PROJECT BLUE BOOK

A1
PROJECT 10073 RECORD
1.DA°/-TIME GRSY/025 2. LOCATION
31 Jul 68 31/0855z Boise, Idaho (2 Witneasea)
3. SOURCE 10. CONCLUSION
Civilian. Probabls (HOT AIR BALLOON)
4. NUMBER OF OBJECTS Surface wind was from l2o deg at 7 knots. There is no evidanca
Ona that the light was not from a garmet bag hot air balloon.
5. LENGTH OF OBSERVATION 11. BRIEF SUMMARY AND ANALYSIS
4 Minutes The observer sighted a red light that was about tha size of a
6. grapefruit. The object was at abcut 15 dag elevation and
TYPE OF OBSERVATION mored roughly in a westerly diraction. The object Wa3 08an
Ground-Visual for approx. 4 minutes.
7. COURSE
NNE - WNW NNB - WNW
8. PHOTOS
Yes Yos
X0 X0
9. PHYSICAL EVIDENCE
Ys Y.s
090 0N0
FORH
FTD SEP 63 0-329 FTD SEP 63 0-329 (TDE) Previous ditions of this form may Prevlous sditions of this form may be uaed. be used,

can sihaline 4lght
bi ardenan
1t rd
PAGE

31 July
DEPARTMENT OF THE AIR FORCE
HEADQUARTERS FOREIGN TECHNOLOGY DIVISION (AF3C)
WRIGHT-P RSON ASE OHIO 45433
REPLY TO
ATTN OF: TDPT (UFO)
(8* 2960
SUBJECT UFO rvation, 31 July 1968
TO:
boise 83704
Your name has been given to the Aerial Phenomena Office (Project
Blue Bookas being a witness to an unidentified flying object.
If you were a witness to an UFO sighting on 31 July 1968
sould y you please complete the attached AF Form ll7 and return it
in the envelope provided. If you were not a witness to this
sighting, would you please make a statement to this effect on the
attached form. The information which you provide be used in
evalunting this observation. Thank you for your assistance in this
matter. matter.
HECTOR QUIN TANILLA, Jr, Lt Colonel, USAF NILLA, Jr, Lt Colonel, USAF 1 Atch 1 Atch
Chief, Aerla enomena Office AF Form 117 w/envelope AF Form 117 w/envelope
Aerospace Techng Aerospace Tech logies Division
Production Directorate

not be contacted by telephone. message to contact
the investigator by telephone to schedule an appointment for an interview
at Mr. ma"s convenience contacted the investigator by telephone
and stated he would be in Mountain Home, Idaho during the week of 12 August
68 thru 16 August 68 and that he would contact the investigator at that time
for an interview. At the writing of this report, has made no
further contact with the i vestigator.
Mr. Hal Harvey and Mr. Jim MeCoy, U.S. Weather Bureau furnished the following
information on weather conditions covering the period of 0100 hours, 31
July 1963 thru 0400 hours, 31 July 1968: The weather The weather was open and clear
with up to twenty (20) mile visibility. tr (2al -ila…isihilitv There was a smoke layer in the +he
northern portion of the sky reaching from the Northwest to the Northeast.
The smoke layer was quite thin and scattered and non restrictive to
visibilitr. The smoke was caused br range fire in the Weiser, Idaho area.
The surfhce wlnds during this period were:
O200 hours, 130 degrees at 6 kts; O300_hours grees at 7 kts; O400
hours, 130 iagrees at 9 kts. Winds at this period
were:
4,000 ft. 305 degrees at l4 1 kts. 6,000 ft., 360 degrees at 9 kts.
10,000 ft., 325 degrees at 6 kts. 14,000 ft., 305 degrees at 16 kts.
20,000 Et 305 degrees at 16 kts. 30,000 ft., 275 degrees at 19 kts.
Ta

Weather baloons were released at 1615 hours, 1968 and at 0415 hours,
31 July 1968
Mr. M.C. Goach, FAA, Control Tower Chief and Mr. C.E. Abshire, FAA, Flight
Service Station Chief were contacted. They stated there was no unusual
flight activity he sighting.
Miss Sylvia Burkley, (S-ll, Control Tower Operator on duty at the time of the
sighting furnished the following information: When Boise Police Department
informed the Control Tower of the sighting, she scanned the northern horizon
with binoculars and could observe nothing unusual. There was a smoke haze
in the northern sky resulting from the range fire in the Weiser, Idaho area.
She stated that just prior to the reported sighting g a Twin Cesna aircraft
had arrived from Twin Falls, Tiaho. The pilot of this aircraft had seen
nothing unusual. Just after this reporting another aircraft departed for a
destination north of Boise. The pilot of this aircraft saw nothing unusual.
Mr. James H. Prendergrast Supervising Inspector, Ceneral Aviation District
Office was contacted. He stated his office had received reports of
Unidentified Phenomena.
Maj. Dale J. Hendry, Group Security Office, 124,th Fighter Croup, Idaho Air
National Guard, Gowan Field, Boise, Natlonal Guard, Gowan , Boise, ldano was Idaho was contacted. contacted. He Stated nis He stated his
office had received no report of office had received n ort of Unidentified Unidentified Phenomena. Phenomena.
2

