Surveys
Survey operations in progress until further notice by M/V ramform vanguard towing 12 8100 meter long cables…
North Sea · HYDROLANT 1974/17
- issued
- 2017-06-27 06:31Z
- status
- cancelled 2017-09-11 05:36Z (archive)
- cancels
- HYDROLANT 1918/17
- authority
- NAVAREA I 87/17 270555Z JUN 17.
- sea
- North Sea
- position
- 57.675, 2.073
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH SEA. DNC 20, DNC 21. 1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V RAMFORM VANGUARD TOWING 12 8100 METER LONG CABLES IN AREA BOUND BY 58-15N 002-54E, 57-44N 003-24E, 57-20N 002-15E, 57-03N 001-16E, 57-23N 001-00E, 57-46N 000-57E, 58-01N 001-51E. SEVEN MILE BERTH REQUESTED. 2. CANCEL HYDROLANT 1918/17.
This area · survey operations
165 within 180 nm since 1999 · 3 in the last 12 months · 1 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 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
- Survey operations in progress until further notice by M/V ramform vanguard towing 12 8100 meter long cables…cancels · 2017-06-21
- Survey operations in progress until further notice by M/V ramform vanguard towing 12 8100 meter long cables…replaced · 2017-06-21
- Cancel HYDROLANT 1974/17 and this msg, operations completedcancelled by · 2017-09-11
Nearby now · within 120 nm
Worldwide now
83 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.