Surveys
Underwater operations 06 thru 12 mar by M/V shinkai 6500 and M/V yokosuka in area bound by 28-15N 142-00E,…
Western North Pacific · Philippine Sea · Japan · HYDROPAC 727/21
- issued
- 2021-03-05 12:14Z
- status
- cancelled 2021-03-13 00:01Z (archive)
- authority
- NAVAREA XI 73/21 051134Z MAR 21.
- position
- 28.750, 142.500
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. PHILIPPINE SEA. JAPAN. DNC 12. 1. UNDERWATER OPERATIONS 06 THRU 12 MAR BY M/V SHINKAI 6500 AND M/V YOKOSUKA IN AREA BOUND BY 28-15N 142-00E, 29-15N 142-00E, 29-15N 143-00E, 28-15N 143-00E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 13 MAR 21.
This area · survey operations
48 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 20 oct thru 06 nov by shinkai 6500, mother ship and yokosuka in areas within three…2023-10-19
- 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
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 · 101.5 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.