Mines

Unexploded mine reported in 57-42.8N 003-46.8W

North Sea · HYDROLANT 966/99

What this record establishes

Archived notice · 2000-09-14 09:40Z

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). Issued 1999-05-12 10:55Z. 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: North Sea. The parsed report position is 57.713, -3.780. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the North Sea →

issued: 1999-05-12 10:55Z
status: Archived notice
sea: North Sea
position: 57.713, -3.780
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

CHART 35101 (6TH ED).
UNEXPLODED MINE REPORTED IN 57-42.8N 003-46.8W.

Reading this warning

Chart reference: The number of the nautical chart on which the reported position lies.
Unexploded ordnance: Bombs, shells, mines or torpedoes found on the seabed or washed up, and the operations to remove or destroy them.
Mines and mine danger areas: Sea mines reported adrift or found, and areas where mines are known or suspected to remain.
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.

All warning terms →

Collected reports in this area · mine warnings

8 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.

Possible mine adrift in 56-35.9N 001-56.5W at 101010Z jun2016-06-10
Possible mine adrift in 56-15.18N 001-49.98W at 080722Z jun2016-06-08
Possible mine adrift in 56-07.3N 001-54.4W at 220545Z may2003-05-22
Possible mine adrift vicinity 56-14.4N 005-49.0W at 311119Z jan2003-01-31
Mine adrift vicinity 55-51.0N 005-43.6W at 141049Z mar2001-03-14
Mine adrift vicinity 60-29N 002-58W at 071318Z aug1999-08-07

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

8 mine warnings listed in force · see all

Record snapshot 2026-10-02 21:55Z; source collection times vary.

Mines

Drifting or reported sea mines. Mostly the Black Sea since 2022. All current mine warnings →

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.