PROJECT BLUE BOOK

14 Mar 58 Possibly Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERYATION
Local Ground-Visual Ground-Rodar Was Aircraft
100 Probably Aireraft
GMT. 14/1645Z AinVisual Air-Intercept Radar Possibly Aircraft
5. PHOTOS 6. SOURCE Was Astronomical
Yos 0 Probably Astronomical
O.No Civilian 0 Possibly Astronomical
7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS 9. COURSE Other.IUNIDE TIELED
000 Insufficient Data for Evaluation
South Unknown
2 mins one
TO. SRIEF SUMMARY OF SIGHTING 11. COMMENTS
Balloon shaped obj, 3 ft Balloon shaped obi. in in diameter INo analysis leading No analysis leading to conclusion
blackish. Obj blackish. approached fm the fm the made. Obj at close range since obt
West touched ground nentarily, ther iservers indicated that obj touched
took off to the East, turned South took off to the East. turned South ground at l50 yd ground at l50 vd & then took off then took off
& then disappeared. again, Balloon again. Balloon ruled out since leak
balloon would have stayed down & balloon would ha stayed i down &
Inot taken off again. Asso not taken off again. Akso flight
smooth & radical change in directio Hirectio
at same alt not constant w/this at same alt not constant w/this
analysis. Case unidentified at analysis. Case unidentified at
this time. this time.
ATIC FORM 26 SEP 52)
3

STAFF MESSACE DIVISION
HQAL17 XT8077 XDB051091 UNCLASSIFIED MESSAGE
MING
·PP RJEDDN RJEDSQ RJEPHQ
DE RJWPSB 62A
P 142100Z ①
FM COMMANDER DET 1 IPPYTH AISS HAMILTON AFB CALIF
TO RJEDDN COMMANDER AIR DEFENSE COMMAND
RJWPSB/ COMMAN GENERAL 28TH AIRHDIV
RJEDSO/ COMMANDER AIR TECHNICAL INTELLIGENCE E CENTER
RJEPHO ASSISTANT CADQUARTERS USAF
RJEPHO/ OFFICE OF INFORMATION SERVICES HEADQUARTER USAF
BT
UNCLASS FROM AISD1 022 PD
IN ACCORDANCE WITH PAR 15 A AFR 200-2 R200-2 CMM DATED 5 FEB 58 THE FOLLOWING
INFO IS SUBMITTED: INFO IS SUBMITTED:
A(1) BALLOON
23 FT DIA (2 3 FT DIA
(3) BLACKISH
(4) I (ONE (4) I (ONE)
(5) NA
(6) NO DETAILS NOTED
(7) NO PROTRUSIONS
AF IN : 18089 (15 Mar 58) Page l of pages

STAFH MESSAGE DIVISION
UNCLASSIHIED MESSAGE 0
.PAGE TWO RJWPSB 62A INCOMING
J
O SOURCE HEARD SOUND OF AUTO ENGINE AT TIME OF SIGHTING CMM
DOUBTFULL AS TO WHETHER SOUND CAME FROM OBJECT PD HIGHWAY
IS LOCATED NEAR THE AREA WHERE OBJECT WAS SIGHTED
(9) NONE
B (1) SOURCE' S HUSBAND AND MR (BOARDER) HAD
SIGHTED OBJECT S IT PD
(2-5) OBJECT APPROACHED FROM THE WEST CMM TOUCHED GROUND MOMEN-
TARILY Y APPROX 150 YDS BEHIND SOURCE' S HOUSE PD THEN TOOK OFF
TO THE EAST PD OVER THE HIGHWAY CMM TURNED SOUTH HEADING OVER
A GROUP OF TREES TOWARD A GROUP OF TREES TOWARD THE T THE TOWN OF TOWN OF HEALDSBURG HEALDSBURG CMM CMM CALIF CALIF
AND THEN DISAPPEARED PD AND THEN DISAPPEARED PD
(6) APPROX 2 M MINUTES
C (1) SOURCE'S H SOURCE'S F HUSBAND AND MR PD WHO WERE IN THE BACK IN THE BACK
H YARD CMM SIGTED OBJECT PD TH . CALLED IT THE ATTENTION OF CALLED IT THE ATTENTION OF
SOURCE WHO WAS IN THE SOURCE WHO KITCHEN PD SOURCE KITCHEN PD SOURCE VIEWED THE OBJECT VIEWED THE OBJECT
FROM THE WINDOW PD
(2) NO OPTICAL AIDS USED
(3) NA
D (1) 141645Z MARCH 58
(2) SKY
AF IN : 18089 (15 Mar 58) Page 2 of pages

STAFT MESSACE DIVISION
UNCLASSIRIED MESSAGE
FAGE THREE RJWPSB 62A INCOM-ING
E(1) HEALDSBURG CMM CALIFORNIA ( GEOREF DJNJ 0837) 38 DE0 37N
122 DEG 52 E
F (1) CIVILIAN CMM MRS (SOURCD
HEALDBURG CMM CALIFORNIA
CIVILIAN CMM MR
ADRESS
CIVULIAN CMM MR
SAME ADDRESS
G (1 OVERCAST
(2) US WEATHER BUREAU CMM OAKLAND CMM CA
IFORNIA
6000 6000 210 21K
10 220 28
16 240 55
20 20 250 74
19 260 109 260 109
50 270 78
80 270 62
(3) (4) (5) WEATHER BUREAU UKIAH CMM CALIFORNIA
141600Z CMM 30 OVERCAST
AF IN : 18089 (15 Mar 58) Page 3 of 4 pages

PAGE FOUR RJWPSB 62A UNCLASSIBRD MESSAGE MLOWAOLPMISIOIN
5 RW -FPD INCOMING
141700Z PARTIAL OBSCURATION 30 OVERCAST 2 R-F PD
WEATHER BUREAU SANTA ROSA CMM CALIFORNIA
141600 Z -CMM 30 SCATTERED PRECEIPITALION 40 OVERCAST 6 R PD
DET 5 CMM 4TH WEATHER SODN CMM HAMILTON
141643Z CMM BALL0ON 14 BROKEN 35 BROKEN 70 OVERCAST 20 PJ
(6) NO THUNDERSTORMS IN N AREA
H SAN FRANCISCO WEATHI BUREAU CMM CALIFORNIA
OAKLAND
141200Z CMM RATE OF DESCENT TO 400 FEET PER MINUTE
H NA
J NA NH
K POSSISLE POSSIBLE WEATHER BALLOON
L NA
BT BT
15/0115Z MAR RJWPSB RJWPSB
ACTION: ACTION: CIN
INFO OOP, SAFIS
AF IN : 18089 9(15 Mar 58) Page 4 of 4 pages G/am
a