Other
Unclassified Complete
733667-001-010
National Archives and Records Administration
Confidence
85%
Credibility
90%
View original document ↗ hosted at the official government source
Intelligence summary
An interview with JAL flight engineer Yoshie Tsukuba regarding a UFO sighting on November 17, 1986, conducted by FAA representative Pete Beckner.
Tags & topics
Extracted timeline
Jun 15, 1987
Document Date (year hint)
Document Date (year hint) for 733667-001-010
Jun 16, 2026
Ingestion Date
Ingestion Date for 733667-001-010
Jun 16, 2026
Document Record Date
Document Record Date for 733667-001-010
Jun 16, 2026
Update Date
Update Date for 733667-001-010
Entities mentioned
Full document text
6,780 characters, transcribed via OCR. Errors reflect the source scan. Compare with the original ↗
A JAL flight engineer, Yoshie Tsukuba, was interviewed by Pete
Beckner of FAA on January 15, 1987, through an interpreter,
Sayoko Mimoto, regarding to the UFO which had been sighted on the
17th of November, 1986, by Captain Terauchi.
Beckner:
Tsukuba:
Beckner:
Mimoto:
Tsukuba:
Beckner:
Describe what you saw.
May I speak in Japanese?
Oh! Yes, please.
Oh! yes, please.
The first time I saw it was through the Ll window, at
the 11 o'clock position. It looked larger than
navigation lights. I do not remember exactly how many
of those <lights> were there but clusters of lights
were undulating.
What was the color of those lights, was it green?
Tsukuba: I can not describe the details but it was white or
amber colored lights.
Beckner: When you saw the object was it obvious to you? Did you
notice it immediately?
Tsukuba: Yes, it was.
I noticed it immediately.
Beckner: Did it stay with you at position 11 o'clock?
did you see this object?
How long
Tsukuba: Yes, approximately 5 minutes, 10 minutes, I think I saw
it for about 10 minutes after I sighted it the first
time. The reason is because the Captain wanted to take
pictures. His camera bag was placed behind his seat,.
beside mine, and I handed it to him. But he could not
take pictures, so I placed his camera bag beside my
seat again. So I think it took about 10 minutes.
Beckner: Why could he not take any pictures?
Tsukuba: Well, his camera is Alpha 7,000, with film ASA 100. He
could not operate it well. I mean the operating
procedure of the camera was not understood well.
Beckner: What kind of camera did he have?
1
..
Tsukuba: It was just at sunset at right front of us. There was
a stripe of red line and almost dark, it was almost
pitch dark behind us.
Beckner: How was the lighting conditions inside the cockpit?
Tsukuba: We had night illumination at above sideways. I was
using a spot light while calculating the data. I do
not remember whether the Captain had the lights turned
off or not. There is a switch that can turn the light
to regular fluorescent or to dark. It was set to dark.
Beckner: How long did you see the object?
Tsukuba: The one in front of us, as I mentioned
it for about 10 minutes, then, the one
at 9 o'clock, together, a total of
lights in front of us and the other
absolutely different nature of lights.
earl i er , I saw
on our left side
30 minutes. The
one were of two
Beckner: Would you show us what they looked like on this paper?
Tsukuba: The lights in front of us were clusters of lights like
this. I think they were made of two parts. How should
I say this, but the lights were shaped like windows of
a passenger aircraft.
Beckner: What was the shape of the object like?
Tsukuba: I do not know. It was just lights. The one in front
of us was like an aircraft viewed from another aircraft
which was ours.
Beckner: Did the object move with your aircraft when you changed
direction or altitude?
Tsukuba: When we saw the first one in front of us, we did not
change the heading, but the second one, it was really
hard to see, I had to try real hard to see it, so we
changed heading. I think the object was with us when
we changed altitude. When we changed altitude, I could
not see. The Captain said it was still there, so I
felt like it was there.
Beckner: Did you see another aircraft?
Tsukuba: I saw United Air Line.
Beckner: Any other lighted, or unlighted objects?
3
Tsukuba: The points I would like to reinforce are that the
lights in front of us were different from town lights.
I can not describe the shape. I am not as certain as I
am
about the lights on the left side. I do not know
what the shape of the objects was. So I am sure that
the lights that were in front of us were different from
town lights. When I was interviewed here at the first
time by FAA personnel, I was not sure whether the
object was an UFO or not. My mind has not changed
since then.
·~ ,,.. . . ·---·----:::::>
_ __) ·(--\ ~
0L~~-:-~---··--··----··-·-
Peter E. Beckner
A.S.I.
5
Tsukuba: Alpha 7,000. It is made by Minoruta.
is called in America.
I wonderwhat it
Beckner: Have you seen this kind of thing before? Was this the
first time anything of this nature has happened to you?
Tsukuba: Yes, this was the first time.
Beckner: Who first sighted the object?
Tsukuba: I do not know which person picked it up first. I was
making a landing data. The Captain told us to see if
there is a some kind of object outside.
Beckner: Did you see the radar?
Tsukuba: When the Captain told me to look, I could see the
radar.
Beckner: Were you able to see it on radar? What did you see on
the radar?
Tsukuba: Yes, a green dot like, not exactly like a dot. It was
not a dot, but stream like, I think the range was about
10 miles. I do not think it (on the radar> was the
same lights as the one I saw in front of us.
Beckner: How was the intensity of the lights? Did the intensity
of the objects' lights change?
Tsukuba: Basically the same. I cannot describe it. Not even in
Japanese. The first one did not change. The second
light was very difficult to see. It was so vagua.
Beckner: Was any other target picked up on radar?
Tsukuba: I cannot remember.
difficult to see.
The tilt angle of the radar was
Beckner: Difficult to remember, on the radar, did you have to
look for the object?
Tsukuba:
I identified immediately the one in front of us •
Beckner: At the time of sighting, how were the lighting
conditions outside?
2
Tsukuba: When the United aircraft was passing by, we were seeing
the second lights.
Beckner: Did the intensity of lights change?
Tsukuba: The first lights I saw was unchanged until they
disappeared. The second one, it was so hard to see.
In my mind, I am not certain whether it was lights of a
distant town or a strange object.
Beckner: What were the weather conditions?
Tsukuba: It was clear.
Beckner: Did you see any stars?
Tsukuba: I think there were stars, but •••
Beckner: Any magnetic disturbance?
Tsukuba: No.
Beckner: Were there any instrument fluctuations on your Flight
Engineer's panel during the objects presence?
Tsukuba: No, it didn't <there weren't).
Beckner: Do you wear glasses?
Tsukuba: No, I don't.
Beckner: Was there any reflection on the inside of the glass?
Tsukuba: Reflection? What do you mean?
Mimoto:
Did you see any reflection of inside lights on the
aircraft window glass?
Tsukuba: No. there was not any.
Backner: Would you like to add anything? Do you have any
questions? We have come here and interviewed you a
lot. Is there anything we can answer regarding your
questions?
4
\ . -·
.. "
t '·
I L
. '
'-·.
w~ ~~-
~ oD ~~-
( ?--
t I .;L ~t.l/rt~
LV~ f 'i:_.
s~ Nt-11:00
~~{It 06:..)
\