Military Report
Unclassified Complete
733667-001-002
National Archives and Records Administration
Confidence
85%
Credibility
90%
View original document ↗ hosted at the official government source
Intelligence summary
On November 17, 1986, Japan Airlines Flight 1628, a Boeing 747 cargo flight, reported an unidentified traffic at its altitude during its flight from Keflavik, Iceland to Anchorage, Alaska. The traffic was visible on the aircraft's weather radar and was tracked by air traffic control. The unidentified object remained in proximity to the aircraft during maneuvers until it was no longer visible.
Tags & topics
Linked cases
Locations referenced
| Location | Context | Confidence | Supporting text |
|---|---|---|---|
| Anchorage, AK | Unknown Context | Low | …- - .., __ . - --· -· - - ·-- - . - -·...., - - . - . . - .. - Keflavik, Iceland j ~YES C ·'' 30.l MC u i Anchorage_ . zTCC N/A - 11/ 17/RF, - :'>JO u.. u.. 2. |
| Anchorage, AK | Unknown Context | Low | …TA 8. RADAR CONTROL <=: Anchorage, Alaska a: <.::J Q !FR OvFR 0NONE BYES CNo I- 1820 A ST 10. TYPE a: APPROACH <=: 3 . TAKEOFF GROSS WEIGHT/ C.G. 6 . LAST COMM |
| Anchorage, AK | Incident Location | Unresolved | …1987 c 3 . DATE January 7. NTSB INVESTIGATOR NIA 4 . DISTRIBUTION AVN-120 thru AAL-200 8 . RELATED REPORTS None On November 17, 1986 Japan Airlines Flight 1628 |
| Iceland to Anchorage, Alaska | Incident Location | Unresolved | On November 17, 1986, Japan Airlines Flight 1628, a Boeing 747 cargo flight, reported an unidentified traffic at its altitude during its flight from Keflavik, I |
Extracted timeline
Jun 16, 2026
Ingestion Date
Ingestion Date for 733667-001-002
Jun 16, 2026
Document Record Date
Document Record Date for 733667-001-002
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Update Date
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Entities mentioned
Full document text
5,961 characters, transcribed via OCR. Errors reflect the source scan. Compare with the original ↗
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PERSONAL
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8 . RELATED REPORTS
None
On November 17,
1986
Japan Airlines
Flight
1628,
an all
cargo
Boeing 747,
was
en route
from Kef lavik, Iceland
to
Anchorage,
Alaska.
At 0219
UTC
(November
18,
1986)
the captain
of
Flight 1628
reported
traffic
at his
altitude
1 mile in front
of his aircraft. The
unidentified
traffic was
later
reported visible
on JAL
1628's weather radar
and
intermittently by Anchorage
Center and
the Military
Regional Operations
Center.
JAL 1628
reported
that
the
traffic
stayed
in his
vidnity during a
descent
and
turns,
including a 360
degree turn.
At
0253 UTC
UJ
JAL 1628
reported
that
the
unidentified
traffic was no
longer
in
sight.
>
I-
Refer
to
attachments
for specific
information.
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-(lU.S. G . _P.O. 1980- 627.235/1447
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TABLE OF CONTENTS
1 . FAA Form 3112; completed by Inspector Jack Wright
2. FAA Form 1600-32-1; completed by Inspector Ronald E. Mickle
3 . FAA Form 1600-32-1; completed by Special Agent James Derry
4 . Transcript of Interview with Captain Terauchi
5 . Written Statement and Drawing by Captain Terauchi
6 . Transcript of Interview with First Oficer Tamefuji
7. Transcript of Interview with Flight Engineer Tsukuba
8 . ATC report of Unidentified Traffic Sighting by Japan Airlines
Flight 1628, November 18, 1986, ANC ARTCC
9. Tape of Interview with Captain Terauchi
10. Tape of Interview with First Officer Tamefuji
11. ATC Tape