PROJECT BLUE BOOK

- PROJECT 10073 CARD -
1. DATE 2 LOCATION CONCLUSIONS
6 September 1951 Was Balloon
Claremont, California Prabobly Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION o Possibly Balloan
Local a Ground-Visual Ground-Rodar o Was Aiscroft
00 Probably Aircraft
GMT 06/1920z AirViswal Air-Intercept Radar Possibly Aircralt
5. PHOTOS 6. SOURCE Was Astronomical
Yes D Probably Astronomical
No military o Possibly Astronomical
7. LENGTH OF.OBSERVATION . NUMBER OF OBJECTS 9. COURSE Oth UNIDENTIFIED
3 - 4min 6 and 1 000 Insufficiont Data vqluation
Unknown
10. BRIEF 11. COMMENTS
l. Six objs, bright orange light. In irregular No aerodynamic ures, trail or
incomplete circle with last 2 objs well in- exhaust were seen. Case is
toward center of formation. speed unknown. UNIDENTIFIED.
Course approx 280 10-12,000 ft.

AT in
35
JEES TNTIA HAWINOIRNE
A JUDLHT4 , 54 H501
0658 OCA &HLS 139C
24
LOS ANGELES
PACIFIC AIR 3 LKX
TOSRANCE San Ped 2
MLOS ANGELES AIR _DEFENSE 95 - H50
TERMINAL (SLAND) DANGERPAREA Huedington
14--H49 LOS ANGELES hon
SA 286 -
Continwous
LONG BEACH i
SCLHES A LONGBE
NTIFICATION ZONE INSTR LDC SYSTEM N 232160
242 1185_125.18
DAKE A
ISLAND ZONE CATALINA
SANTA ANN
CATALINA 2125 CATALINA
1560 - H 33
ISLAND Avalon
NAS LOS ALAMI
27-N6
WARNING AREAL SCA SYSTEM
3791474
SAN NIOOLAS (NAVY) RACON-
SAN NICOLAS 907 502-- X-BAND 1-2
ISLAND
RA
acre Natio Delsre (miatang Aea Delgne Omiatang Aea G G
sto the Bhaht ui airalt amnal
conducted. 5ares.
2
BD DANGER DANGERS
AREA
ff
AAS SAN CLEMENTE ISLAND AAS SAN CLEMENTE ISLAND
SAN 926-H50
SA N
CLEMENTE Top of tower
= elev 2054 elev2054
ISLAND
C Pyramid Head Pyramid
WARNING'AREA
Warning Natiodat Defente Oneroting Area
Operatians hazdrdous to the flight of alreraft
conducted within this arela.
1
TTT7
Extensive Ficetand Ad Ouerations
being conduted io approalmotel
100 miles scayert E
AC

