Surveys
Submarine research operations during daylight hours daily 23 thru 29 may by M/V natsushima and submersible…
HYDROPAC 816/05
- issued
- 2005-05-18 13:28Z
- status
- cancelled 2005-05-30 00:00Z (archive)
- authority
- NAVAREA XI 234/05 181205Z MAY 05.
- sea
- Philippine Sea
- position
- 29.712, 140.415
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SUBMARINE RESEARCH OPERATIONS DURING DAYLIGHT HOURS DAILY 23 THRU 29 MAY BY M/V NATSUSHIMA AND SUBMERSIBLE HYPER-DOLPHIN WITHIN THREE MILES OF: A. 32-06.2N 139-52.0E. B. 31-28.2N 140-04.3E. C. 28-34.0N 140-38.8E. D. 26-42.5N 141-04.5E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 30 MAY.
This area · survey operations
50 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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24
- 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 thru 28 aug by M/V yokosuka with submersible shinkai 6500 in area bound by…2023-08-23
- 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
Season · when survey operations happen here
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M
A
M
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month of issue, all years in the archive
Nearby now · within 120 nm
- 180500Z issued at 190200Z sepVolcanic · 105.3 nm
- Discoloured water observed in vicinity of 31-26.4N 140-03.0E at 180545Z sepVolcanic · 105.4 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.