Surveys

Underwater operations in progress until 30 jul by M/V kern, M/V ivan petrov, M/V granit and M/V nikolay…

Kara Sea · HYDROARC 127/23

What this record establishes

Archived notice · 2023-07-31 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 25/23 101711Z JUL 23.. Issued 2023-07-10 17:25Z. 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: 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.

Current notices and reporting history in the Kara Sea →

issued: 2023-07-10 17:25Z
status: Archived notice
self-cancels: 2023-07-31 00:01Z
authority: RUSSIA COASTAL WARNING WEST 25/23 101711Z JUL 23.
issued by: RUSSIA COASTAL WARNING WEST
sea: Kara Sea
position: 72.428, 73.832
vessels: M/V GRANIT · 9 messages M/V IVAN PETROV · 2 messages M/V KERN · 2 messages M/V NIKOLAY CHUDOTVORETS · 2 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. UNDERWATER OPERATIONS IN PROGRESS UNTIL 30 JUL
   BY M/V KERN, M/V IVAN PETROV, M/V GRANIT AND
   M/V NIKOLAY CHUDOTVORETS IN AREA BOUND BY
   72-41.65N 073-41.05E, 72-39.18N 073-45.00E,
   72-26.33N 073-49.60E, 72-25.01N 073-48.87E,
   72-09.83N 073-09.84E, 72-09.64N 073-10.68E,
   72-24.99N 073-50.59E, 72-26.34N 073-50.67E,
   72-39.27N 073-46.06E, 72-41.66N 073-42.24E.
2. CANCEL THIS MSG 310001Z JUL 23.

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.
Underwater operations: Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
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.
CANCEL THIS MSG: The warning's own expiry: a line telling the reader when the message cancels itself.
Date-time group (DTG): A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · survey operations

61 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.

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 21:03Z; 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.