Hasn a .a162 1
RADD 1 PK 2 50
T0/831 1
PAVIN ? nith (CAA) NIDLAND
Parris SantoJacinte Pahia Spring 4.J1 DAtELS 34- 1N
52- 6 270 10000 5347 .
N 24- THLSMAL RADIO 3100
Hemel 12 N
5696A RYAN 24710M
Flainpra 021 Quiata indio C UCY poset
winghgster .7140 o Camel
TLEN(O) ichetfel Biytha
+ 10R0 ANIO VASSL 12 Therdel SHAVENS SUMMI
(40N21. Pa/00 . THERMAL 14 1002- It 20
MORRIETAMOT FRINGS 6812 117 T N 50 SAYWAY AIRPAI
MCAS EC 1ORD Mu 3615 565 - 23
J00UN72 # PORT MNCCA ·4505 [251 BLM
GEA SYSTEM Camo Ranch 8715 -160 Mortmar BLYTHE RADIO
LOB 1127 25 Murriety 9529 .
A
SEI LOUST LANCH 30
750--21 *C6s02 5
2 Aaneh -O
15 c
Ss4 AREA Bulidings
Onelfe S RFalltao CLAZKS DRY LAME (NAVY)
01mn46128 BONBEGO VALLEY SIEINGS! N o Pope
CAM LCTON 700- 550-+33 Ronch DANGER 20
A 6533
15 ArT AREA
Bonu STRNCS Worer Yuh DANGER
2475 35 $prings A AREA
LAN-CE RAD dEOSED TO PUBLYC
321 O0N Vaily Contel BONRECO MILEY SAN DHELQ CO CRITON SEA AEC Nilend
a 2134 HED 65 . H35 DANGER 52 51
ists . AREA
coansiua O MICH ILIAN CLOSED IO PUBLIC CALIPATRI
LSEANATS Corsbed SALYON SEA ALC 180 -
NAAG MINANK Excopl1o 3 Sxida yeled OCOSHCDY ORY LAKE (NAVY 7 241 V.Callpatria :0S
475LH 160 -44
NI OCA EYSTEN OCA SYSTEN
eneinilap eneinilay 1302 Jutta SORHIUO (NAVY)Hetel SORHIUO (NAVY) Hetel 7
-WACUN Ramena 45--25 45---25
S-VARD U S-VAND I Welnodlend Welnnorlend D $3a3$ D
33° 2804 1 SRACtY LEELLC. 33°
EANDERS EANDERS RANCHI 31 Glamis
21573 135 *--25 135 -- -25 120 T
Det Mar RCMAREAN0 MAREA0 6515 3 3 rawley BAQIHUES BAGTHLES n Sand
20 4H DAN DAN I
DANGER APEAS -100 100 195 1954
TANGER APEAS IMPERIAL IMPERIAL VALLEY VALL EY Hits Hitts
jcang cjcang Shay 11 Carda Carria IMPERIAL COUNIT IMPERIAL COONTY Acto PORT FORT HOLTVILLE N
LINDBENON LINDBENN 6373 6373 -69135 # 35 haparial hoparial 341H67 LH6?
CLNE - Fe
Pine Valuy Pine Valay M4575 3ON COYOE WELLS S75G OLN COYOE WELES MAROA 1AR93 Plaster Chy Plaster Chly Ghia 247 47
a .5875 5875 200- 200 -- -2 Honlne Honulne N N
4 SAN IHEGO SAN DNEGO RADHU D4 AY Sebley TEI Ceptro Centro 076 076
1 5A8 NAAS EL CERRD NAAS EL CERTID A 230 Y0N5
GARTA 18-H 68 H LE tebel
317 142.4 CL
46-17 RACON -CALI
SAN 3730 -263 culgeerd LADIZL X BAND21 Catan BAJA CALIFORNIA
Peir DIEGO ANGELES E6 Crervo
2AACON. Ilipuss NID 62 Wexicalf
-SAND 1 Camp MEXICO METICAIOIO
NAE SADIESD 304 170 MIX
424 18143574 Jecumba JACUMBA EL CENTNO RADI Alioert Tecolate
OCA SYnM 2700 ME 242110
WOAR UARA CWSeCe Pozb Salodo Sateques
DAAS DE Agua
35-.- 23H41 Hechicurs
mjm&30m-j Cunze
LOS WOLFE
FL9 220
CUNONADOS 5
2 E Compadre - 3477
Nocalte Tn 20
TUUARA
1692 T12 .42001
20
Wallicitos
Ecanto
B000T DE-JUAREZ
Pozo Cenizo
Medancs
EC C

