S Of Knoxville, TennesseeNovember 1957

Insufficient Data

Summary

On November 11, 1957, south of Knoxville, Tennessee, a civilian witness observed an unidentified object similar to an electric light bulb the size of a basketball. The object was yellow, then turned white. It moved up and down, taking about 20 to 25 seconds to travel between two points before suddenly disappearing. The observation lasted five minutes and was viewed through a picture window of a house. Wind conditions were calm with clear skies. A check with balloon schedules showed a balloon was launched just prior to the time of the sighting. The Air Force evaluation is listed as Unknown.

Reported location

S Of Knoxville, Tennessee

Date of incident

November 1957

State / country

TN / US

Page count

3 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 30

Original case file scans

Original case file · scanned by NARAPage 1 of 3

View transcribed text

PROJECT 10073 RECORD CARD

1. DATE
11 November 1957

2. LOCATION
S of Knoxville, Tennessee

3. DATE-TIME GROUP
Local ___
GMT 12/0055Z

4. TYPE OF OBSERVATION
Ground-Visual
Ground-Radar
Air-Visual
Air-Intercept Radar

5. PHOTOS
Yes
No

6. SOURCE
Civilian

7. LENGTH OF OBSERVATION
5 minutes

8. NUMBER OF OBJECTS
One

9. COURSE
Up

12. CONCLUSIONS
Was Balloon
Probably Balloon
Possibly Balloon
Was Aircraft
Probably Aircraft
Possibly Aircraft
Was Astronomical
Probably Astronomical
Possibly Astronomical
Insufficient Data for Evaluation
Unknown

10. BRIEF SUMMARY OF SIGHTING
Object similar to electric light bulb, size of basketball, yellow then turning white. Moving up and down taking about 20-25 seconds from one point to another. Suddenly disappeared.

11. COMMENTS
A check with the balloon schedules shows a balloon was launched just prior to the time of this sighting.

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Source: National Archives Catalog · NAID 28974589