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Case FileNARA NAID 28996861 · T1206 Roll 45

Project Blue Book Case File

Danville, IllinoisApril 1962

Unidentified

Summary

Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Danville, Illinois in April 1962. The full case file (5 scanned pages of witness statements, Air Force memoranda, and investigator notes) is reproduced below as held by the National Archives. The Air Force assigned this case to its broader investigation of unidentified aerial phenomena alongside ~12,600 other reports filed between 1947 and 1969. Citation: NARA Record Group 341, Microfilm Publication T1206, Roll 45.

Reported location

Danville, Illinois

Date of incident

April 1962

State / country

IL / US

Page count

5 scanned pages

USAF evaluation

unidentified

Microfilm

T1206, Roll 45

Original case file scans

Original case file · scanned by NARAPage 1 of 5
Transcribed text
es ese aad i ERR ae ag
. PROJECT 10073 RECORD CARD
1. DATE 2. LOCATION 12. CONCLUSIONS
id pa 1 RS a 3 Wos Balloon
2 APY Oc venviiie, L1l.inols 1 Probably Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION ——|0 Possibly Balloon
“dE RTE 0 Was Aircraft
Local ER RE ‘2 Ground-Yisual 0 Ground-Radar 0 Probobly Aircraft
CMTS 1/8 (9.004 DO AirVisual 0 Air-Intarcept Rodar DO Possibly Aircraft
5. PHOTOS 8. SOURCE 0 Was Astronomiccl
O Yes 1 Probably Astronomicol
a Ne Civilian 00 Possibly Astronomical
7. LENGTH CF CBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE ad og] RE RE RN De |
| 0 Insufficient Data for Evaluation
| 0 Unknown
| * 3 min | :
| 10. BRIEF SUMMARY OF SIGHTING Opal Thuiinons objh 1/2 11. COMMENTSUpper air obcervation bolloon
| bright as Venus considered circular of released at Peioria at 2300', Winds fm
spherical with light at base. Observed throug: 280° at 50,000 were 23 knots. Wind
12 1/2° raflecting telescope, by amature would cerry ballocn over Danville et
astronomer while looking for comet seki-lines| approximately 01l00Z/27 April.Balloon
Elevaticz increasing. lignt also vicible, elevation increasing
Balloon considered to be objt of sighting.
: ATIC FORM 329 (REV 28 8EP 52)
; LJ
/ 5

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Source: National Archives Catalog · NAID 28996861

Connected across the archive

Places

Danville, ILIllinois

Agencies

United States Air Force

Dates

19621962-04-01

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