Surveys
Underwater operations in progress until further notice by M/V well servicer between 57-01.9N 001-57.4E and…
HYDROLANT 2173/99
- issued
- 1999-10-11 10:25Z
- status
- cancelled 1999-11-03 16:48Z (archive)
- authority
- WZ 1828/99 110951Z OCT 99
- sea
- North Sea
- position
- 57.023, 1.896
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V WELL SERVICER BETWEEN 57-01.9N 001-57.4E AND 57-00.8N 001-50.1E. WIDE BERTH REQUESTED.
This area · survey operations
186 within 180 nm since 1999 · 3 in the last 12 months · 1 in force now
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26
- Survey operations in progress until further notice by M/V amazon conqueror towing eight one mile long cables…2026-08-15
- Survey operations in progress until further notice by M/V ramform hyperion towing ten 2740 meter long cables2026-08-03
- Survey operations in progress until further notice by M/V amazon conqueror towing eight 1609 meter long…2026-07-31
- Survey operations in progress until 25 may by M/V ramform tethys towing 12 8000 meter long cables in area…2024-04-22
- Survey operations in progress until further notice by M/V ramform atlas towing 14 6000 meter long cables in…2023-09-27
- Survey operations in progress until further notice by M/V kommandor towing 1300 meter long cables in area…2023-09-17
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 2173/99 and this msg, operations completedcancelled by · 1999-11-03
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.