Underwater operations 15 sep thru 30 oct by M/V hakurei maru no
Philippine Sea · HYDROPAC 1558/03
What this record establishes
Archived notice · 2003-10-31 00:00Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA XI 457/03 100805Z SEP 03. Issued 2003-09-11 06:25Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Philippine Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Current notices and reporting history in the Philippine Sea →
- issued
- 2003-09-11 06:25Z
- status
- Archived notice
- authority
- NAVAREA XI 457/03 100805Z SEP 03
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Philippine Sea
- position
- 24.252, 136.769
- vessel
- M/V HAKUREI MARU NO 2 · 9 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 15 SEP THRU 30 OCT BY M/V HAKUREI MARU NO. 2 IN AREA BOUND BY 32-00N 140-00E, 20-00N 143-00E, 20-00N 141-00E, 15-00N 137-30E, 15-00N 132-30E, 20-00N 135-00E, 25-00N 132-30E, 25-00N 130-00E, 27-30N 130-00E, 30-00N 132-30E, 32-00N 134-00E. 2. CANCEL THIS MSG 31 OCT.
Reading this warning
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · survey operations
14 within 180 nm since 2001 · 0 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Survey operations 28 oct thru 03 nov by M/V yokosuka in areas bound by: a. 22-00N 138-00E, 26-00N 138-00E,…2020-10-27
- Underwater operations 07 and 08 feb by M/V kairei with submersible within 1000 meters of 25-46.0N 137-00.5E2013-02-02
- Underwater operations 22 nov by M/V kairei with submersible within 1000 meters of 25-46.0N 137-00.5E2012-11-17
- Underwater operations 07 and 08 feb by M/V kairei with submersible vicinity 25-46.1N 137-00.5E2010-02-02
- Underwater operations during daylight hours daily 03 thru 13 jun by M/V kairei with submersible vicinity of…2009-05-29
- Survey operations 29 oct thru 19 nov by M/V kairei towing 5500 meter long cable in area bound by 33-00N…2006-10-24
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
55 survey operations listed in force · see all
Record snapshot 2026-10-02 07:47Z; source collection times vary.
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.