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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.
# UNCLASSIFIED 18. If you saw the object at night, twilight, or down, what did you notice concerning the stars and moon? STARS (Circle one) a. None b. A few c. Many d. Don't remember MOON (Circle one) a. Bright moon light b. Dull moonlight c. No moonlight - pitch dark d. Don't remember 19. Was the object brighter than the background of the sky? (Circle one) a. Yes b. No c. Don't remember 20. If it was BRIGHTER THAN the sky background, was the brightness like that of an automobile headlight? (Circle one) a. A mile or more away (a distant cur)? b. Several blocks away? c. A block away? d. Several yards away? e. Other Intense Blue- White Light. 21. What were the wind conditions at the time you saw the object? (Circle one) a. No wind b. Slight breeze c. Strong wind d. Don't remember USUAL WIND AT ALTITUDE - 260/50K 22. What type of cloud cover were you flying through at the time you saw the object? (Circle one) a. Clear. b. Overcast c. Undercast d. Above scattered clouds e. Below scattered clouds f. Through scattered clouds g. Other___ 23. Did the object appear: (Circle one) a. Solid? b. Transparent? c. Don't know. UNCLASSIFIED
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.