28936614.pdf

|  PROJECT 10073 RECORD  |   |
| --- | --- |
|  DATE - TIME GROUP | 3. ATION KNOXVILLE, Tennessee  |
|  Sep 49 1/2230Z |   |
|  SOURCE Civilian | 10. CONCLUSION AIRCRAFT Evaluated on flight description and characteristics.  |
|  NUMBER OF OBJECTS One |   |
|  4. LENGTH OF OBSERVATION 2½-3 Minutes | 11. BRIEF SUMMARY AND ANALYSIS Observer sighted an object which appeared to be disc shaped and flat, and from the sun's reflection appeared to be made of a metal similar to that used in airplane construction. There was no evidence of exhaust or vapor trails and no sound was heard. The object faded f…

UNCLASSIFIED
1/22.712
NARA

|  UNITED STATES AIR FORCE THE INSPECTOR GENERAL OFFICE OF SPECIAL INVESTIGATIONS REPORT OF INVESTIGATION | FILE NO. 24-45 DATE 3 October 1949  |
| --- | --- |
|  TITLE SIGHTING OF UNIDENTIFIED FLYING OBJECT ON 1 SEPTEMBER 1949 AT KNOXVILLE, TENN BY MR. and MR. | REPORT MADE BY ARTHUR J. DALE REPORT MADE AT DO #6, Maxwell AFB, Alabama PERIOD 19,21 September 1949 OFFICE OF ORIGIN DO #6, Maxwell AFB, Alabama STATUS CLOSED  |
|  CHARACTER SPECIAL INQUIRY |   |
|  REFERENCE Rpt of Invest by S/A ARTHUR J. DALE, DO #6, dtd 12 September 1949 file 24-45 |   |

SYNOPSIS

Win…

UNCLASSIFIED
DETAILS:

1. On 19 September 1949 a check of the records of the U. S. Weather Bureau, McGee-Tyson Airport, Knoxville, Tennessee, revealed that weather balloons were released on 1 September 1949, as follows:

|  0400 hrs: | Altitude-MSL | Direction (degrees) | Velocity  |
| --- | --- | --- | --- |
|  Surface | Calm | Calm | Calm  |
|  2000 feet | 330 | 3 | 3 knots per hr  |
|  3000 " | 320 | 3 | 6 knots per hr  |
|  4000 " | 310 | 3 | 8 knots per hr  |
|  5000 " | 320 | 3 | 10 knots per hr  |
|  6000 " | 320 | 3 | 9  |
|  7000 " | 320 | 3 | 6  |
|  8000 " | 300 | 3 | 12  |
|  10000…

UNCLASSIFIED

2. There were no instruments attached to the baloons released by the Knoxville Weather Station.

AT CHATTANOOGA, TENN

3. On 21 September 1949 a check of the Winds Aloft Reports of the Weather Records Processing Center, Federal Building, Chattanooga, Tennessee, revealed the following:

|  Altitude (feet) 0400 hrs: | Direction | Knots Per Hr  |
| --- | --- | --- |
|  2000 | W | 20  |
|  4000 | WNW | 30  |
|  6000 | W | 39  |
|  8000 | W | 40  |
|  10000 | WSW | 36  |
|  1000 hrs |  |   |
|  2000 | NW | 16  |
|  4000 | NW | 12  |
|  6000 | WNW | 24  |
|  8000 | WNW | 26  |
|  10000…

CONFIDENTIAL UNCLASSIFIED

Spartanburg, S. C. (Continued)

|  1600 hrs |  |   |
| --- | --- | --- |
|  2000 | NE | 7  |
|  4000 | ENE | 4  |
|  6000 | WSW | 4  |
|  8000 | N | 6  |
|  10000 | NE | 10  |
|  18000 | W | 13  |
|  2200 hrs |  |   |
|  2000 | ENE | 5  |
|  4000 | ENE | 6  |
|  6000 | ESE | 9  |
|  8000 | SE | 5  |
|  10000 | ESE | 4  |
|  18000 | W | 4  |

AT GREENSBORO (Radio Sonde)
0400 hrs 1 Sep 49
No Record

|  1000 hrs |  |   |
| --- | --- | --- |
|  2000 | WNW | 7  |
|  4000 | NW | 21  |
|  6000 | NW | 24  |
|  8000 | W | 23  |
|  10000 | W | 23  |
|  18000 | W | 25  |
|  160…

AT ATLANTA, GA (Continued) UNCLASSIFIED

|  18000 | W | 23  |
| --- | --- | --- |
|  1000 hrs: |  |   |
|  2000 | NNW | 15  |
|  4000 | NW | 14  |
|  6000 | NW | 15  |
|  8000 | NW | 16  |
|  10000 | W | 11  |
|  18000 | WNW | 11  |
|  1600 hrs |  |   |
|  2000 | NNW | 10  |
|  4000 | N | 7  |
|  6000 | N | 9  |
|  8000 | NNE | 12  |
|  10000 | NNW | 10  |
|  18000 | WSW | 16  |
|  2200 hrs |  |   |
|  2000 | NNE | 11  |
|  4000 | E | 10  |
|  6000 | ESE | 10  |
|  8000 | E | 12  |
|  10000 | ENE | 13  |
|  18000 | WSW | 11  |

AT NASHVILLE, TENN (Balloon)

|  0400 hrs 1 Sep 49 |  |   |
| --- …

CONFIDENTIAL

AT NASHVILLE, TENN (Continued)

|  2200 hrs 1 Sep 1949 | Direction | Knots per hr  |
| --- | --- | --- |
|  2000 | ENE | 12  |
|  4000 | ESE | 12  |
|  6000 | E | 11  |
|  8000 | NNE | 12  |
|  10000 | WSW | 6  |
|  18000 | W | 7  |

AT CHATTANOOGA, TENN (Balloon)

|  0400 hrs 1 Sep 1949 | Direction | Knots per hr  |
| --- | --- | --- |
|  2000 | N | 15  |
|  4000 | N | 23  |
|  6000 | NNW | 22  |
|  8000 | WNW | 13  |
|  10000 | W | 23  |
|  1000 hrs | Direction | Knots per hr  |
| --- | --- | --- |
|  2000 | NNE | 9  |
|  4000 | RNW | 15  |
|  6000 | NW | 16  |
|  8000 | NW | 1…

DEPARTMENT OF THE AIR FORCE
HEADQUARTERS UNITED STATES AIR FORCE
WASHINGTON 5D-OSI/JEM/VZ
UNCLASSIFIED
THE INSPECTOR GENERAL, USAF
5TH DISTRICT OFFICE OF SPECIAL INVESTIGATIONS
WRIGHT-PATTERSON AIR FORCE BASE, DAYTON, OHIO
IN REPLY REFER TO. 5D 24-21-41 7 October 1949
SUBJECT: PROJECT GRUDGE - Flying Objects, Knoxville, Tennessee 1 September 1949
SPECIAL INQUIRY

TO: Commanding General
Air Materiel Command
Wright-Patterson Air Force Base
Dayton, Ohio
ATTN: MCIAYS

1. Reference is made to report of investigation of Special Agent ARTHUR J. DALE, DO #8, dated 12 September 1949, forwarded your off…