In compliance with ADC Ltr 200-1 dated
lowing information is hereby submitted:
No discernible shape or size due to altitude and dis-
tance. Number in first sighting was six (6). Number in second
sighting was one (1). Color: bright orange light. Formation:
first sighting in irregular incomplete circle with last two objects
situated well intoward the center of the formation. Second sight-
ing: one lone object. No aerodynamic features, trail or exhaust
seen. Means of propulsion unknown. Speed unknown due to altitude
and distance. Sound none due passing vehicle traffic. Maneuvers:
straight and level flight, no apparent change in course or altitude.
Manner of disappea distance over top o coastal fog
bank. 8
b. Time tely
to 4 minutes.
c. Visual observation surface. First sighting from
moving automobile. Automobile was stopped oservers stood at side
of automobile.
d. Location of observers: Traveling wast on US Highway
No. 66, approximately one-half mile East of Claremont, California
(117 7deg 50'W 34 deg 'N). Location of objects: Ist Sighting
estimated 10-12 miles West on course of approximate 280 deg. from
observers position Altitude estimated 10-12,000 Location
of second sighting Single object appeared approximately 2 miles N
from posit ers and altitude same up
e. Observers: (1) T/Sgt, USAF AF
Hqs and Squadron, lst Fighter-Interceptor Wing. (2)
s/Sgt. USAFR AF Hqs and Hq3 Squadron,
nt 763
DOWNGRADED AT 3 UNCLASSIFIED
DECLASSIFIED AFTER INTERV,
12 YEAR
DOD DIR 5200.10
OANCAK RAC

i. Unknown.
j. U Unknown.
FOR THE ICER:
2 Incls.
WAC404 (Mojave Desert)
Diagram (Formation) JOHN A SADA
Major, USAF
S3 87 IED
2
R7C

SECOND SIGHTING
SAME ALTITUDE SIGHTING
APPROX  M WEST
UNCLASSIFIED
LOCATION OBSERVE AUTOMOBILE
ON US HIGHWAY 66 PROCE DING TOWARD LOS CLES, CALII
TIME: 1920 HOURS
DATE: 6 Sept 51 R7C

ALTITUDE: High +
F
HEADIG : 280°
.
SOURCE: To airmen .
. 8
: :
groups lored objects were seen. *
DESCRIPTION Tr first group and one in the
second.
.
.
. .
.
.
.
.
.

AUTICAL CHART Compiled to ICAO Standards Laimbert Conformnal Conic Projection
For ICActhar edd 2o0o to the charl number. Sundr arallels 33° and 45° Scale 1:1,000,000 (404)
118°C 117° (Joins 363) 16E 115° 1154 (loins 363
COSO PEAK TELESCOPE
MONADHE MEADOW (USFS) sise N A PEAX LAS YEGAS
0000-- 25 DIC RANCT 401 RA
11045 2200
8350 CAASAN
CG 6397 G 2171AN65
9251. 300
.8825 a Sailaret 6415
Bl4gs 20
DANGER 364 Stariona 8504 Aunite Uloire
SIRRETTA PK .5344 7367 of NE GO0 cito
9856 9856 0253 71 24.
AREA 6964 2 A CALIFOI 405
.5702 .5702 Jecega
S GXERN RAH AERN RANGE GF 6642
150 ND 113 Seagi
D jeage
N N Tre
072 7320 7320 U
> Wortegd 2 2
iden on GUSS
12 3 tofokera tafokera .0665 .0655
t 3655
12 2 CA
7107 7903
LOS ANGELES A 6OD1
Searchigh)
A DANGER ARE
3259
R
5EOL-
JEAE yeenah
Randtburz *5270 N047
W aN 4936 7445
Atelia 4862
Cima
S 4N40
.670n 4604.
3223 E
E D
V DF +4748
2004
N

