Surveys
Underwater research operations during daylight hours 19 thru 27 may by M/V shinkai 6500 and M/V yokosuka in…
HYDROPAC 728/01
- issued
- 2001-05-13 09:02Z
- status
- cancelled 2001-05-28 00:00Z (archive)
- authority
- NAVAREA XI 254/01 130805Z MAY 01
- sea
- Philippine Sea
- position
- 32.005, 139.667
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER RESEARCH OPERATIONS DURING DAYLIGHT HOURS 19 THRU 27 MAY BY M/V SHINKAI 6500 AND M/V YOKOSUKA IN AREAS: A. BETWEEN 28-40N 29-20N AND 140-30E 141-00E. B. WITHIN FIVE MILES OF 26-40N 140-55E. C. WITHIN FIVE MILES OF 32-00N 139-40E. 2. CANCEL THIS MSG 28 MAY.
This area · survey operations
41 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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24
- Underwater operations 01 thru 07 mar by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…2024-02-29
- Underwater operations 24 thru 28 aug by M/V yokosuka with submersible shinkai 6500 in area bound by…2023-08-23
- Underwater operations 20 thru 27 sep by M/V shinkai 6500, mother ship, and yokosuka with subersible in area…2022-09-19
- Underwater operations 13 thru 23 jun by M/V yokosuka with submersible in area bound by 28-30N 138-20E,…2021-06-12
- Underwater operations 05 thru 11 mar by M/V shinkai 6500 and M/V yokosuka in areas bound by: a. 34-54N…2020-03-04
- Survey operations 28 oct thru 01 nov by M/V kaimei towing 7000 meter long cable in area bound by 33-00N…2019-10-27
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Discoloured water observed in vicinity of 31-26.4N 140-03.0E at 180545Z sepVolcanic · 39.2 nm
- 180500Z issued at 190200Z sepVolcanic · 39.3 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.