Ordnance

Unexploded ordnance in area between 51-59.4N 51-59.9N and 001-25.9E 001-26.9E

North Sea · England · HYDROLANT 3091/18

What this record establishes

Archived notice · 2018-10-01 23:56Z

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 1063/18 011100Z OCT 18.. Issued 2018-10-01 11:21Z. 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 · England. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
issued
2018-10-01 11:21Z
status
Archived notice
authority
WZ 1063/18 011100Z OCT 18.
issued by
WZ
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
ENGLAND.
DNC 20.
CHART 37166.
1. UNEXPLODED ORDNANCE IN AREA BETWEEN
   51-59.4N 51-59.9N AND 001-25.9E 001-26.9E.
2. CANCEL HYDROLANT 2673/18.

Reading this warning

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.
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.
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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROLANT
The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.

All warning terms →

Nearby notices listed in force · within 120 nm

No parsed position is available for this comparison.

Worldwide in the collected sources

0 ordnance operations listed in force · see all

Record snapshot 2026-10-03 15:42Z; 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.