Mines

Possible mine adrift in 56-35.9N 001-56.5W at 101010Z jun

North Sea · HYDROLANT 1437/16

What this record establishes

Archived notice · 2016-06-13 20:39Z

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 728/16 101955Z JUN 16.. Issued 2016-06-10 20:39Z. 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 56.598, -1.942. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.

  1. HYDROLANT 1402/162016-06-08 · Archived notice
  2. HYDROLANT 1437/16 · this notice2016-06-10 · Archived notice
Compare all 2 notices, changes and original texts →

Current notices and reporting history in the North Sea →

issued
2016-06-10 20:39Z
status
Archived notice
self-cancels
2016-06-13 20:39Z
authority
WZ 728/16 101955Z JUN 16.
issued by
WZ
sea
North Sea
position
56.598, -1.942
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
SCOTLAND-EAST COAST.
ORDNANCE.
DNC 20.
1. POSSIBLE MINE ADRIFT IN
   56-35.9N 001-56.5W AT 101010Z JUN.
2. CANCEL HYDROLANT 1402/16.
3. CANCEL THIS MSG 132039Z JUN 16.

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.
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.
Mines and mine danger areas
Sea mines reported adrift or found, and areas where mines are known or suspected to remain.
Adrift
Loose and moving with wind and current — a vessel, container, buoy, log or anything else no longer secured.
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.
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.
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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · mine warnings

7 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
16

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.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

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 21:54Z; 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.