Underwater operations thru 31 oct along trackline between 52-05.1N 141-20.9E and 52-06.0N 141-38.0E 2.…
Sea of Okhotsk · HYDROPAC 1592/04
What this record establishes
Archived notice · 2004-11-01 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) · VALDIVOSTOK 185/04 OCT 04.. Issued 2004-10-06 20:55Z. 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
- Sea of Okhotsk. The map shows the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.
Current notices and reporting history in the Sea of Okhotsk →
- issued
- 2004-10-06 20:55Z
- status
- Archived notice
- authority
- VALDIVOSTOK 185/04 OCT 04.
- issued by
- VALDIVOSTOK
- sea
- Sea of Okhotsk
- position
- 52.093, 141.491
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS THRU 31 OCT ALONG TRACKLINE BETWEEN 52-05.1N 141-20.9E AND 52-06.0N 141-38.0E 2. CANCEL THIS MSG 01 NOV.
Reading this warning
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- Track line joining
- Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
- 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
137 within 180 nm since 2000 · 5 in the last 12 months · 2 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 in progress until 25 oct by M/V fyodor kovrov in area bound by 53-46.10N 141-20.00E,…2026-09-19
- Survey operations in progress until 25 oct by M/V fyodor kovrov in area bound by 53-55.97N 142-53.27E,…2026-09-15
- Survey operations in progress until 25 oct by M/V fyodor kovrov in areas bound by: a. 53-55.97N 142-53.27E,…2026-09-14
- Underwater operations 25 may thru 31 dec in area bound by 51-34.92N 143-24.27E, 51-34.90N 144-06.22E,…2026-05-22
- Underwater operations 01 may thru 31 oct in areas bound by: a. 51-27.95N 143-26.72E, 51-29.25N 143-45.52E,…2026-04-23
- Survey operations 25 jun until further notice by vessels in area bound by 52-37.78N 143-52.27E, 52-38.92N…2025-06-24
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
- Underwater operations 01 may thru 31 oct in areas bound by: a. 51-27.95N 143-26.72E, 51-29.25N 143-45.52E,…Surveys · 92 nm
- Wave rider buoy established in 51-22.54N 144-14.17ENav aids · 110.8 nm
- Underwater operations 25 may thru 31 dec in area bound by 51-34.92N 143-24.27E, 51-34.90N 144-06.22E,…Surveys · 113.3 nm
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-04 01:56Z; 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.