carried the sighting as unknown. There is also Major Lewis D. Chase's observer data sheet and an electronic analysis finding it difficult to conclude nothing was present. James McDonald's reconstructed account is included, along with a CAA letter about airliner incidents.
Read from the scan by GLM-OCR; expect the odd misread word.
NOV 8 1957 Brig. Gen. Harold E. Watson, USAF Air Technical Intelligence Center Wright-Patterson Air Force Base, Ohio ## Dear General Watson: This will acknowledge receipt of your letter, reference number AFCIN-4E, dated October 7, 1957, in which you requested copies of the Civil Aero- nautics Administration final report of investigation of two incidents involving commercial airliners and the sighting of unidentified flying objects, which had been previously reported in local newspapers. The first incident mentioned occurred on July 22, 1957, near Amarillo, Texas, and involved Trans World Airlines' Flight No. 21. Subsequent investigation proved that the unidentified object was another aircraft which was displaying the proper navigation lights. The true identity of this aircraft was never determined, however, it is assumed that it was a U. S. Air Force KC-97 aircraft which was known to be operating in the area at the time of the incident. The second incident mentioned occurred on July 17, 1957, near El Paso, Texas, and involved American Airlines' Flight No. 655. Investigation of this incident definitely established the fact that the unidentified flying object was American Airlines' Flight No. 966, which had previously departed from El Paso, Texas, en route to Dallas, Texas. Since both incidents, referred above, have been determined to involve other aircraft, it is assumed that the above information will suffice for your records. In accordance with your request, we are establishing a procedure whereby your organization will be informed of the results of all Civil Aeronautics Administration investigations involving civilian aircraft and the sighting of unidentified aerial phenomena. Sincerely yours, Roy Keeley Director, Office of Flight Operations and Airworthiness
Document, cited by the archive. 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. 57 pages are in the text index: search them above, or from the library's search.