Surveys

Survey work is under way in the Black Sea off Romania until 1 November by the vessel Kobi Ruegg, which asks ships to keep clear.

Black Sea · HYDROLANT 1942/26

What this record establishes

Cancelled notice · 2026-09-30 15:00Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates: NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-09-30 14:16Z. First collected 2026-09-30 16:02Z; last seen in collection 2026-09-30 21:32Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: Black 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 Black Sea →

issued: 2026-09-30 14:16Z
status: Cancelled notice
self-cancels: 2026-11-02 00:01Z
sea: Black Sea
position: 44.479, 29.273
source: NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-30 16:02Z

Original warning text

BLACK SEA.
ROMANIA.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 01 NOV
   BY M/V KOBI RUEGG IN AREA BOUND BY
   44-25.56N 028-47.44E, 44-28.53N 029-01.98E,
   44-31.27N 029-26.73E, 44-33.51N 029-26.60E,
   44-32.41N 029-38.51E, 44-28.53N 029-39.43E,
   44-28.46N 029-26.89E, 44-29.11N 029-26.85E,
   44-25.56N 029-02.25E, 44-23.91N 028-47.33E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 020001Z NOV 26.

Reading this warning

Survey operations: A research or survey vessel is mapping the seabed or water column, often while towing equipment.
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.
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

182 within 180 nm since 1999 · 13 in the last 12 months · 6 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 the presence of mines, all vessels approaching and departing romanian ports are encouraged to use the…Mines · 13.7 nm
Fog signal at constanta outer harbor light 44-08.61N 028-40.37E inoperativeNav aids · 32.7 nm
Mines reported in area within five miles of 45-07.10N 030-09.70EMines · 53.9 nm
1- neptun alpha production platform has been established at the central coordinate point: 44-02.85N 030-35.25EStructures · 62.2 nm
Object adrift in vicinity 43-55.10N 030-37.65E at 250923Z sepDebris · 67.3 nm
Underwater operations 05 jan 25 thru 31 dec 26 in area bound by 44-04.40N 030-34.13E, 44-02.40N 030-30.50E,…Surveys · 68.1 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 · 79.7 nm
The coordinator of coastal alerts of ukraine has declared the following coastal approach instructions for…War risk · 93.9 nm
Ukrainian coastal warning coordinator has declared the following coastal aproach instructions for entry or…Other · 94 nm
Mining operations in progress until further notice in areas bound by: a. 46-22.50N 030-45.10E, 46-20.20N…Mines · 95.2 nm

Worldwide in the collected sources

55 survey operations listed in force · see all

Record snapshot 2026-09-30 21:46Z; 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.