PROJECT BLUE BOOK

PROJECT 10073 RECORD CARD "'.
1. DATE 2. LOCATION CONCLUSIONS
0 Was Balloon
20 August 1956 North Bend, Oregon XProbably Bolleon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION Possibly Bolloon
Lecel Ground-Visual X Ground-Roder Was Aireraft
00 Probably Airereft
GMT 21/0615Z AinVisuel Air-Intereept Radar Possibly Aircraft
5. PHOTOS SOURCE Was Astronomicel
Y.s 000 Probably Astronomicel
xNo Military Possibly Astronomicel
OP VATION NUMBER BJECTS 00 Other.
Insufficient tion
0 Unknown
two hours one one easterly
10. BRIEP SUMMARY OF SIGHTING 10. BRIEP RY Op SIGHTING 11. COMMENTS
Due to Due to th efact that object was tracke was tracked Duration Duration. ing, and ing, and descend- descend-
by ground radar no description descriptio ing path dicate that the cate that the sight
object object w giver initially ing ing was probably was probably caused caused by a
sighted 320 dgr azimi azim 54,000 4,000 balloon. alloon. In addition, check
altitude and appeared Object with the ADC Forecast Center
descended to descended to 50,00 50,000 Ititude while titude while revealed that a balloon that a balloon was in
moving to 32 dgr azimuth. Object faded the area at the time of sighting time sighting.
fm the fm the scope afte after being tracked tracked for However, due to due to the fact that the the
two hours. winds at 50,000 ft (as given in in
initial rpt)
the course valua
tion is robable).
ATIC FORM
c
il

REPORT
00 00
(AD N/A (B) M/A (C) N/A (D) ONE (E)N/A(F)M/A (G CADN/A (6) 1 - N/A (H) N/A N/A (H) N/A
. ". .. . . " " .
"VA
(A) OLJICT PICKED D UP ON HEIGHT FINDER (E) TWO. ZERO DEGRANS
TY EIE KILES NEIGHT FIFTY THOUSAND FEAT (E) FADE (F)
: .
HOLRS
KA) GROUND RADAR (B) N/A (C) N/A
"

FIFTY THOUSAND FAET THRRE SIY ZERO DEGREESTEN KHOTS (C) PIFTY FIET
(D) FIVE HUNDRED FEET (E) OBSCURED (F) SOURTH EAST "
B.NESATIVE .
9. NO ACTION TAKEN
1. NONE e
I. OBJLCT PICKED UP AT THIS STATION ON HEIGHT FINDER PD CONTACTED
E WASHINGTON AND REQUESTED THAT THEY TRY AND
ABLE TO PICK CEJECT ON-THEIR HEIGHT FINDER AND VERIFIED OUR HEIGHT
.
.
0 0
21/0615=
76 e
PAGE THREE RJUPDM 2F
FINDING AS FIFTY FOUR THOUSAND FERT. THIS STATION CARRIED OEJECT F O.
HEIGNT FINDER RAUIPNENT FOR A PERIOD OF TWO HOURS BEFORE IT FADED
FRON OUR EQUIPMENT. DURING THE TWO NOURS THAT WE CARRIED THE OEJNCT
IT MADE SLOU CONTINUOUS DECENT TO FIFTY THOUSAND FEET PD PRMPARING .
TILE THE OBJECT WAS
PICKED LP AT .
12. NEGATIVE .
ET'
22/-:2SZ AUG RJUPDH

NJEDE/COUDR ADC ENT AFE COLO SPRI GS COLO
JUPDI/OOIDR 2S ADIV DCF NCONORD AFS VASH
(
JEDUP/COIOR AIR INTL CRTEA MIGKT PATTAMOL AF CHIO
MMPA/ADITEOTOR OF I TTELLIGION I URAF VATHINGTON 25 D C -
-
UNCL/7SA OPA 2S-SS ATTR ITELLIJMOE OFFIOER SUBJIOT: UFOE REPORT HO I TOLAYS
(
(D)H/A(C)N/A(D) ONE (H) VA(F) A(G)WA (DA 03
L CAD /AC (
CIYA ". . " " .*
L. (A) OEJICT PICKED UP ON HEISNT FINDER (D) THEEM TWO ZERO DHGRERS (
27 0UV0V2S 214 AD 03INEN4 5-509 6908
CEVETY STY MILES
CEVETY SIY MILES HEIGHT (E) FADE (F)
THO'HOURS : " . 09 6900
S. (A) GRODHD RADAR(B)M/A (C) M/A S. (A) GRODHD RADAR (B) N/A (C) M/A
C
HAIETY OE SXSZRO"SL OEEAZDMACY IGT
. . (
(
−
(
PATE THO RULPON OF ( CLIVe
. ONE THLITY FOUR DEGAEES TE. HIL UTES UOST FORTY TAAEE DESRESS THIRTY es
FIVE MIIUTES NORTH
(A) THIRTY SAMIA THCH ICIAN PACRAIENTO CALIFORIIA
DIREOTON SIVEH SIT O.AE ACUROK TDELLET
A/CC RADAR OPEMATOR SKVE SIY OHE ACURON
VLC RADA. OPEMATOR SNE: SIE CE ACWNO: ROELLET
7.(A)NEAY TOS (D) SIX THOUSAND FEET T ZEMO SIY ZOIO DEGRMNS TEN KNOTS
---" 700 7 T TELKLOT TILO