Underwater operations 07 thru 13 oct by M/V kan 407 vicinity 33-58-38.8N 123-21-14.2E
Yellow Sea · HYDROPAC 1824/02
What this record establishes
Archived notice · 2002-10-14 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 645/02 020801Z OCT 02. Issued 2002-10-02 16:15Z. 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
- Yellow Sea. The parsed report position is 33.977, 123.354. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2002-10-02 16:15Z
- status
- Archived notice
- authority
- NAVAREA XI 645/02 020801Z OCT 02
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Yellow Sea
- position
- 33.977, 123.354
- vessel
- M/V KAN 407
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 07 THRU 13 OCT BY M/V KAN 407 VICINITY 33-58-38.8N 123-21-14.2E. 2. CANCEL THIS MSG 14 OCT.
Reading this warning
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- 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
8 within 180 nm since 2000 · 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.
- Underwater operations in progress until 31 dec by vessel in vicinity 34-33-18.9N 121-15-41.0E2015-08-12
- Survey operations in progress until 30 sep by M/V towing 8500 meter long cable in area bound by 34-13-04N…2012-08-17
- Survey operations in progress until 30 sep by vessel towing 8000 meter long cable in area bound by 35-22N…2010-08-17
- Survey operations in progress until 30 nov by vessel towing 5000 meter long cable in area bound by 36-04.8N…2006-10-27
- Survey operations in progress until 15 sep by M/V odin explorer towing 4000 meter long cable in area bound…2006-07-19
- Survey operations in progress until 17 oct by M/V geo arctic towing 3000 meter long cable in area bound by…2001-09-07
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
54 survey operations listed in force · see all
Record snapshot 2026-09-29 18:15Z; 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.