Surveys

Survey operations in progress until further notice by M/V geoholm with submersible along trackline joining…

Southern North Sea · HYDROLANT 3107/13

issued
2013-12-03 23:57Z
status
cancelled 2013-12-09 13:14Z (archive)
authority
WZ 1369/13 031730Z DEC 13.
sea
North Sea
position
51.693, 1.966
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTHERN NORTH SEA.
SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
NOTICE BY M/V GEOHOLM WITH SUBMERSIBLE
ALONG TRACKLINE JOINING
51-53.0N 002-30.9E, 51-49.3N 002-16.9E,
51-37.3N 001-44.8E, 51-29.4N 001-31.0E,
51-28.9N 001-25.7E.
WIDE BERTH REQUESTED.

This area · survey operations

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

97
00
05
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23

Season · when survey operations happen here

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F
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A
M
J
J
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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.