Surveys
Underwater operations 20 oct thru 06 nov by shinkai 6500, mother ship and yokosuka in areas within three…
Philippine Sea · Western North Pacific · Japan · HYDROPAC 3327/23
- issued
- 2023-10-19 13:06Z
- status
- cancelled 2023-11-07 00:01Z (archive)
- self-cancels
- 2023-11-07 00:01Z
- authority
- NAVAREA XI 360/23 191201Z OCT 23.
- position
- 28.370, 142.974
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
PHILIPPINE SEA. WESTERN NORTH PACIFIC. JAPAN. DNC 12. 1. UNDERWATER OPERATIONS 20 OCT THRU 06 NOV BY SHINKAI 6500, MOTHER SHIP AND YOKOSUKA IN AREAS WITHIN THREE MILES OF: A. 29-05.00N 144-00.00E. B. 28-00.00N 144-28.00E. C. 28-47.00N 142-42.00E. D. 28-14.00N 143-02.00E. E. 27-33.00N 143-00.00E. F. 28-34.27N 140-38.63E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 070001Z NOV 23.
This area · survey operations
39 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Underwater operations 04 thru 21 may by submersible shinkai 6500 and M/V yokosuka in area bound by 28-22.00N…2024-05-03
- Underwater operations 01 thru 07 mar by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…2024-02-29
- Underwater operations 24 may thru 09 jun by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…2023-05-23
- Survey operations in progress until 27 nov by M/V kaimei, towing 12000 meter long cable in area bound by…2022-11-20
- Underwater operations 19 oct thru 05 nov by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…2022-10-18
- Underwater operations 23 may thru 08 jun by M/V yokosuka with submersible shinkai 6500 in areas bound by a.…2022-05-22
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Chichi shima, futami ko NR.3 light buoy, 27-04.9N 142-11.2E, L.LNav aids · 88 nm
Worldwide now
73 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.