PROJECT BLUE BOOK

1
PROJECT 10073 RECORD CARD
1. DATE 2. LOCATION 12. CONCLUSIONS
0 Was Bolloon
11 May 1955 Thurmon, Colorado 0 Probably Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION 0 Possibly Balloon
Local Ground-Visual Ground-Radar 0 Was Aircraft
*2 Probably Aircraft Probably Aircraft
GMT. 12/0106Z Air-Vi sual Air-Visual Air-Intercept Radar 0 0 Possibly Aircraft
5. PHOTOS 6. SOURCE 6. SOURCE 0 0 Was Astronomical
Yes 0 Probably Astronomical Probably Astronomical
XNo XNo Possibly Astronomical
7. LENGTH OF OBSERVATION 7. LENGTH OF OBSERVATION 8. &. NUMBER OF OBJECTS 9. COURSE NUMBER OF OBJECTS COURSE 0 Other Other._.
00 Insufficient Data for Evaluation Insufficient Data for Evaluation
Unknown
unknown unknown one Southeast
10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS 11. COMMENTS
Aircraft of unidentified type obser- Immediate identification of
ved by ved by American Air Lines pilot flying atóbject observed by commercial atobject observed by commercial
20,000 feet over the Sange de Cristo over the Sange de Cristo pilot as being a type of uncec
range. There were no vapor trails or range. There were no vapor trails or ognized a/c precludes investi-
other distinguishing characteristics gation on basis of sighting being
observed which might assist in the a UFo. Due to scattered cloud
positive identification of this parti- conditions at all altitudes &
cular a/c type. limited visibility i highly
possible that under better con-
ditions this experienced pibt
could have better determined
the exact tvne a/c. No Inves.
ATIC FORM 329 (REV 26 SEP 52)
.

UFOB INDEX CARD
1. DATE 1. DATE 1 2. LOCATION !12. - 12. CONCLUSIONS CONCLUSIONS
11 0 Was Balloon
00 Probably Balloon
3. DATET 4. THHE aP sERdo Possibly Balloon
Local Ground-Visual 0 Ground-Radar Was Aircraft
Probabiy Aircraft
GMT Air-Visual Air-Intercept Radar 0 Possibly Aircraft
ay 55
5. PHOTOS 16. SOURCE 0 Was Astronomical
Yes Probably Astronomical
No 0 Possibly Astronomical
7. LENGTH OF OBSERVATION 8. NOME (lot) 0 Other
0 Insufficient Data for Evaluation
Unknown
10. BRIEF SUMMARY OF SIGHTING 11.OMMENTS Aircraft
Aircraft of unidentified type observed by Inmediate identification of object ob-
American Air Lines pilot flying at 20,co0 ft. served by commercial airlinas pilot as
over the Sange de Cristo range. There were being a type of unrecognized aircraft
no vapor trails or other distinguishing precludes investigation on the basis of
characteristics observed which might assist this sighting being a UrOB. Due to
in the positivs identification of this in the positive identification of this scattered cloud conditions at all al-
particuliar a/c type. titudes and limited visibility it is titudes and limited visibility it is
highly possible that under better con-
ditions this experienced pilot could di tions this experienced pilot could
have better determined the axact typs have better determined the exact typs
of this aircraft. No investigation
authorized. authorized.
AISOP Form 5 (15 Oct 54) AISOP Form 5 (15 Oct 54) .6M-(O800-.C0 B.CA
-

112/01062 53114
1 7 IN Called L Me Fetindge
INFORMATION ah12/0455+
12 KA11355
11
7670 (
P0064 Y0C669 0Y655 344AMA032 1764169671.9 LATIA
3ATIMG (
CU dAC JFD JIDP JEPHO JIFDI JEDP JEPHG 3ATIMG
JUFAM ID JUFA ID
1292192 1892192 Ji
~ ~
LOWRY FLIGHT SEVICE CCNTER LOWRY AFE COLO LOWRY FLIGRT SEVICE CENTER LOWRY AFE COLO
C. JEDAI/CUDR ADC NT AFS COLORADO an ,T
12my
RTO/C.DN 34TA AIR DIV KIRTLUD APB NNEX
(
JED CR AIRTCHLCAL LHL C ERIOHO-PATTERSON AND OHIO
JEPMEADIR OP INTEL HO USAF WASA 2S DC
-
(
O. DESCRIPTION:
AIRCRAFT B NOKE C UNK D UNK A NO F MO G VAPOR TRAILS H PONE
NONE
d DEYCRIPTION OF COURSE
A UNK B U ONX B OMK C ONX D SZ BOOND ACPT FM XAMGRIDLCISGO RAOGE A UNK UNK C UNK D SE BOUND ACFT FM SANGRADEOISGO RANGE E UNK (
UIK Uitk
(
HANER OF OBSERVATICL S. HANIOR OF OBSARVATION
S ATR-VICUAL B MONE C DC7 AMERICAF ES 29,BDSFT ATR-VICUAL B AONE C DC7 AMERICAF ES 2O,BOAFT 2SS 259 TAS 315 - -
T F1. TiL-FO T Fh. TIL-FO
¸ (
-. TIL AN DATE OF S(GTING:
-
(
.

Mmtmtom
PAGE TIO JOPAH ID
<
A 185156Z 6 DAY
S. LOCATION OF OSERVER()
GVER 1HURO, COLO 20,3OS5T
S. IDCNTIFYTES TFURNATEON OF ALL OBSRVER(S)
A LK S UNK (
7. VEATHNN AND WIDR-ALONT CUNDITION AT TID ALD PLAGE OF SICNTING
S,9 9CT8 3409 24 K 34,939 D8 S,99 CT8 3409 24 K 30,935 E8K0
DRFACE 33. DL6 15 K1 BRFACE 33. DLS 15 K1
6,9-53006 i KT 6,9 -5390 i KT
1, 300 -33.09 1, 300 -3349 1SKI 1SK1
16, 9 -320 16,91 -3200 15 KT 15 KT ¸
20,094 -320026 15 KT
30,9 -3419 20 KT
59,955- 241009 35 KT
C 20,SOS SCTD D bNkESTR(CTED E .6 F NOU
S. NEG
10. SALUTE 1.47 6/608 17530 ITR 16/10P 3ZL
11. CAT
PAGe Tow JiFAn i0
-
12. 105
12/552 40Y NA
(
.