Surveys
Underwater operations in progress until further notice by M/V toisa gryphon vicinity of trackline between…
HYDROLANT 1131/00
- issued
- 2000-03-31 08:10Z
- status
- cancelled 2000-04-01 08:30Z (archive)
- authority
- WZ 567/00 310731Z MAR 00
- sea
- North Sea
- position
- 59.650, -1.108
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V TOISA GRYPHON VICINITY OF TRACKLINE BETWEEN 59-29N 000-07W AND 59-49N 002-06W. WIDE BERTH REQUESTED.
This area · survey operations
148 within 180 nm since 1999 · 4 in the last 12 months · 2 in force now
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- 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 further notice by M/V ramform atlas towing 17 3600 meter long cables in…2026-07-03
- 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 1131/00 and this msg, operations completedcancelled by · 2000-04-01
Nearby now · 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.