Naval operations occur daily from 0500Z to 1200Z on August 13-15 in an area near 44-12N 028-40E, Black Sea, Romania.
Black Sea · HYDROLANT 1530/26
What this record establishes
Cancelled notice · 2026-08-21 15:40Z
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 2026-08-04 09:36Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-23 11:02Z. 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.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2026-08-13 05:00Z | 2026-08-13 12:00Z | — | 7 h |
| 2026-08-14 05:00Z | 2026-08-14 12:00Z | — | 7 h |
| 2026-08-15 05:00Z | 2026-08-15 12:00Z | — | 7 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2026-08-04 09:36Z
- status
- Cancelled notice
- self-cancels
- 2026-08-15 13:00Z
- sea
- Black Sea
- position
- 44.178, 28.711
- nearest port
- Tulcea · 61 nm
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z
Original warning text
BLACK SEA. ROMANIA. 1. NAVAL OPERATIONS 0500Z TO 1200Z DAILY 13 THRU 15 AUG IN AREA BOUND BY 44-12.00N 028-40.00E, 44-12.00N 028-46.00E, 44-10.50N 028-46.00E, 44-10.50N 028-44.00E, 44-09.00N 028-44.00E, 44-09.00N 028-41.00E, 44-09.50N 028-40.00E. 2. CANCEL THIS MSG 151300Z AUG 26.
Reading this warning
- 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.
Collected reports in this area · other warnings
38 within 180 nm since 2003 · 2 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.
- Maritime exercises 070500Z to 072059Z, 0500Z to 1500Z and 1600Z to 2059Z daily 08 and 09 sep in area bound…2026-09-01
- Naval operations 14 thru 17 may in area bound by 44-05.90N 028-56.10E, 44-05.90N 028-54.65E, 44-05.00N…2024-05-09
- Ukrainian coastal warning coordinator has declared the following coastal aproach instructions for entry or…2024-04-02
- The black sea grain initiative jcc has established a route for vessels inbound and outbound of ukrainian ports2023-03-19
- The black sea grain initiative jcc has established a route for vessels inbound and outbound of ukrainian ports2022-11-19
- The black sea grain initiative jcc has established a route for vessels inbound and outbound of ukrainian ports2022-08-25
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 · 2.6 nm
- Due to the presence of mines, all vessels approaching and departing romanian ports are encouraged to use the…Mines · 23.2 nm
- Hazardous operations 0700Z to 1500Z daily 30 sep and 01 oct in area bound by 44-05.00N 029-08.00E, 44-15.00N…Exercises · 26.1 nm
- 1- neptun alpha production platform has been established at the central coordinate point: 44-02.85N 030-35.25EStructures · 81.3 nm
- Mines reported in area within five miles of 45-07.10N 030-09.70EMines · 83.8 nm
- Object adrift in vicinity 43-55.10N 030-37.65E at 250923Z sepDebris · 84.2 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 · 85.7 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 · 109.9 nm
Worldwide in the collected sources
23 other warnings listed in force · see all
Record snapshot 2026-09-28 02:25Z; source collection times vary.
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.