U.S. Air Force Analysis of Flying Objects in the United States, 101-172

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CHECK-LIST - UNIDENTIFIED FLYING OBJECTS

Incident # 123

1. Date 11 April 1948

2. Time 2330

3. Location 4 miles north of Alton, Illinois

4. Name of observer Col W. F. Siegmund

5. Occupation of observer Former Commandant of the Air Base at Kearns, Utah and at present sales manager for Western Cartridge, Co., Alton.

6. Address of observer Western Cartridge, Co., Alton, Ill.

7. Place of observation 4 miles north of Alton, Ill - ground

8. Number of objects 1

9. Distance of object from observer N/S

10. Time in sight N/S

11. Altitude N/S

12. Speed N/S

13. Direction of flight N/S

14. Tactics "flapped its wings"

15. Sound N/S

16. Size "bigger than an airplane"

17. Color N/S

18. Shape Resembled a huge fowl and not a type of aircraft

19. Odor detected N/S

20. Apparent construction N/S

21. Exhaust trails N/S

22. Weather conditions N/S

23. Effect on clouds N/S

24. Sketches or photographs None

25. Manner of disappearance N/S

26. Remarks: Col Siegmund said he observed the creature at about 11:30 A. M. 11 Apr 48, while riding four miles north of Alton, Ill (over)

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