28931275.pdf

Incident #148

ATIC NO. ---

AF NO. ---

REPORT NO. ---

DATE OF REPORT ---

TIME OF SIGHTING 0400

SHARK Round

DIST About that of Hasketball

COURSE ---

NO. IN GROUP 1

MOUTH Witness thought she heard sound of plane before sighting object

SPEAKER SKETCHES

4888

DATE OF INFO 28 July 1948

LOCATION Springfield, Ohio

SOUND Female Civilian

DATE IN TO ATIC ---

COLOR Intense Yellow

SPEED Remained nearly Stationary

ALTITUDE

LENGTH OF TIME ORIGINED 1st time 5 min; 2nd time 15 minutes

TYPE OF OBSERVATION Ground

MANEUVERS Hovering

UNCLASSIFIED

Incident #148 -- Springfield, Ohio -- 23 July 1948

The planet Venus seems to be the culprit in this incident. Venus attained its greatest brilliancy in the morning sky on July 31, and at approximately 0400 in the morning on July 28, it was a very brilliant object slightly to the north of east. The magnitude was -4.2, which makes it about 100 times brighter than a first magnitude star. Intermittent cloud coverage could easily explain the appearance and disappearance of the object, and as to the stated size, this can be dismissed as a purely subjective estimate. The evidence appea…

UNCLASSIFIED
147-148

AIABB-Z/ 30 July 1948

SUBJECT: Sighting of Unconventional Aircraft

THRU: AC of S, G-2
Headquarters Second Army
Fort George G. Meade, Maryland

TO: Director, of Intelligence
General Staff
Department of the Army
Washington 25, D. C.

1. Reference is made to letter your headquarters, File CSCID 452.1, Subject: Unconventional Aircraft, dated 25 March 1948, and to your Control Number A-1917.

2. In compliance with paragraph 2, above mentioned letter, inclosed herewith is CIC Agent Report concerning the Sighting of Unconventional Aircraft.

3. A copy of attached report has be…

HEADQUARTERS
AIR MATERIEL COMMAND
Wright-Patterson Air Force Base
Dayton, Ohio

MCIAXO-3/HWS/rm
Jan 5 1949

MCIAXO

SUBJECT: Project "SIGN"

TO: Chief, Air Weather Service,
Andrews Air Force Base,
Washington 25, D. C.
ATTN: DSS

1. Project "SIGN" is responsible for the collection, investigation and interpretation of data relative to sighting of unidentified flying objects. Attached Incident Summaries 1 thru 172 from the files of Project "SIGN" are forwarded for study and recommendations as to which of the incidents may be eliminated as balloons released on routine synoptic ascents by the Air W…

Hq AMC, Chief, Air Weather Service, Washington 25, D. C.
Subj: Project "SIGN"

4. The form used in interrogating witnesses to sightings is inclosed as a matter of interest. Comment as to possible improvement of the "Essential Elements of Information" in regard to routine synoptic balloon flights is invited.

5. It is requested that correspondence be forwarded to the Commanding General, Headquarters, Air Materiel Command, attention MCIAXO-3.

FOR THE COMMANDING GENERAL:

2 Incls:
Summaries 1-172 incl
"EEI"

/s/ W. R. Clingerman, Col, USAF
for H. M. McCoy
Colonel, USAF
Chief, Intelligence Dept

…

B/Ltr from AMC
dtd 5 Jan 1949
Subj: Project
"SIGN"

AWS DSS 1st Ind 24 Jan 1949

HEADQUARTERS, AIR WEATHER SERVICE Andrews Air Force Base, Washington 25, D. C.

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

Investigations by this headquarters reveal that a synoptic weather balloon could have been at the location where sightings were reported in the following incidents. In compiling this list consideration was given to the wind direction and speed at the surface and aloft at the scheduled time of balloon release, and the location of th…

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…