Surveys

Underwater operations in progress until further notice by M/V geoholm with submersible vicinity 51-51.4N…

Southern North Sea · HYDROLANT 2651/12

issued
2012-11-09 12:07Z
status
cancelled 2012-11-09 16:19Z (archive)
cancels
HYDROLANT 2631/12
authority
WZ 1441/12 091045Z NOV 12.
sea
North Sea
position
51.857, 2.408
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTHERN NORTH SEA.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V GEOHOLM WITH SUBMERSIBLE
   VICINITY 51-51.4N 002-24.5E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2631/12.

This area · survey operations

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

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Season · when survey operations happen here

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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

84 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.