Arlington Heights. Illinois, November 1961November 1961

Insufficient Data

Summary

On November 7, 1961, a military and civilian radar report came from the Arlington Heights, Illinois, area at about 7:55 a.m. The objects were tracked on radar. Three objects were reported, moving in trail at an azimuth of about 115 to 123 degrees. The elevation was unknown. The objects' speed was put at about 4,000 knots, or about 4,000 feet at one point in the report. Two of the objects were lost in ground clutter. Each was tracked for about one minute. The Air Force noted the radar analyst could not fully evaluate the track without knowing the scope's operating details. The case was listed as insufficient data.

Reported location

Arlington Heights. Illinois, November 1961

Date of incident

November 1961

State / country

? / XX

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 44

Original case file scans

Original case file · scanned by NARAPage 1 of 4

View transcribed text

. PROJECT 10073 RECORD CARD
1. DATE 2. LOCATION 12. CONCLUSIONS od
- 3 AD Xa 2 0 Was Balloon :
T Nov ol Arlington Heights. Illinois OD Probably Balloon
3. DATE-TIME GROUP 4 TYPE OF OBSERVATION 0. Possibly Bollcon
A X% % 0 Was Aircraft
Local RS 0 Ground-VYisuel O Ground-Redar 0 Probably Aircraft
GREE FL ft AREA ER 0 Ai~Visuol 0 Air-Intercept Radar DO Possibly Aircraft
5. PHOTOS - SOURCE 0 Was Astronomico!
0 Yes 0 Probably Astronomicol
XXNo Military znd Civilian O Possibly Astronomical
7. LENGTH-OF OBSERYATION 8. NUMBER OF OBJECTS | 9. COURSE 0 J 0] |] ARS PAL AnL 0 NE EO NS SH
¥BD Insufficient Dota for Evaluation
§ 0 Unknown
1 min 3
—_—_— Eo oer oT TE rE TT TR TY EE a AT TEE eV SIRE fT EE Ts Te
10. BRIEF SUMMARY OF SIGHTING 5 ODJUS 14 Trail 80 -_55|11, COMMENTS ype Of radar not includad.,
speed azimuth 123°, elev unknown, Lost in grcungRadar analyst not able to evaluate withou
clutter. Speed =:ztablished at 4000 knots. knowing scope operation characteristics
such as number of rpm's etc. Case listed
as insufficient data.
ATIC FORM 329 (RXV 2¢ SEP $2)
#
. \

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Source: National Archives Catalog · NAID 28995482