PROJECT BLUE BOOK

STAICTEDE Incident #151
2 '
T ATIC NO. e DATE 0F mro_29 July 19hs
AF HO. Ca LOCATIoN Indianapolis, Indiana
RFPOTT NO. SOURCB_ Male Givilian
LATE OF REPORT n
THE OF SIEIIG0955 COLOR_ Alumimu - Shiny
Istimthd
SHAPR Like a broad, short, propeller SPED 25 - 30 MPH Meauure
Rstit
ALTITUDE 30 Ft Murel -
COURSI' South LENGTH OF TIME OBSLRVID 24
NO. IN GROUP 1 TYPE OF OBSERVATION Ground

objeot was believed to have fallen ensely wooded and
had many hills a valleys. See diagram attached of the
area of sighting.
JAME3 A. RONIN
Colonal USAF
2 Inola Comnanding .
Incl l - Diagran of
Objeot Sighted
Inol 2 Map of area
of sighting
2
12. 9013
Ak

Path or
Object Cantilever
Type Bridge
3 56th 3t
QODS
(
1C
7

ing of an unidentified aerial object on 29 July 1gls in Indianapolis,
Indiana. There seems to be a marked similarity between the object
described in this incident and the description of the "roto-chute"
invented by I. B. Benson and which is now being developed by General
Eectric Company.
Accordingly, it is requested that the attached incident be
studied and checked w i7oh rimenta
ance with existing secu
DECLASSIFIED AFTER 12 YEARS. Very truly yours,
DOD DIR 6200.10
1 Incl W. R. CLINGEN
Incident Summaries Colonel, USAP
Chief, Teon Intelligence Piviaiun
Intalligence Danertmens
UNCLASSIFIED
13
.

80
B
WUUO
These are
4
MOWTCRAPED ATO YEIO CTERYATSY
.2.L DAETER A2 YEARS.
13
.*.

12-14-48.
Enclosure: (A) Original of Hdqtrs, Air Materiel
Command, Wright-Patterson Air Force
Base, Dayton, Ohio, Itr MCIAXo-3
dtd 2 Dec. 1948, together with its
enclosure.
1. Enclosure (A) is hereby forwarded to
your
your request of re ence (a). By reference (a) you
informed thi
DOWNGRADED AT 3 YEAR INTERYALF
DECLASSIFIED AFTER 12 YEARS. Heard
DOD DIR 5200.10
B. P. WARD
coz Air Materiel Command
Wright-Patterson Air Force Base
Dayton, Ohio UNCLASSIFIED
ALEN: MOIAXO-7
14

Wright-Patterson Air
Wright Field, Ohio
Attn: MCLAXO
1.
was initiated by your headquarters, and forwarded to this office for
appropriate action by the Inspector Machlnery, U.S. Navy, General Electric
New
2.
which are inclosed
herewith, which indicates that ths object sighted in Indianapolis, Indiana
Company.
FOR THE TEF:

Gentlemen:
Reference is m toyour December 1948 letter and the
December
Ohio letter dated 94.8 relati
This matter was discussed with Mr. I. B. Bensen. who was in
charge of the Roto-chute development on
thoT
dropped by an rsonnel.
As requested, we sre returning ndence
forwarded with your above letter.
Yours ve
. W. Frick
Ordnance Sales Division
JWF:MVP AIRCRAFT, FED.&MAR. DIVISIONS
DOWNGRADED AT 3 YEAR INTERVAL3;
att. DOD DIR 5200.10
6
UNCLASSIFIED

, 73, 81, 83, 91, 92, 113, 114, 115,
126, 131, 138, 141, 145, 155, 156, 157, 159, 160, 161, 163,
169, 171, 173, 178, 180, 182, 188, 190, 194, 195, 196, 193,.
200, 201, 210, 217,22
b Rookets, flares or falling bodles;
,6,6, 14
75, 76,77, 79 111, 122, 135, 15D 152, 154, 162,
168, 172, 176, 183, 186, 193, 207, 215, 223, 224, 225, 226,
227, 236, 241, 242, 243, 244, 134,
17

.
I
..
4
a
712-
1
2
.
-

D .
ratios of width. If these oo were real, it soems to
w17, 40, 75, and the most the stand-
point trose most difiicult
to explain away as -
that botn insidents gld and lo2 nad
two ouservers,
3 UNCLASSIFIED

oonduoted or aponsored by the Army, Navy or cod States Air Force are
oheokod by the Intelligenoe Department of this Comumand. Theso oheoks
arousually Ofrioe. -3 'heso
aheoka are distinot from tha cheok of synoptio oon made by
the
list does nos slimimto tho posaibility the romaining ..
inaidants are balloons. a
.
2 21 91 113 155
3 25 92 115 156
4 28 96 126 157
71 30 8XEE8E8 10L 142 159
14 105 2443 163
16 ARR 107,8,9 151 167
22 112(Sa8122) 154 169
23
8-2451-A
X

MCIAXO-3.
FOR THE GENERAL:
. ."
/3/ W. R. Clingoroan, C
2 Imolss for H. M. MOCOX
Summarias 1 inol Colonel, USAF
"EEI" Chief, Intelligance Dopt E .
:
Coplaa furnisheds
AFOIR, Hq. URAF
Capt Trakowakl, Geophysios Lab
Major Kodis, MCREKP
Colonel Neal, MCLaNS
-
I-disi-

ports not otherwice explainable. Thoss errors in idortifying reul
stlnuli rooult chiefly from nability to estimate speed, distance,
2129.
All of the remaining 34 are troated in detail in thi
typg of objoct, or manmor of porrormanco. Thore are indioatis.s
ovur, that soto sightinga wore influencod by onrliur repersl,
probabiy would not havs beon corsidarad tnunsal or roporte
buen no publicity.
ARTE27
Projoot Grodo
SuEary taluntlon ge Perining Roports
serted strhtings becurred ht various binos of dar and yowr.
APADKI
In the folloing section of this roport, each renaining vnexg) aiod
dincident is considered separatoly. It is not the intent to gonerall:
the charactor of observers, but eaoh case has undesirable elenents,
cannot be disregardad. The numerienl dosignation is neroly the caien
CP -Ein62 123.
1, 10, 17, 21, 29, 35, 37, 40, 51, 58, 62, 64, 68, 71, 75, 76, 77, 79, 84,
183, 136, 193, 207, 215, 2e.
17/

8.1 Numbor of objocts
9. Distanco of objoct from observer
10. Timo in sight N/5
11. Altitudo 30 feet - just
12. Speod 25 to 30 NPH
13. Diroction of flight He ded south in bank to left
114. Tactics gliding with no apparent spinn
15. Sound no discernible sound
16. Sizo
17. Color
2
25. Manner disappee ance
26. Romarks: (over)

. .

(2)
in sky.
(3) Withessed by Mr.
Indianaoolis and aia,
Jones Rug
Cleeners, polls,
(4) No photographs available.
(5) Sketoh or objeot attached.
thirty (30) mph.
Headed apor
the lert,
DECLASSIFIED AFTER 12 YEABS. (3) Simted just asove the trges
DOD DIR 5200.10 thirty (30) feet altitude.
(h) Appeared to be gliding with no apparent m
spinning aetion.
(1) tade no discernable sound.
(1) To exhaust trail
(7) Tro witnesses at time sighting
FIED 7 9013