Surveys
Submarine research operations during daylight hours daily 25 sep thru 04 oct by M/V natsushima and…
HYDROPAC 1530/05
- issued
- 2005-09-20 08:51Z
- status
- cancelled 2005-10-05 00:00Z (archive)
- authority
- NAVAREA XI 457/05 20 SEP 05.
- sea
- Philippine Sea
- position
- 28.572, 140.643 · r 3.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SUBMARINE RESEARCH OPERATIONS DURING DAYLIGHT HOURS DAILY 25 SEP THRU 04 OCT BY M/V NATSUSHIMA AND SUBMERSIBLE HYPER-DOLPHIN IN AREAS: A. WITHIN THREE MILES OF 28-34.3N 140-38.6E. B. BETWEEN 23-30.0N 23-33.3N AND 141-54.6E 141-56.6E. 2. CANCEL THIS MSG 05 OCT.
This area · survey operations
56 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.