Surveys
Underwater operations by M/V yokosuka 01 thru 09 sep in area bound by 31-00.00N 132-00.00E, 31-00.00N…
Philippine Sea · Japan · HYDROPAC 2806/23
- issued
- 2023-08-31 15:37Z
- status
- cancelled 2023-09-10 01:00Z (archive)
- self-cancels
- 2023-09-10 01:00Z
- authority
- NAVAREA XI 312/23 311303Z AUG 23.
- position
- 27.818, 135.318
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
PHILIPPINE SEA. JAPAN. DNC 12, DNC 23. 1. UNDERWATER OPERATIONS BY M/V YOKOSUKA 01 THRU 09 SEP IN AREA BOUND BY 31-00.00N 132-00.00E, 31-00.00N 135-00.00E, 29-00.00N 135-00.00E, 29-00.00N 138-00.00E, 25-00.00N 138-00.00E, 25-00.00N 134-00.00E, 29-00.00N 134-00.00E, 29-00.00N 132-00.00E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 100100Z SEP 23.
This area · survey operations
11 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now
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05
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15
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23
- Survey operations 12 and 13 jun by M/V geo resolution in area bound by 28-47N 133-21E, 28-35N 131-48E,…2016-06-11
- Survey operations 11 and 12 jun by M/V geo resolution in area bound by 29-36N 136-20E, 28-47N 133-21E,…2016-06-10
- Underwater operations 07 and 08 feb by M/V kairei with submersible within 1000 meters of 25-46.0N 137-00.5E2013-02-02
- Underwater operations 22 nov by M/V kairei with submersible within 1000 meters of 25-46.0N 137-00.5E2012-11-17
- Underwater operations 07 and 08 feb by M/V kairei with submersible vicinity 25-46.1N 137-00.5E2010-02-02
- Underwater operations during daylight hours daily 03 thru 13 jun by M/V kairei with submersible vicinity of…2009-05-29
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.