SIGNTING OF UNIDENTIFIED PHENOMENA QUESTIONNAIRE BUDGET BUREAU APPROVAL
NUMBER 21-R258
THIS QUESTIONNAIRE HAS BEEN PREPARED SO THAT YOU CAN GIVE THE U.S AIR FORCE AS MUCH INFORMATION
AS POSSIBLE CONCERNING THE -UNIDENTIFIED PHENOMENON THAT YOU HAVE OBSERVED. PLEASE TRY TO
ANSWER ALL OF THE OUESTIONS. THE INFORMATION YOU GIVE WILL BE USED FOR RESEARCH PURPOSES
CONCLUSIONS WITHOUT
YOUR PERMISSIGN RETURN TO AIR FORCE BASE INVESTIGATOR FOR
P'ATTERSON AFB CHIO 4S433, IAN AFR8O-I7. (IF ADDITIONAL SHEETS ARE NEEDED FOR NARRATIVE OR SKETCHES
ATTACHSFCUREL OR ANNOTATE
1 WHEN DID TH E PHENOMENON?
DAY_ 31 MONTH YEAR 68
2 WHAT OID o0 T G H E NOMENON?
HOUR MINUTES R+-A.M. LIP.M.
3 WHAT TIME YOU LAST SIGHT N OMENON?
HOUR MINUTES KA.M. CIP.M.
TIME ZONE 14 DAYLIGHT SAVINGS STANDARD
- EASTERN |CENTRAL MOUNTAIN PACIFIC JOTHER
5 WHERE WERE YOU WHEN YOU SAW THE PHENOMENON? IF IN CITY GIVE THE NEAREST STREET ADDRESS AND INDICATE ON
A HAND DRAAN MAP WHERE YOU WERE STANDING WITH REFERENCE TO THE ADDRESS. IF IN THE COUNTRY, IDENTIFY THE
HIGHWAY YOULH DIRECTION FROM SOME RECOGNIZABLE LANDMARK.
71.
6 IMAGINE YOU ARE AT THE POINT SHOWNIN THE SKETCH, PLACE AN *A IMAGINE YOU ARE AT THE POINT SHOWN IN THE SKETCH, PLACE AN *A ON THE CURVED LINE TO SHOW HOW HIGH THE
PHENOMENON WAS ASOVE THE HORIZON OR SKYLINE WHEN FIRST SEEN. PHENOMENON WAS ASOVE THE HORIZON OR SKYLINE WHEN FIRST SEEN. PLACE A PLACE A 3°ON THE SAME CURVED LINE TO 3. ON THE SAME CURVED LINE TO
SHOW MOW HIGH ABOVE THE HORIZON THE PHENOMENON WAS WHEN LAST SEEN. SHOW HOW HIGH ABOVE THE HORIZON THE PHENOMENON WAS WHEN LAST SEEN.
90 57 SL
L
I 1
1
1
I 30
1
| A - AB
|
/
|
K
OBSERVER
AF FORM 117
A2GC7

6A. NOW IMAGINE YOU ARE AT THE CENTER OF THE COMPASS ROSE. PLACE AN A* ON THE COMPASS TO INDICATE THE
DIRECTION TO THE PHENOMENON WHEN FIRST SEEN. PLACE A *B* ON THE COMPASS TO INDICATE THE DIRECTION TO
THE PHENOMENON WHEN LAST SEEN.
A
N
NNW NNE
NE
WNW ENE
wSw ESE
SW SE
sSw SSE
7 IN T-E SKETCH BELOW, PLACE AN *A* AT THE POSITION OF THE PHENOMENON WHEN FIRST SEEN. AND A B" AT THE
POSITION OF THE PHENOMENON WHEN LAST SEEN. CONNECT THE "A* AND B* WITH A LINE TO APPROXIMATE THE
MOVEMENT OF THE PHENOMENON BETWEEN *A" AND "B. THAT IS, SCHEMATICALLY SHOW WHETHER THE MOVEMENT
APPEARED TO BE STRAIGHT, CURVED OR ZIG-ZAG. REFER TO SMALLER SKETCH AS AN EXAMPLE OF HOW TO COMPLETE
THE LARGER SKETCH.
1
1
PAGE 2 OF 9 PAGES

