Hazardous operations
Ionian Sea · HYDROLANT 1386/11
What this record establishes
Archived notice · 2011-09-30 08:00Z
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 344/11 011149Z SEP 11.. Issued 2011-09-01 13:30Z. 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
- Ionian 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.
- issued
- 2011-09-01 13:30Z
- status
- Archived notice
- self-cancels
- 2011-09-30 08:00Z
- authority
- NAVAREA III 344/11 011149Z SEP 11.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Ionian Sea
- position
- 37.570, 20.397
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN MEDITERRANEAN SEA. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 0500Z TO 0630Z AND 1200Z TO 1300Z DAILY 01, 05 THRU 08, 12 THRU 15, 19 THRU 22, 26 THRU 29 AND 0600Z TO 0700Z DAILY 02, 09, 16, 23 AND 30 SEP IN AREA BOUND BY 37-12N 020-18E, 37-56N 020-00E, 37-56N 020-28E, 37-15N 020-49E. 2. CANCEL THIS MSG 300800Z SEP.
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.
- 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
433 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 sunrise to sunset monday, sunrise to 2100Z tuesday thru thursday and sunrise to 1000Z…2023-01-02
- Hazardous operations 0500Z to 2100Z daily monday thru thursday and 0500Z to 1300Z fridays 01 jan thru 31 dec…2022-01-04
- Hazardous operations in progress 0500Z to 1300Z daily until 31 dec except saturdays, sundays and holidays in…2022-01-03
- Hazardous operations sunrise to sunset monday, sunrise to 2100Z tuesday thru thursday and sunrise to 1000Z…2022-01-03
- Hazardous operations 131500Z to 131800Z jul in area within 15 miles of 35-13N 022-33E2021-07-12
- Hazardous operations 0500Z to 1200Z daily 04, 05, 06, 10, 11, 17, 18, 20 may, 07, 08, 09, 10 and 14 jun in…2021-05-03
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 2026-10-02 16:20Z; 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.