CANBE 4542 CCOAS
A TT
so
D TRONE dean
N Bro 1rejs/ 7320
074 6475
efe A Lake
-40 N
Veldon ZOYE 6296
alls 4 tofcler COAVIS .3565
INTO-NOTY 3300L 3655 4172
12 2 1078 NAF INYONERN
.7107 20188 7203
6204 .6001
LOS ANGELES ADIZ Searentigh
DANGER AREA f
40 A 5259
5500
VEOSAKE EANER lisilwer asod
HANNISBUREEN 5501- Lald
E1L Jydopah
Johanneiburg S51S
Randaburgy 5270 4967
r0D0 4936 7645
Atsla .4002 Camp 3435 LVER LAME (CAAY
Cantil Erwia Joknt D10 L-40
Cima
S ·4540
-6708 4504. -5.
3223 Pufding
D E S E
V E DF
A ·4746
a PONO FF
2727 2737 2550- 350 358
ENT ENT Morave isve MCE RENARY DyBuiding 226d Kelto. Kelto MIgtary MI9tary
Amargo Lake N N Crucera Crucero
3501b1i Camg
35°1111 CATICD GUEST RANCH DATIECD GUEST RANCH
- 44 BARSTOW 1825 1325 30Harvend
E OANE 4133 EDWARN EDWARD 2150L- 28
91 GER ARLA- N GRE
2225L 22251 UE0C RaweS N. N
219 HAWES NO 1 (Crmo (Cimo
A Rosamond 2319-P55 2319-55 Darstow 56 076
CTA BARNESH BARNESH LOWARDS RADI HELENDALE 12 Desgelt Deggett
06 2100--5 2100-= 8O5 MUF 8O5 MUF 75 75 2-. 4510-150 0-15 5000 60n
N N Mol Mo) DACGETTIEM DACGETT
ICASTER GS G8E UN NILL RAACA LL RA PZALNAL PAALHAL
x1 toiantia LADALE RADIC RAD 3000--71 9A0 Ludtow idttow GANITE Lssex Easex
217 P AGE 10 CASCSIT RA
Refendais BE DAS
FAGLE 0 6300
245 1 Klontike
36I0N 2
COAT banby
QUARTT 3261 EL PIRASE "NOre Bagdad an -
A50 334 2865 H Grendn GrOiCE AFb Amboy 2300
IN ndale 24801M74
LES to SLrRUTtEAdrantO
32171 Litletock vnhtorylla
170 CTORVIL
rott 1
b- 3050 3
N
Reveana votorun Lucerne Vaffey
3225 Chubbue
a N LOS ANDELES ADIZ
7124 hoeg Wrightwood
8038 MIG SEAR CMTY
LECKPD/AIR T. SAN ANTOINO -103g5" OOLO
Farnando OCALH 10059 jon Ung
700 0503 .AC0O
·6156 ig Bear Clty
ONTANIO INTRI 0ir C
7-NO CNT 052 0EAZ.
tog ta 20 Y
b 2 SAN
, OINO
12
1 11495 =D.
SAN
GONAONIO

a
A 7045
A
AKERSFIELD
LOS ANGELES AOI n
431. a
a
A
15
159
PurtlanL.s
A 104
laft NEA
Deach 3n00
winchor
543 :5 7730
VA . 1.
wais
E Cua FAUA N
M. 045
diapevine 6331
FPOT 52O7 A 10r
LAE
TECL Lobut
Berntind Natsiet Detene Operaling Ares NEEXACNAK
Opstat-joshararooust Doerat doehararousta tlia fghtol WARNING 4 2915-
AREA MOUNTAINS 6026 8826
nndursg witharoisara AREA VI PINGS VY PINGS
101 15t S .8626
4630 :000 50n0 N A 57u1 5701
CA 6501 taes tan
6026 626 517 8/7
7.371 4 MUER
7400. 5 9 CANTAIO CANTA
3
Achgi c Wlte
LE 6025
2170 2170 Wheeisr 6704. CLtN CLlaN
30 vabs
NEMNAERANE
Napler 990 46t8. Ojal
Golela Piru
Poat 12 Fillmore
074
Cunceut SANTA tia IN
BARBARA ONS Santz Paula N SINA
CTA SAHDARA MADH A AUt 2
ANIA BARSASA 240 '3756
14LHU 200 13 A
278 A Moorpark
Ventura
DER VENJURA 5
13L425 V Cangya
OXIARO VENTURA co Ox02 o Pa.k
43LH45 7 A
1 Port Hutnorig a 04
Hea -0010
L 0121
SAN AN 59 *8836 A
IGUEL RANUL
SLAND
2434 MUGU
TISANTA CRUZ
ANTA ROSA ISLAND
ISLAND