NONE
DIDYOUNOTICE ANY AIRPLANES YES NO. IF YES."DESCRIBE WHEN THEY WERE IN SIGHT RELATIVE TO THE TIME
F SIG-TING THE PHENOMENON AND WHERE THEY WERE IN THE SKY RELATIVE TO THE POSITION OF THE PHENOMENON
9 HO T M E NON IN SIGHT?
ENGTHOF CERTAIN OF TIME NOT VERY SURE
n FAIRLY CERTAIN JUST A GUESS
OW WASTIME DETERMINED
WAS THE PHENOMENON IN SIGHT CONTINUOUSLY? [TYES NO IF NO.  INDICATE WHETHER THIS IS DUE TO YOUR
MOVEMENT OR THE BEHAVIOR OF THE = MENON AND DESCRIBES SUCH MOVEMENT OR BEH AVIOR. INDICATE DISAD.
PEARALCESCNPFE O IS SKETCHES
F,urn 122ot 1
mtoi0
beltnnteee.
PAGE 3 PAES

1O. IF THERE WERE MORE THAN ONE PHENOMENON, HOW MANY WERE THERE? DRAW A PICTURE TO SHOW HOW THEY WERE
ARRANGED. DID THIS ARRANGEMENT CHANGE DURING THE SIGHTING?
—
11. CONDiTiONs (Check appropriate blocks.)
A. SXY B. WEATHER
OAY CUMULUS CLOUDS (LOW fluffy) FOG OR MIST
TWILIGHT CIRRUs CLoUDs (High fleecy or Herring- HEAVY RAIN
NIGHT bone) LIGHT RAIN OR DRIZZLE
CLEAR NIMBUS CLOuDS (Rain) HAIL
PARTLY CL QUDY CUMULONIMBUS CLOUDS SNOW OR SLEET
COMPLETELY OVERCAST (Thunderstorms) UNKNOWN
HAZE OR SMOG NONE OF THE ABOVE
C. 1F THE SIGHTING WAS AT TWILIGHT OR! NIGHT. WHAT DID YOU NOTICE ABOUT STARS AND MOON?
11 STARS (2) MOON
NONE BRIGHT MOONLIGHT L NO MOONLIGHT
A FEW MOON WITH HALO UNKNOWN
MANY MOON HIDDEN BY CLOUDS
UNXNOWN PARTIAL (New or quarter)
S IF SIG-TING WASIN DAYLIGHT, WAS THE SUN VISIBLE? YES N WHERE WAS THE SUN AS YOU FACED
THE PHENOMENON?
IN FPONT OF YOU TO YOUR RIGHT OVERHEAD (New noon)
IN BACK OF YOU TO YOUR LEFT UNKNOWN
E. SPECIFY THE MAJOR SOURCE OF ILLUMINATION PRESENT DURING THE SIGHTING, SUCH AS THE SUN, HEADLIGHTS OR
STREET LAMP, ETC. FOR TERRESTRIAL ILLUMINATION, SPECIFY DISTANCE TO LIGHT SOURCE.
12. GIVE A 3RIE= CESCRIPTIONJOF THE PHENOMENON, INDICATING WHETHER IT -APPEARED DARK OR LIGHT, WHETHER IT
REFLECTED _IGHT OR WAS SELF-LUMINOGS'AND WHAT OLORS YOU NOTICED. DESCRIBE YOUR IMPRESSION OF WHETHER
IT WAS SOLID OR TRANSPARENT, WHETHER EDGES WERE SHARP OR FUZZY. DESCRIBE THE SHAPE OR INDICATE IF IT
APPEARED AS A POINT OF LIGHT. INDICA WITH OTHER OBSERVED OBJECTS, LIKE STARS. A LIGHT OR
OTHER OBJECT IN YOUR FIELD OF VIEW.
reit
el
ridin elor
fas sodid,
ship
PAGE Y 9 PAGES
101
S
1

CHANGE BRIGHTN ESST L
CHANGE SHAPE L
FLASH OR FLICHER'
DISAPPEAR AND REAPPEAR?
SPIN LIKE TOD
MAKE A NOISE
FLUTTER OR WO33LE'
14, WHAT DREW YOUR ATTENTION TO THE PHENOMENON?
aswe
met
A.HOW DIDIT FINALLY DISAPPEAR?
folid aiyin th ditenu. ayin tho distonu.
B. DID THE PHENOUEN MOVE BEHIND OR IN FRONT OF SOMETHING. LIKE A CLOUD, TREE, OR BUILDING AT ANY TIME? TREE RUILDING THME'
- ES. DESCPIBE.
/
PAGE S OF 9 PAGES

