Seismic survey in progress until 31 oct by M/V professor polshkov towing 6000 meter long cable in area bound…
Sea of Okhotsk · HYDROPAC 1789/10
What this record establishes
Archived notice · 2010-10-22 13:27Z
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 XIII 40/10 04 SEP 10.. Issued 2010-09-05 04:25Z. 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
- Sea of Okhotsk. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
Current notices and reporting history in the Sea of Okhotsk →
- issued
- 2010-09-05 04:25Z
- status
- Archived notice
- authority
- NAVAREA XIII 40/10 04 SEP 10.
- NAVAREA
- NAVAREA XIII · named as the source of this relay
- sea
- Sea of Okhotsk
- position
- 55.217, 155.239
- vessel
- M/V PROFESSOR POLSHKOV · 9 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SEA OF OKHOTSK. 1. SEISMIC SURVEY IN PROGRESS UNTIL 31 OCT BY M/V PROFESSOR POLSHKOV TOWING 6000 METER LONG CABLE IN AREA BOUND BY 54-47-54.79N 154-53-52.91E, 55-39-18.43N 154-38-14.69E, 55-47-02.46N 155-38-38.98E, 54-37-20.15N 155-41-08.95E, 54-36-13.44N 155-20-57.42E. THREE MILE BERTH REQUESTED. 2. CANCEL THIS MSG 01 NOV.
Reading this warning
- Seismic survey
- A survey that maps the rock beneath the seabed with sound pulses from air guns, recorded on streamers kilometres long.
- Towed array / streamer
- Equipment towed a long way behind a vessel — sonar, a hydrophone cable, a sampling sled — invisible at the surface.
- Tow / towing
- A vessel towing another vessel, a barge or a structure — slow, hard to manoeuvre, and with a long line between.
- 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.
- Wide berth requested
- Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · cable & pipeline work
9 within 180 nm since 2005 · 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.
- Seismic survey in progress until 10 oct by M/V fa xian 6 towing twelve 6000 meter long cables in area bound…2015-09-21
- Seismic survey 25 jun thru 10 aug by M/V fa XIAN6 towing twelve 6000 meter long cables in area bound by…2015-06-21
- Seismic survey in progress until 30 nov by M/V professor polshkov towing 6000 meter long cable in area bound…2010-10-22
- Seismic survey in progress until 30 sep by M/V professor polshkov towing 6000 meter long cable in area bound…2010-07-18
- Seismic survey in progress until 31 oct by M/V ramform victory and M/V seagood cassandra 2 towing 12 6000…2007-09-13
- Seismic survey in progress until 31 oct by M/V ramform victory and M/V seagood cassandra 2 towing 12 6000…2007-08-07
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
Worldwide in the collected sources
23 cable & pipeline work listed in force · see all
Record snapshot 2026-10-03 18:15Z; source collection times vary.
Cable ops
Cable laying, pipeline and seismic operations. All current cable & pipeline work →
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.