Survey operations 27 sep until 15 nov by M/V hai yang shi you 720 towing 12 6000 meter long cables in area…
Kara Sea · HYDROARC 297/17
What this record establishes
Archived notice · 2017-11-16 00:01Z
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) · RUSSIA COASTAL WARNING WEST 112/17 260700Z SEP 17.. Issued 2017-09-26 08:13Z. 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
- Kara 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.
Related notices and cancellation links
- issued
- 2017-09-26 08:13Z
- status
- Archived notice
- authority
- RUSSIA COASTAL WARNING WEST 112/17 260700Z SEP 17.
- issued by
- RUSSIA COASTAL WARNING WEST
- sea
- Kara Sea
- position
- 73.627, 60.637
- vessel
- M/V HAI YANG SHI YOU 720 · 78 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
KARA SEA. RUSSIA. DNC 22. 1. SURVEY OPERATIONS 27 SEP UNTIL 15 NOV BY M/V HAI YANG SHI YOU 720 TOWING 12 6000 METER LONG CABLES IN AREA BOUND BY 73-42.73N 060-02.71E, 73-54.06N 061-21.50E, 73-48.96N 061-43.64E, 73-18.98N 060-17.62E, 73-26.21N 059-45.51E. NINE MILE BERTH REQUESTED. 2. CANCEL HYDROARC 132/17. 3. CANCEL THIS MSG 16 NOV 17.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROARC
- The U.S. long-range warning series for the Arctic Ocean.
- 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
48 within 180 nm since 2012 · 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 in progress until 22 aug by M/V gasshelf in area bound by 74-28.10N 068-17.20E, 74-11.00N…2023-07-20
- Scientific mooring, five meters below surface, established in 71-17.69N 065-10.54E2022-08-29
- Survey operations 24 aug until further notice by M/V akvamarin in areas bound by: a. 73-34.40N 064-29.30E,…2022-08-19
- Survey operations 23 aug thru 28 oct by M/V academic primakov towing ten 6500 meter long cables in area…2022-08-18
- Scientific mooring, least depth 5 meters, established in 72-18.54N 067-21.28E2022-08-16
- Sub-surface scientific mooring, at depth 95 meters, established until further notice in 73-15.78N 065-32.05E2022-07-25
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 2026-10-02 21:57Z; 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.