Hazardous operations are scheduled from 0700 UTC to 1500 UTC on 1 October in a Black Sea area off Romania between 44-05N and 44-15N, 029-08E and 029-30E.
Black Sea · HYDROLANT 1930/26
What this record establishes
Cancelled notice · 2026-09-29 13:30Z
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 2026-09-29 09:01Z. First collected 2026-09-29 16:32Z; last seen in collection 2026-10-01 01:17Z. 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
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2026-10-01 07:00Z | 2026-10-01 15:00Z | — | 8 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2026-09-29 09:01Z
- status
- Cancelled notice
- self-cancels
- 2026-10-01 16:00Z
- sea
- Black Sea
- position
- 44.167, 29.317
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-29 16:32Z
Original warning text
BLACK SEA. ROMANIA. 1. HAZARDOUS OPERATIONS 010700Z TO 011500Z OCT IN AREA BOUND BY 44-05.00N 029-08.00E, 44-15.00N 029-08.00E, 44-15.00N 029-30.00E, 44-05.00N 029-30.00E. 2. CANCEL HYDROLANT 1896/26 AND 1921/26. 3. CANCEL THIS MSG 011600Z 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.
- 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.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROLANT
- The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · military exercises
1202 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.
- Hazardous operations 0600Z to 1500Z daily 05 and 06 oct in area bound by 44-25.43N 028-42.50E, 44-27.60N…2026-09-30
- Hazardous operations 0500Z to 1300Z daily 29 and 30 sep in area bound by 44-25.43N 028-42.50E, 44-29.50N…2026-09-28
- Hazardous operations 0700Z to 1500Z daily 30 sep and 01 oct in area bound by 44-05.00N 029-08.00E, 44-15.00N…2026-09-22
- Hazardous operations 0600Z to 1200Z daily 22 thru 25 and 28 sep in area bound by 44-25.43N 028-42.50E,…2026-09-17
- Hazardous operations 0600Z to 1300Z daily 14 thru 16 sep in area bound by 44-25.43N 028-42.50E, 44-29.50N…2026-09-10
- Hazardous operations: a. 0600Z to 1800Z daily 01 and 02 sep in areas bound by 44-25.43N 028-42.50E,…2026-08-26
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 · 6.1 nm
- Fog signal at constanta outer harbor light 44-08.61N 028-40.37E inoperativeNav aids · 27.8 nm
- 1- neptun alpha production platform has been established at the central coordinate point: 44-02.85N 030-35.25EStructures · 55.3 nm
- Object adrift in vicinity 43-55.10N 030-37.65E at 250923Z sepDebris · 58.5 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 · 59.9 nm
- Mines reported in area within five miles of 45-07.10N 030-09.70EMines · 67.6 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 · 90 nm
- The coordinator of coastal alerts of ukraine has declared the following coastal approach instructions for…War risk · 109 nm
- Ukrainian coastal warning coordinator has declared the following coastal aproach instructions for entry or…Other · 109.6 nm
- Mining operations in progress until further notice in areas bound by: a. 46-22.50N 030-45.10E, 46-20.20N…Mines · 111.7 nm
- Drilling operations by yavuz rig (imo 9503768, mmsi 271046765) supported by osman bey, aybuke, florya,…Surveys · 113.5 nm
- 1- drilling operations by yildirim rig (imo 9705469, mmsi 271053959), supported by ertugrul bey, aybuke,…Surveys · 115.9 nm
Worldwide in the collected sources
28 military exercises listed in force · see all
Record snapshot 2026-10-01 01:31Z; 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.