Documents / Report
This U.S. Air Force compilation, released by the U.S. Department of War, holds numbered checklists and survey sheets for flying object incidents 1 through 100. It covers sightings by officers, test pilots and civilians at Muroc Army Air Field on 7 and 8 July 1947, and sightings by Portland, Oregon police on 4 July 1947. It also includes fireballs seen over California, Nevada and Oregon on 30 December 1947, a Houston fireball, and Finnish reports from January 1948.
From the source:Release of 2026-06-12 Incident: United States. Includes a "Check-List - Unidentified Flying Objects" that contains details about the incident. Many summaries also include witness lists or statements and other narrative reports or descriptions.
“Anderson”4 pages
Read from the scan by GLM-OCR; expect the odd misread word.
1. Date 24 Aug 47
2. Time 1600 hours
3. Location 5 miles southwest of Placerville, Calif.
1. Tone of observer Mr Ray A. Switzer and wife
5. Occupation of obgorvor Switzer is an Insurance Executive with the firm of McQuire & Wallis and a graduate of the Univ of Calif.
6. Address of observer Boy h3, Aukum, Eldorado County, Calif.
7. Place of observation Between 4 and 5 miles southwest from Placeville on Cedar Ravine Road. $ 3 8^{\circ} $ $ 4 2^{\circ} $ $ 4 5^{\circ} $ N. Let x $ 1 2 0^{\circ} $ $ 4 7^{\circ} $ $ 1 5^{\circ} $ W. Long. 8. Number of objects 1
9. Distance of object from observer Estimated distance seemed about 750 ft
10. Time in sight short period
11. Altitude 500 to 1,000 ft
12. Speed high rate of speed
13. Direction of flight north to south
11. Tactics in a very shallow dive
15. Sound B/3
16. Size Seemed to be about 5 feet long by some 12 to 14 inches in depth
17. Color polished chromium
18. Shape Seemed rectangular except for a short period when it appeared to have a slightly curved top surface. Seemed tilted in semi-circle. More rocket-shaped than disc-shaped 19. Use detected I/S
20. Apparent construction metallic
21. Exhaust trails B/S - a white smoke trail was first observed later object was enveloped in puff of dark gray smoke
22. Weather conditions fair with sunshine
23. Effect on clouds M/S
21. Skotohos or photographs None
25. Manner of disappearance disappeared in puff of dark gray smoke
26. Romarks: (over) Report, from the pursue collection. 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. 253 pages are in the text index: search them above, or from the library's search.