PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969

CASE REFERENCE6963046

DATE OF SIGHTINGMarch 1958

REPORTED LOCATIONKunashiri Island Japan

FRAMES4

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Transcribed Frames

FRAME 001 / 004paddle-gpu-200dpi

10. . BRIEF SUMMARY OF SIGHTING body that disappeared Observations familiar with
after ten minutes at an altitude of Luminous would probably be
m. Color not determined. clouds and other weather pheno-
2,000 body observed to rise mena in the area. Insufficient
Luminous gradually for about 20 minutes. Color data for evaluation.
ATIC FORM 329 (REV 26 SEP 52)
.

FRAME 002 / 004paddle-gpu-200dpi

LBHRo80
Gountry: Japan/USSR UNCLASSIFIED
Subject: Luminous Sightings off the MC#: None 70
Hokkaido Coast AF#: 1170908
Source: Maritime Safety Board Rot #: IR-1886-58
Preparing Officer: Anthony M. Pereira, Agency: 6004th Air Intel Sv Sq
Capt. USAF D.R.: April 2, 1958
D.I.:March 8, 1958
Set 1/1, Card 1/3 Eval: B-3
Info Speci DE/nd
Distr: E4g/4F3-3 cys/4Bla Entire Document
Summary:
1. The information The lnformatlon concaln contained in this Gmis Ieporu report was obtained from Mr. Noboru was oot om Mr. Noboru
ITO, Chief of the Aviation Administration Section and Mr. Toru SAHARA, Chief ITO, Chief of the Aviation Administration Section and Mr.Tor SAHARA, Chief
of the No. 2 Security Section, MARITIME SAFETY B of the No. 2 Security Section, MARITIME S ARD, as repor RD, as reporte them by em by
Japanese fishermen off the HOKKAIDo Coast.
A 8 2 This report 2. This report contains information on three luminous sightings of
unknown origin.
LUMINOUS SIGHTINGS OFF THE HOKI
1. Ma ch 1958 personnel of the of the Air Technical ligence e Section,
.

FRAME 003 / 004paddle-gpu-200dpi

3. At 1830 hours(JST) 37 October 19 fishermen pillar
of flame l00 m high , l5o0 m west of ETSU_(4443N/14148E)fOr approximately
red to blue then disapceared.
(JST) March 1958 fishermen observed a luminous
body that disappeare m
in the dirsction of NC
color was not determined. At 2lo3 hours (JST) on the same day, a luminous
near
ZAPADNAYA_(ONNERUSU)(4345N/14526E). The color was not certainly identified,
but was not green.

FRAME 004 / 004paddle-gpu-200dpi

Set 1/1, Card 3/3 Japan/USSR MC #: None
Rpt #: IR-1886-58 7
COMMENTS OF THE PREPARING OFFICER:
5. At approximately 0959 hours (JST) on 19 February 1958 an_unknown
phanomenal? believed to have been an explosion, was detected at 4430N/13730E
at a US radar site in JAPAN. The phenomena lasted approximately two hours.
This office checked with the Meteorological Agency barometric or seismic
data on the premise that an explosion was detonated. was learned that
there were no barometric chere wareno baromecrlc or seismic changes indicative of an explosion at ohe the
above time. Negative information was also obtain above time. N Negative information was also obtained from the Maritime and Maritime and
Air Staff Offices of the Defense Agency.
6. Officials of the Meteorological Agency stated that stated that any barometric
of a nuclear explosion at the MATSUSHIRO SEISMOLOGICAL CBSERVATORY is believed of a nuclear explosion at the MATSUSHIRO SEISMOLOGICAL CBSERVATORY is believed
to have been instigated from this search. (Refer to 6004th AISS, IR 1885-58 (Refer to 6004th A SS, IR 1885-58
for seismic detection of USSR nuclear explosion.)
May 20, 1958
3
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