Surveys
Survey operations 07 thru 14 apr by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…
Philippine Sea · Japan · HYDROPAC 1153/23
- issued
- 2023-04-06 12:46Z
- status
- cancelled 2023-04-15 00:01Z (archive)
- self-cancels
- 2023-04-15 00:01Z
- authority
- NAVAREA XI 125/23 061201Z APR 23.
- position
- 19.892, 136.041
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
PHILIPPINE SEA.
JAPAN.
DNC 11, DNC 12, DNC 23.
1. SURVEY OPERATIONS 07 THRU 14 APR
BY M/V YOKOSUKA WITH SUBMERSIBLE
SHINKAI 6500 IN AREAS BOUND BY:
A. 15-00.0N 131-00.0E, 21-00.0N 131-00.0E,
21-00.0N 135-00.0E, 15-00.0N 135-00.0E.
B. 15-00.0N 135-00.0E, 21-00.0N 135-00.0E,
21-00.0N 140-00.0E, 15-00.0N 140-00.0E.
C. 23-00.0N 135-00.0E, 27-00.0N 135-00.0E,
27-00.0N 140-00.0E, 23-00.0N 140-00.0E.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 150001Z APR 23.
This area · survey operations
10 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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05
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15
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24
- Survey operations 14 thru 24 apr by submersible shinkai 6500 and M/V yokosuka in areas bound by: a.…2024-04-13
- Underwater operations 04 thru 11 oct by M/V yokosuka and M/V shinkai 6500 in areas bound by: a. 23-00.00N…2022-10-03
- Underwater operations 19 thru 27 jun by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…2022-06-18
- Underwater operations 12 thru 22 apr by M/V shinkai 6500 and M/V yokosuka in areas bound by: a. 24-00N…2021-04-07
- Submarine research operations during daylight hours daily 24 thru 29 nov by M/V kairei with submersible…2004-11-19
- Underwater operations in progress until 14 sep by M/V hakurei maru no2003-09-02
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
75 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.