Exercises
Hazardous operations 051100Z to 051400Z, 060900Z to 061400Z, 070900Z to 071500Z, 100900Z to 101400Z, 110900Z…
Black Sea · HYDROLANT 2813/18
What this record establishes
Archived notice · 2018-09-05 12:22Z
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 707/18 041209Z SEP 18.. Issued 2018-09-04 12:15Z. 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 1390/13, 22/18, 23/18, 541/18, 1095/18, 1795/18, 1823/18, 2813/18later cancellation notice
Activity windows · 8 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-09-05 11:00Z | 2018-09-05 14:00Z | — | 3 h |
| 2018-09-06 09:00Z | 2018-09-06 14:00Z | — | 5 h |
| 2018-09-07 09:00Z | 2018-09-07 15:00Z | — | 6 h |
| 2018-09-10 09:00Z | 2018-09-10 14:00Z | — | 5 h |
| 2018-09-11 09:00Z | 2018-09-11 14:00Z | — | 5 h |
| 2018-09-11 18:00Z | 2018-09-11 23:00Z | — | 5 h |
| 2018-09-12 09:00Z | 2018-09-12 23:00Z | — | 14 h |
| 2018-09-13 09:00Z | 2018-09-13 19:00Z | — | 10 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2018-09-04 12:15Z
- status
- Archived notice
- self-cancels
- 2018-09-13 20:00Z
- authority
- NAVAREA III 707/18 041209Z SEP 18.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Black Sea
- position
- 44.368, 28.882
- 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. 1. HAZARDOUS OPERATIONS 051100Z TO 051400Z, 060900Z TO 061400Z, 070900Z TO 071500Z, 100900Z TO 101400Z, 110900Z TO 111400Z, 111800Z TO 112300Z, 120900Z TO 122300Z, AND 130900Z TO 131900Z SEP IN AREA BOUND BY 44-25.4N 028-42.5E, 44-29.5N 028-55.6E, 44-25.1N 029-01.2E, 44-19.7N 029-00.8E, 44-14.6N 028-57.9E, 44-13.1N 028-56.3E, 44-22.1N 028-42.4E. 2. CANCEL THIS MSG 132000Z SEP 18.
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.
- 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.
- 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
971 within 180 nm since 1999 · 5 in the last 12 months · 1 listed in force now
99
00
05
10
15
20
25
26
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 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
- Hazardous operations 0600Z to 1100Z daily 01 thru 03 sep in area bound by 43-55.00N 028-51.00E, 43-55.00N…2026-08-26
- Hazardous operations 0600Z to 1200Z daily 18, 24, 25 and 28 aug and 0600Z to 1400Z daily 19 thru 21, 26 and…2026-08-11
- Hazardous operations 030500Z to 031400Z oct in area bound by 44-25.44N 028-42.50E, 44-29.50N 028-55.59E,…2024-09-30
Month of issue in the collected archive
J
F
M
A
M
J
J
A
S
O
N
D
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 · 16.2 nm
- Due to the presence of mines, all vessels approaching and departing romanian ports are encouraged to use the…Mines · 16.8 nm
- Mines reported in area within five miles of 45-07.10N 030-09.70EMines · 70.8 nm
- 1- neptun alpha production platform has been established at the central coordinate point: 44-02.85N 030-35.25EStructures · 75.9 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 · 81.1 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 · 97.5 nm
- Ukrainian coastal warning coordinator has declared the following coastal aproach instructions for entry or…Other · 109 nm
- Mining operations in progress until further notice in areas bound by: a. 46-22.50N 030-45.10E, 46-20.20N…Mines · 109.2 nm
- The coordinator of coastal alerts of ukraine has declared the following coastal approach instructions for…War risk · 109.4 nm
Worldwide in the collected sources
17 military exercises listed in force · see all
Record snapshot 2026-09-25 01:06Z; 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.