15 DRAW A PICTURE THAT WILL SHOW THE SHAPE OF THE PHENOMENON. INCLUDE AND LABEL ANY DETAILS THAT MIGHT
HAVE APPEARED AS WINGS OR PROTRUSIONS, AND INDICATE EXHAUST OR VAPOR TRAILS. INDICATE BY AN ARROW THE
DIRECTION THE PHENOMENON WAS MOVING.
wk
5. '5 AHAT WHAT WAS THE ANGULAR SIZE? HOLD A MATCH AT ARM'S LENGTH IN FRONT OF A KNOWN OBJECT. SUCH AS A STREET WAS ANGULAR SIZE? HOLDAMATCH AT ARM'S LENGTHIN FRONT OF A KNOWN OBJECT. SUCH AS A STREET
LAMP LAMP CR THE MCON. NOTE HOW MUCH OF THE OBJECT IS COVERED BY THE HEAD OF THE MATCH. NOW IF YOU HAD CR THE MOON. NOTE HOW MUCH OF THE OBJECT IS COVEREO BY THE HEAD OF THE MATCH. NOW IF YOU HAD
BEEN ABLE TO =ERFORM THIS EXPERIMENT AT THE TIME OF THE SIGHTING, ESTIMATE WHAT FRACTION OF THE TLE SIGHTINC ESTIMATF WH SERACTION THE
PHENOMENO- WOLLD HAVE BEEN COVERED BY THE MATCH HEAD.
ofyietafs
lt the
hay 34of
PAGE 6 OF 9 PAGES

17 DID YOU OBSERVE THE PHENOMENON THROUGH ANY OF THE FOLLOWING? INCLUDE INFORMATION ON MODEL.
TYPE. FILTER. LENS PRESCRIPTION OR OTHER APPLICABLE DATA.
EYEGLASSES CAMERA VIEWER
SUNGLASSES BINOCULARS
WINDSHIELD TELESCOPE
SIDE WINDOW OF VEHICLE THEODOLITE
WINDOWPANE OTHER
A DO YOU ORDINAR ILY WEAR GLASSES? YES 1ZNO B. DO YOU USE READING GLASSES? YES NO
18 WHAT WAS YOUR IMPRESSION OF THE S SPEE WHAT WAS YOUR IMPRESSION OF THE DISTANCE OF THE
PHENOMENON DIVE ESTIMATE OF SPEED PHENOMENON? GIVE ESTIMATE OF DISTANCE m
20 IN ORDER TH-T *E MAY OBTAIN AS CLEAR A PICTURE AS POSSIBLE OF WHAT YOU SAW, DESCRIBE IN YOUR OWN WORDS
A COMMON OEJEST OR OBJECTS WHICH. WHEN PLACED IN THE SKY. SIMILAR TO WHERE YOU NOTED THE PHENOMENON.
WOULO BEAR SOME RESEMBLANCE TO WHAT YOU SAW. DESCRIBE SIMILARITIES AND DIFFERENCES BETWEEN THE
COMMON OEJEGT AND WHAT YOU SAW.
Dtwos a
Hosrdincoloro
roppruit.
21 41 DID YOU NOTICE ANY ODOR, NOISE CR -EAT EMANATING FROM-THE PHENOMENON OR HEAT EMANATING FROM-THE PHENOMENON OR ANY ANY EFFECT ON ON YOURSELF.
ANIMA.S OR MACHINERY IN THE VICINITY ANIMA_S OR MACHINERY IN THE VICIN Y IYES C YES ∠+NO. IF YES. DESCRIBE. +NO. IF *YES.DESCRIBE.
DID THE PHENOMENON JISTURS THE GROUND OR LEAVE ANY PHYSICAL EVIDENCE. LIYES 10
IFYES.CDESCRIBE
PAGE 7 OF 9 PAGES

.
22 HAVE YOU EVER SEEN THIS OR A SIMILAR PHENCMENON BEFORE? ClYES 4NO. IF ES GIVE DATE AND
LOCATION
WAS ANYONE H oU A T 7 HE TIME YOU SAW THE PHENOMENON? SYES NO. IF YES. DID THEY SEE IT TOOI
LETES 0 NO.
A. LIST THEIR NAMES AND ADDRESSES
24 GIVE THE FOLLOWING INFORMATION ABOUT YOURSELF
LASTNAME. FIRSTNAME HIDOL E N
ADDRESS(StreCIat
TELEPHO AGE
MALE FEMALE
INDICATEA ADDITION UDING JPATION AND ANY EXPERI
Cily, Cd
25 WHEN -OMOID YOU REP AD SIGHTEO THIS PHENOMENON?
DAY 3/ MONTH
DATE YOUCOME THIS QL TIONNAIRE.
DAY_ 2 MONTH_ liigreanCE
PAGE BOF9 PAGES