Surveys
Survey operations until further notice by M/V ramform hyperion towing 12 6000 meter long cables in area…
North Sea · Scotland · HYDROLANT 1011/21
- issued
- 2021-04-13 19:34Z
- status
- cancelled 2021-05-15 00:31Z (archive)
- authority
- NAVAREA I 45/21 131921Z APR 21.
- sea
- North Sea
- position
- 56.775, 0.713
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH SEA. SCOTLAND. DNC 20. SURVEY OPERATIONS UNTIL FURTHER NOTICE BY M/V RAMFORM HYPERION TOWING 12 6000 METER LONG CABLES IN AREA BOUND BY 56-55.9N 000-30.1E, 56-55.9N 000-55.4E, 56-37.1N 000-55.6E, 56-37.1N 000-30.1E. SEVEN MILE BERTH REQUESTED.
This area · survey operations
185 within 180 nm since 1999 · 2 in the last 12 months · 2 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 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
- Survey operations in progress until further notice by M/V ramform atlas towing 14 6000 meter long cables in…2023-09-04
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 1011/21 and this msg, operations completedcancelled by · 2021-05-15
Nearby now · within 120 nm
Nothing else in force within 120 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.