Surveys
Underwater operations in progress until further notice by M/V geoholm with submersible in area between…
Southern North Sea · HYDROLANT 2617/12
- issued
- 2012-11-05 15:42Z
- status
- cancelled 2012-11-06 12:27Z (archive)
- authority
- WZ 1417/12 051305Z NOV 12.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTHERN NORTH SEA. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V GEOHOLM WITH SUBMERSIBLE IN AREA BETWEEN 51-52.95N 51-44.67N AND 002-04.29E 002-32.63E. WIDE BERTH REQUESTED.
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.