Surveys

Navigation prohibited 10 thru 30 jun in area within one mile of 45-06.2N 033-18.6E due to diving operations

Black Sea · HYDROLANT 1741/19

What this record establishes

Archived notice · 2019-07-01 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 658/19 081142Z JUN 19.. Issued 2019-06-08 15:51Z. 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: Black Sea. The parsed report position is 45.103, 33.310 with a 1.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Black Sea →

issued: 2019-06-08 15:51Z
status: Archived notice
authority: NAVAREA III 658/19 081142Z JUN 19.
NAVAREA: NAVAREA III · named as the source of this relay
sea: Black Sea
position: 45.103, 33.310 · r 1.0 nm
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BLACK SEA.
UKRAINE.
DNC 10.
1. NAVIGATION PROHIBITED 10 THRU 30 JUN
   IN AREA WITHIN ONE MILE OF 45-06.2N 033-18.6E
   DUE TO DIVING OPERATIONS.
2. CANCEL THIS MSG 01 JUL 19.

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.
Navigation prohibited: Ships may not enter or pass through the area, or a port is closed to traffic.
Within a radius of: A circular area — every position within a stated distance of a point.
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.
Underwater operations: Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
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

186 within 180 nm since 2001 · 12 in the last 12 months · 5 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

Due to mine danger navigation prohibited untill further notice in area bounded by: a 46-04.0N 033-12.8E…Mines · 63.6 nm
Mining operations in progress until further notice in areas bound by: a. 46-04.0N 033-12.8E, 46-03.1N…Mines · 63.6 nm
Hazardous operations in progress until further notice in area bound by 45-05N 033-33E, 45-59N 033-51E,…Exercises · 83.8 nm
War risk area, in northwestern part of black sea to northern of line 45-12.2N 029-41.1E 45-11.5N 029-41.4E…War risk · 104.3 nm

Worldwide in the collected sources

56 survey operations listed in force · see all

Record snapshot 2026-10-03 11:54Z; 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.