Underwater operations in progress until further notice in areas bound by: a. 43-52.2N 135-30.5E, 43-49.5N…
Japan Sea · HYDROPAC 1785/03
What this record establishes
Archived notice · 2004-03-06 12:40Z
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) · VLADIVOSTOK 212/03 14 OCT 03. Issued 2003-10-14 16:00Z. 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
- Japan 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.
- issued
- 2003-10-14 16:00Z
- status
- Archived notice
- authority
- VLADIVOSTOK 212/03 14 OCT 03
- issued by
- VLADIVOSTOK
- sea
- Japan Sea
- position
- 43.743, 135.619
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE IN AREAS BOUND BY: A. 43-52.2N 135-30.5E, 43-49.5N 135-41.3E, 43-41.5N 135-34.5E, 43-41.5N 135-37.8E, 43-44.5N 135-46.5E, 43-38.7N 135-47.3E, 43-37.2N 135-37.0E, 43-46.3N 135-26.0E. B. 43-41.5N 135-34.5E, 43-49.5N 135-41.3E, 43-48.0N 135-46.0E, 43-42.8N 135-41.7E, 43-41.5N 135-37.8E.
Reading this warning
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- 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.
Collected reports in this area · survey operations
17 within 180 nm since 2003 · 1 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 210001Z to 211200Z and 251400Z to 261000Z sep in area within five miles of 42-31.00N…2026-09-17
- Survey operations 01 aug thru 31 dec by M/V svetlana and M/V orlan in a. 42-07.40N 130-50.30E2022-07-31
- Survey operations 27 jul thru 20 aug along trackline joining 42-32.00N 131-10.40E, 42-11.70N 131-15.50E,…2022-07-25
- Survey operations 27 jul thru 20 aug in area bound by 45-26.30N 139-13.20E, 47-26.10N 141-53.40E, 42-32.00N…2022-07-25
- Underwater operations 251400Z to 301400Z jun in area bound by 43-04.0N 134-27.6E, 43-04.0N 134-42.2E,…2021-06-25
- Underwater operations 162100Z to 232100Z apr in area bound by 43-04.0N 134-27.6E, 43-04.0N 134-42.2E,…2021-04-14
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
56 survey operations listed in force · see all
Record snapshot 2026-10-01 15:03Z; 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.