Navigation prohibited until further notice in area bound by 44-11.974N 028-43.991E, 44-11.972N 028-45.744E,…
Black Sea · HYDROLANT 452/21
What this record establishes
Archived notice · 2021-03-04 12:20Z
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 141/21 161333Z FEB 21.. Issued 2021-02-16 15:18Z. 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 map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROLANT 452/21 and this msglater cancellation notice
- issued
- 2021-02-16 15:18Z
- status
- Archived notice
- authority
- NAVAREA III 141/21 161333Z FEB 21.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Black Sea
- position
- 44.190, 28.750
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BLACK SEA. ROMANIA. DNC 10. NAVIGATION PROHIBITED UNTIL FURTHER NOTICE IN AREA BOUND BY 44-11.974N 028-43.991E, 44-11.972N 028-45.744E, 44-10.864N 028-46.190E, 44-10.871N 028-43.982E.
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.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- 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.
Collected reports in this area · restricted areas & port closures
11 within 180 nm since 2008 · 1 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.
- Navigation prohibited 05 thru 10 oct in area within one mile of 44-53.30N 029-42.70E2026-09-28
- Navigation prohibited 060400Z to 100400Z jul in area bound by 44-12.00N 028-39.49E, 44-12.00N 028-40.40E,…2023-07-04
- Navigation prohibited until 292100Z oct in area bound by 42-39N 031-14E, 44-08N 032-38E, 43-54N 033-24E,…2019-10-28
- Navigation prohibited 04 thru 07 jul in area bound by 44-12.0N 028-39.5E, 44-12.0N 028-42.3E, 44-11.8N…2019-07-02
- Mine in 44-07.05N 028-59.93E2018-02-26
- Navigation prohibited 07 thru 10 jul in area bound by 44-12.0N 028-39.5E, 44-12.0N 028-42.3E, 44-11.8N…2017-07-06
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 · 4.3 nm
- Due to the presence of mines, all vessels approaching and departing romanian ports are encouraged to use the…Mines · 21.4 nm
- 1- neptun alpha production platform has been established at the central coordinate point: 44-02.85N 030-35.25EStructures · 79.7 nm
- Mines reported in area within five miles of 45-07.10N 030-09.70EMines · 82.1 nm
- Object adrift in vicinity 43-55.10N 030-37.65E at 250923Z sepDebris · 82.7 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 · 84.1 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 · 108.1 nm
Worldwide in the collected sources
2 restricted areas & port closures listed in force · see all
Record snapshot 2026-10-02 06:14Z; source collection times vary.
Restricted
Navigation prohibited, exclusion and security zones, ports closed to traffic. All current restricted areas & port closures →
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.