28930050.pdf

UNCLASSIFIED

Incident #31

ATIC NO. _____________________________________________________________________________________________
DATE OF INFO mid-December 47

AP NO. _____________________________________________________________________________________________
LOCATION Northern Arizona

NROOFT NO. _____________________________________________________________________________________________
SOURCE Well known Aerodynamist

DATE OF NROOFT _____________________________________________________________________________________________
DATE IN TO ATIC _________________________________________________…

SECRET
CONFIDENTIAL - PROBABLE UNDER CONTROL

1. Date 1st December 1945
2. Time Early morning
3. Location Northern Arizona, Route 60
4. Name of observer
5. Occupation of observer Parliament
6. Address of observer University of Colorado, Boulder, Colorado
7. Place of observation in flight on a trip through the southeast
8. Number of objects
9. Distance of object from observer Not stated
10. Time in sight Not stated
11. Altitude 20,000 feet to 60,000 feet
12. Speed 600 mts. A.G.S.
13. Direction of flight First vertical then east to East overcast
14. Tactics to endeavors
15. Sound None
16. Size N…

Dr HYNEK'S EVALUATIONS EXTRACTED FROM PROJECT GRUDGE REPORT.

INCIDENT INDEX

1. Astronomical

a. High probability:
#26, 27, 30, 31, 32, 33, 34, 48, 49, 59, 60, 66, 69, 70, 94, 95, 96, 97, 98, 101, 102, 103, 104, 116, 119, 132, 136, 140, 147, 148, 158, 174, 184, 185, 187, 197, 203, 204, 208, 216, 219, 238.

b. Fair or low probability:
#19, 20, 23, 24, 28, 35, 36, 46, 50, 63, 67, 80, 82, 93, 100, 112, 120, 121, 129, 130, 144, 153, 165, 166, 167, 175, 192, 199, 202, 205, 220, 230, 240.

2. Non-astronomical but suggestive of other explanations

a. Balloons or ordinary aircraft:
#3, 11, 22, 41, 42…