Exercises

Hazardous operations are scheduled in the Black Sea off Romania from 0600 to 1500 UTC daily on 5 and 6 October.

Black Sea · HYDROLANT 1941/26

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 14:01Z. 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 14:01Z
status: Cancelled notice
self-cancels: 2026-10-06 16:00Z
sea: Black Sea
position: 44.394, 28.766
source: NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-30 16:02Z

Original warning text

BLACK SEA.
ROMANIA.
1. HAZARDOUS OPERATIONS 0600Z TO 1500Z
   DAILY 05 AND 06 OCT IN AREA BOUND BY
   44-25.43N 028-42.50E, 44-27.60N 028-50.00E,
   44-19.00N 028-47.00E, 44-22.08N 028-42.42E.
2. CANCEL THIS MSG 061600Z OCT 26.

Reading this warning

Hazardous operations: NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
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 · military exercises

953 within 180 nm since 1999 · 9 in the last 12 months · 1 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

Fog signal at constanta outer harbor light 44-08.61N 028-40.37E inoperativeNav aids · 15.5 nm
Due to the presence of mines, all vessels approaching and departing romanian ports are encouraged to use the…Mines · 22 nm
Mines reported in area within five miles of 45-07.10N 030-09.70EMines · 73.7 nm
1- neptun alpha production platform has been established at the central coordinate point: 44-02.85N 030-35.25EStructures · 81.1 nm
Object adrift in vicinity 43-55.10N 030-37.65E at 250923Z sepDebris · 85.1 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 · 86.3 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 · 101 nm
Mining operations in progress until further notice in areas bound by: a. 46-22.50N 030-45.10E, 46-20.20N…Mines · 110.7 nm
Ukrainian coastal warning coordinator has declared the following coastal aproach instructions for entry or…Other · 110.8 nm
The coordinator of coastal alerts of ukraine has declared the following coastal approach instructions for…War risk · 111.4 nm

Worldwide in the collected sources

30 military exercises listed in force · see all

Record snapshot 2026-09-30 21:46Z; source collection times vary.

Exercises

Gunnery, firing and naval exercise areas. All current military exercises →

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.