Ordnance

Ordnance

North Sea · HYDROLANT 479/12

What this record establishes

Archived notice · 2012-05-26 09:18Z

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) · WZ 334/12 021025Z MAR 12.. Issued 2012-03-02 13:42Z. 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 52.389, 2.823. 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: 2012-03-02 13:42Z
status: Archived notice
authority: WZ 334/12 021025Z MAR 12.
issued by: WZ
sea: North Sea
position: 52.389, 2.823
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SOUTHERN NORTH SEA.
ORDNANCE.
CHART 37055
UNEXPLODED ORDNANCE VICINITY 52-23.32N 002-49.38E.

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.
Chart reference: The number of the nautical chart on which the reported position lies.
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 · ordnance operations

202 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.

Unexploded ordnance in: a. 54-52.04N 001-42.22E2022-12-13
Unexploded ordnance in: a. 54-52.04N 001-42.22E2022-11-01
Unexploded ordnance in: a. 54-52.04N 001-42.22E2022-09-20
Unexploded ordnance in: a. 55-04.38N 001-31.43E2022-08-09
Unexploded ordnance in: a. 52-25.1N 002-02.1E2022-02-03
Unexploded ordnance in: a. 52-25.1N 002-02.1E2021-11-11

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 2026-10-02 01:33Z; source collection times vary.

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.