WORLD AERON
404 MOJAVE DESERT ELEVATIONS INCTEET
344FNOL 1190 (Joins 363)
(Joing 364)_121° (Jains 363) 120°
JUNIPERO SERRA FKY F0m4 tarm NEWION Yare. Lindsay
Preitdiloy T3 Nuren 254 - 1 22 Cuernany TRAUCER
ATBE Ostr fore 8 29 -1 20
'5844 COA
1 San Eveas 714 RT u Springwille
OESTLANC FALMS, -RANIN 1I 9 BG
5ISS QG 200 -351 Corcore 300-- 2. 924
Ag COPCOR
Lucls 5007 Qtan 197 - Tipton Porterville
SenAude 10 rORTERVIEL.
205- 444--H 60
Jelon 36° il 1
AUNTER LIGGEIT (AUM) CASTLEMT Avanat 370 Kegtleman City 2 PIXLEY
2606 4338 AVENA 0---2
4500 730- S
023 VON JLANN Alpeugh A 42 Ducor Catlernia
3747 0OD UE52 Parafiata AN 191---35 Hot Springs
Eubjimart
1914 N BURUM White River
Camp Hherls 2650, 470-
AN FRANCISCO ADIZ CAMP RONEATSTARNY) ovista
640-2M35 Delano Richgrove
San Ma Dovils Dun 12 6395
DELANGKERN COU "- WERAVILLE-XLAN CO M
INE T Chulang ·3134 216/H 60 2575---24
3514 OST WILES KERN DUNLAP
J MAS PIA it 45 A 525-H
BLAGKWLLLS BLAGKWELLS A WASCO-KERN CO WAXLRSFIEEDTE TVo1 AKERSTIELD RADID SAKERSFIELD RADIO Iv
San Simesn San Simeon Shaeda "Shandoa "50 "5U 30 WASCO-KERN CO 1154 MLS - 230 B6L 200 BFL
sly 1039 A N 23--35 213--35
2aSS .2502 FAIOSO FAIMOSO Ar
Lost Hills WiseO Wi3e0 Fomoso POSO KERK CO
10 -5 V V
350 750 1738 1738 A R OLUERE OLUEE SHAC SHA ER-KIRI ER-KERI 625 - it It 45 Ner
Craston LR L 11 45 AI Al
7T Lt A A A-
CIVRoNs CIVnoN Atrsrade Slafter Sholter A
A A E CHESTA 7544 7544
3 Santa AA AA Bultunwilion. Bultunwilion 405 105 7 7
Marganit Marganit 36251 362s1 APHC BANERSPIELD-KERN
BANERSFIELD-KERN
2700 L7D0 3900UTTONWLLUW-KER/CU 3900UTTONWILLOW-KENCU 0 BAKERSFIELD SISINS SISINS.
Simmler- 200 2 Rosedale INSTE LDG SIST
Lo Panza Eo Panza BANERSFIELD BANERSFIELD 278 192 278 1092
380-H 30
Poirt ls tel A60 054 4332 A
vchon San lais pblapg Kuerick A Coliente
0512 A pa72
ODEL 1.
101Z WHEPLING RANCH 2 Ford 100 XOAMa
2000 27 N City PUMPRIN CENTER
Pen San Lbls Fellows TAFH '350
Pisne Arroyo Grande Taft A 1 20
Berch PARKER N
- TAFT-RE 3550. A 800 =H 30 Junchon
COND A
3 A 877 548 75 7720
5095 VARSOPA INLCO TAI
018 237K 2X AT 13
- 135°
3 Lesc ty coNA
Senta Maria 2221 W 0890
DANEOU Qrapevine
236 233240
640 3703 8637 A Jors
Waraing Netiotoi Delene Couan g Are Orcef Lanks Lovr
Onerab ihe btraridous io ia WARNING HEENACH
C rucniM AREA 8626 2973
LevPur MS33 NT PINOS .8025
Chon seso w
LAR (ODKI (AR) Los Alames 4530 6501 N A 5791
10 060-112 cull .1994 6616 Lzis
LesO.12 MOLI T877
.7371
CILOMEN Santa Yneh 7400. CASTAIC
2 RAWEOD
IT ArBight Waite MANTA XNEZ
. MNs -H2 6020
2170 Wheeier