Surveys
Underwater operations 09 thru 29 mar by M/V kairei towing 6000 meter long cable vicinity of tracklines…
Western North Pacific · Japan · Nampo Shoto · HYDROPAC 687/11
- issued
- 2011-03-04 07:56Z
- status
- cancelled 2011-03-14 08:13Z (archive)
- authority
- NAVAREA XI 125/11 040734Z MAR 11.
- sea
- North Pacific Ocean
- position
- 27.837, 143.123
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. JAPAN. NAMPO SHOTO. 1. UNDERWATER OPERATIONS 09 THRU 29 MAR BY M/V KAIREI TOWING 6000 METER LONG CABLE VICINITY OF TRACKLINES BETWEEN: A. 29-52.6N 141-57.5E AND 27-08.9N 143-09.1E. B. 27-13.9N 144-24.4E AND 26-55.2N 143-14.8E. C. 27-04.7N 144-24.4E AND 26-46.1N 143-14.9E. 2. CANCEL THIS MSG 30 MAR.
This area · survey operations
35 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
- 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
Timeline
- Cancel HYDROPAC 687/11 and this msg, operations completedcancelled by · 2011-03-14
Nearby now · within 120 nm
- Chichi shima, futami ko NR.3 light buoy, 27-04.9N 142-11.2E, L.LNav aids · 67.4 nm
Worldwide now
84 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.