Surveys
Underwater research operations in progress during daylight hours until 13 nov by M/V natsushima and M/V…
HYDROPAC 1603/00
- issued
- 2000-10-31 09:20Z
- status
- cancelled 2000-11-14 00:00Z (archive)
- authority
- NAVAREA XI 671/00 310807Z OCT 00
- sea
- Philippine Sea
- position
- 29.129, 140.530
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER RESEARCH OPERATIONS IN PROGRESS DURING DAYLIGHT HOURS UNTIL 13 NOV BY M/V NATSUSHIMA AND M/V SHINKAI 2000 WITHIN FOUR MILES OF: A. 32-06.7N 139-51.8E. B. 28-34.2N 140-38.8E. C. 26-42.3N 141-04.8E. 2. CANCEL THIS MSG 14 NOV.
This area · survey operations
53 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 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
- 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
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.