Surveys
Underwater operations by submersible shinkai 6500 and M/V yokosuka: a. 05 thru 09 jun in areas bound by: a.…
Philippine Sea · Western North Pacific · Japan · HYDROPAC 1447/25
- issued
- 2025-06-04 13:20Z
- status
- cancelled 2025-12-04 16:15Z (dropped from snapshot)
- self-cancels
- 2025-06-23 00:01Z
- sea
- Philippine Sea
- position
- 31.519, 138.410
- source
- nga_wayback · first seen 2025-06-16 16:45Z
Original warning text
PHILIPPINE SEA.
WESTERN NORTH PACIFIC.
JAPAN.
DNC 12.
1. UNDERWATER OPERATIONS BY SUBMERSIBLE
SHINKAI 6500 AND M/V YOKOSUKA:
A. 05 THRU 09 JUN IN AREAS BOUND BY:
A. 33-40.00N 138-05.00E, 34-20.00N 138-05.00E,
34-20.00N 137-40.00E, 33-20.00N 136-10.00E,
32-50.00N 136-10.00E, 32-50.00N 136-30.00E.
B. 32-10.00N 134-30.00E, 32-40.00N 134-30.00E,
32-40.00N 135-00.00E, 32-10.00N 135-00.00E.
B. 10 THRU 20 JUN IN AREAS BOUND BY:
C. 28-00.00N 140-43.00E, 25-08.00N 140-43.00E,
25-08.00N 140-51.00E, 28-00.00N 140-51.00E.
D. 28-16.00N 140-29.00E, 28-23.00N 140-29.00E,
28-23.00N 140-38.00E, 28-16.00N 140-38.00E.
E. 28-31.00N 143-35.00E, 28-38.00N 143-35.00E,
28-38.00N 140-42.00E, 28-31.00N 140-42.00E.
F. 28-59.00N 140-29.00E, 29-08.00N 140-29.00E,
29-08.00N 140-37.00E, 28-59.00N 140-37.00E.
G. 29-15.00N 140-25.00E, 29-22.00N 140-25.00E,
29-22.00N 140-31.00E, 29-15.00N 140-31.00E.
H. 29-24.00N 140-16.00E, 29-32.00N 140-16.00E,
29-32.00N 140-25.00E, 29-24.00N 140-25.00E.
C. 21 THRU 22 JUN IN AREA BOUND BY:
I. 35-00.00N 139-12.00E, 35-03.00N 139-12.00E,
35-03.00N 139-15.00E, 35-00.00N 139-15.00E.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 230001Z JUN 25.This area · survey operations
33 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
25
- Underwater operations 24 thru 28 aug by M/V yokosuka with submersible shinkai 6500 in area bound by…2023-08-23
- Underwater operations 20 thru 27 sep by M/V shinkai 6500, mother ship, and yokosuka with subersible in area…2022-09-19
- Underwater operations 13 thru 23 jun by M/V yokosuka with submersible in area bound by 28-30N 138-20E,…2021-06-12
- Underwater operations in progress until 03 mar by M/V shinkai 6500 in area bounded by: a. 34-00N 138-00E…2019-02-27
- Underwater operations 23 thru 28 mar by M/V yokosuka with submersible in areas: a. bound by 34-00.0N…2018-03-18
- Underwater operations in progress until 19 apr by M/V yokosuka with submersible: a. in area bound by 34-00N…2017-04-05
Season · when survey operations happen here
J
F
M
A
M
J
J
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month of issue, all years in the archive
Nearby now · within 120 nm
- Discoloured water observed in vicinity of 31-26.4N 140-03.0E at 180545Z sepVolcanic · 84.1 nm
- 180500Z issued at 190200Z sepVolcanic · 84.1 nm
Worldwide now
86 survey operations in force · see all
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.