Surveys
Survey operations in progress until further notice by M/V ramform vanguard towing 12 10500 meter long cables…
North Sea · HYDROLANT 1804/21
- issued
- 2021-07-08 20:06Z
- status
- cancelled 2021-07-24 04:18Z (archive)
- cancels
- HYDROLANT 1751/21
- authority
- NAVAREA I 128/21 081941Z JUL 21.
- sea
- North Sea
- position
- 59.252, 1.664
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH SEA. DNC 20. 1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V RAMFORM VANGUARD TOWING 12 10500 METER LONG CABLES IN AREA BOUND BY 59-30N 002-05E, 58-55N 001-41E, 59-00N 001-15E, 59-35N 001-38E. SEVEN MILE BERTH REQUESTED. 2. CANCEL HYDROLANT 1751/21.
This area · survey operations
160 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
- Survey operations in progress until further notice by M/V ramform vanguard towing 12 10500 meter long cables…cancels · 2021-07-03
- Survey operations in progress until further notice by M/V ramform vanguard towing 12 10500 meter long cables…replaced · 2021-07-03
- Cancel HYDROLANT 1804/21 and this msg, operations completedcancelled by · 2021-07-24
Nearby now · within 120 nm
- Survey operations in progress until further notice by M/V ramform hyperion towing ten 2740 meter long cablesSurveys · 20.9 nm
- Survey operations in progress until further notice by M/V amazon conqueror towing eight 1609 meter long…Surveys · 32.8 nm
- Survey operations in progress until further notice by M/V ramform atlas towing 17 3600 meter long cables in…Surveys · 114.8 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.