Surveys

Underwater operations in progress until 31 dec by M/V svyatoy pavel taganrogskiy and M/V typhoon within 1100…

Sea of Azov · HYDROLANT 2980/15

What this record establishes

Archived notice · 2016-01-01 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) · NAVAREA III 678/15 021203Z DEC 15.. Issued 2015-12-02 12:55Z. 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 Azov. 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 Sea of Azov →

issued: 2015-12-02 12:55Z
status: Archived notice
authority: NAVAREA III 678/15 021203Z DEC 15.
NAVAREA: NAVAREA III · named as the source of this relay
sea: Sea of Azov
position: 45.196, 36.503
vessels: M/V SVYATOY PAVEL TAGANROGSKIY · 3 messages M/V TYPHOON
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

KERCH STRAIT.
DNC 10.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 31 DEC
   BY M/V SVYATOY PAVEL TAGANROGSKIY AND M/V TYPHOON
   WITHIN 1100 METERS OF TRACKLINE JOINING
   45-12.15N 036-36.10E, 45-12.13N 036-35.79E,
   45-11.98N 036-35.19E, 45-11.83N 036-34.82E,
   45-11.76N 036-34.28E, 45-11.91N 036-32.25E,
   45-12.03N 036-31.47E, 45-12.16N 036-30.90E,
   45-12.20N 036-29.69E, 45-12.04N 036-28.68E,
   45-11.97N 036-28.44E, 45-11.29N 036-25.77E,
   45-11.18N 036-25.23E, 45-11.04N 036-24.27E.
2. CANCEL THIS MSG 01 JAN 16.

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.
Within a radius of: A circular area — every position within a stated distance of a point.
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.

All warning terms →

Collected reports in this area · survey operations

61 within 180 nm since 2002 · 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

55 survey operations listed in force · see all

Record snapshot 2026-10-02 09:59Z; 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.