Surveys

Underwater operations in progress until further notice by M/V sovereign in vicinity of 52-21.1N 002-49.2E

North Sea · England · HYDROLANT 3418/18

issued
2018-11-02 20:15Z
status
cancelled 2018-11-07 00:34Z (archive)
authority
WZ 1158/18 021700Z NOV 18.
sea
North Sea
position
52.352, 2.820
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
ENGLAND.
DNC 20.
UNDERWATER OPERATIONS IN PROGRESS UNTIL
FURTHER NOTICE BY M/V SOVEREIGN IN VICINITY
OF 52-21.1N 002-49.2E. WIDE BERTH REQUESTED.

This area · survey operations

480 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now

97
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23

Season · when survey operations happen here

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M
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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

86 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey 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.