Hazardous operations
Adriatic Sea · HYDROLANT 1230/15
What this record establishes
Archived notice · 2015-05-21 14:24Z
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 282/15 191207Z MAY 15.. Issued 2015-05-19 15:09Z. 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
- Adriatic 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
- Hazardous operationslater cancellation notice
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-05-20 04:00Z | 2015-05-20 17:00Z | — | 13 h |
| 2015-05-21 04:00Z | 2015-05-21 17:00Z | — | 13 h |
| 2015-05-22 04:00Z | 2015-05-22 17:00Z | — | 13 h |
| 2015-05-23 04:00Z | 2015-05-23 17:00Z | — | 13 h |
| 2015-05-24 04:00Z | 2015-05-24 17:00Z | — | 13 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2015-05-19 15:09Z
- status
- Archived notice
- self-cancels
- 2015-05-24 18:00Z
- authority
- NAVAREA III 282/15 191207Z MAY 15.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Adriatic Sea
- position
- 43.539, 15.759
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ADRIATIC SEA. CROATIA. HAZARDOUS OPERATIONS. DNC 09. 1. HAZARDOUS OPERATIONS 0400Z TO 1700Z DAILY 20 THRU 24 MAY IN AREA BOUND BY 43-38.0N 015-50.4E, 43-33.3N 015-57.4E, 43-28.0N 015-56.4E, 43-27.0N 015-37.1E, 43-36.0N 015-33.1E, 43-38.3N 015-50.4E. 2. CANCEL THIS MSG 241800Z MAY 15.
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.
- 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.
- 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 · military exercises
126 within 180 nm since 1999 · 0 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.
- Hazardous operations 080700Z to 082100Z mar in area bound by 41-32.00N 018-31.00E, 41-27.00N 018-23.00E,…2023-03-04
- Hazardous operations 0700Z to 2100Z daily 11 thru 13 and 17 thru 19 feb in area bound by 41-32.00N…2023-02-07
- Hazardous operations 0700Z to 2100Z daily 11 thru 13 jan in area bound by 41-32.00N 018-31.00E, 41-27.00N…2023-01-07
- Hazardous operations 0700Z to 2100Z daily 13 and 14 dec in area bound by 41-32.00N 018-31.00E, 41-27.00N…2022-12-08
- Hazardous operations 250700Z to 252100Z nov in area bound by 41-32.00N 018-31.00E, 41-27.00N 018-23.00E,…2022-11-07
- Hazardous operations 100700Z to 112100Z nov in area bound by 41-32.00N 018-31.00E, 41-27.00N 018-23.00E,…2022-11-07
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
9 military exercises listed in force · see all
Record snapshot 2026-10-03 02:40Z; 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.