Surveys
Survey operations in progress until further notice by M/V ramform vanguard towing 12 6500 meter long cables…
North Sea · HYDROLANT 1122/21
- issued
- 2021-04-23 08:20Z
- status
- cancelled 2021-05-01 02:25Z (archive)
- authority
- NAVAREA I 50/21 230635Z APR 21.
- sea
- North Sea
- position
- 59.347, 1.871
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH SEA. DNC 20. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V RAMFORM VANGUARD TOWING 12 6500 METER LONG CABLES IN AREA BOUND BY 59-30.4N 001-40.3E, 59-21.9N 002-12.9E, 59-11.1N 002-03.2E, 59-19.3N 001-33.9E, 59-22.4N 001-33.5E. FIVE MILE BERTH REQUESTED.
This area · survey operations
157 within 180 nm since 1999 · 3 in the last 12 months · 3 in force now
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- 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 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
Nearby now · within 120 nm
- Survey operations in progress until further notice by M/V ramform hyperion towing ten 2740 meter long cablesSurveys · 14.5 nm
- Survey operations in progress until further notice by M/V amazon conqueror towing eight 1609 meter long…Surveys · 38.8 nm
- Survey operations in progress until further notice by M/V ramform atlas towing 17 3600 meter long cables in…Surveys · 108.2 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.