Underwater ordnance detonations 080500Z to 081200Z sep vicinity 55-51N 020-57E
Baltic Sea · HYDROLANT 1547/07
What this record establishes
Archived notice · 2007-09-08 13:00Z
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) · LITHUANIA 29/07 07 SEP 07.. Issued 2007-09-07 08:40Z. 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
- Baltic Sea. The parsed report position is 55.850, 20.950. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2007-09-08 05:00Z | 2007-09-08 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
- 2007-09-07 08:40Z
- status
- Archived notice
- self-cancels
- 2007-09-08 13:00Z
- authority
- LITHUANIA 29/07 07 SEP 07.
- issued by
- LITHUANIA
- sea
- Baltic Sea
- position
- 55.850, 20.950
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER ORDNANCE DETONATIONS 080500Z TO 081200Z SEP VICINITY 55-51N 020-57E. 2. CANCEL THIS MSG 081300Z SEP.
Reading this warning
- Unexploded ordnance
- Bombs, shells, mines or torpedoes found on the seabed or washed up, and the operations to remove or destroy them.
- 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.
- 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 · ordnance operations
6 within 180 nm since 2007 · 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.
- Ordnance disposal operations 160600Z to 180800Z apr in areas: a. bound by 55-38.0N 020-45.0E, 55-45.8N…2014-04-14
- Ordnance disposal operations 092100Z to 112100Z apr in area bound by 55-38.0N 020-45.0E, 55-48.0N 020-45.0E,…2014-04-08
- Ordnance disposal operations 262200Z to 282200Z mar in area bound by 55-38.0N 020-45.0E, 55-45.8N 020-50.0E,…2014-03-24
- Underwater ordnance detonations 0900Z to 1100Z daily 23 and 25 jul in area bound by 55-37N 020-46E, 55-34N…2013-07-19
- Ordnance clearing operations 060001Z to 142359Z may in areas bound by: a. 55-56N 021-04E, 55-22N 020-46E,…2008-04-30
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
0 ordnance operations listed in force · see all
Record snapshot 2026-09-28 23:22Z; source collection times vary.
Ordnance
Ordnance disposal, underwater detonations and unexploded ordnance. All current ordnance operations →
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.