Surveys
Underwater operations in progress until further notice by M/V terschelling with submersible within 1000…
HYDROLANT 1212/01
- issued
- 2001-04-21 23:45Z
- status
- cancelled 2001-05-08 18:55Z (archive)
- authority
- WZ 902/01 212116Z APR 01
- sea
- Inner Seas off the West Coast of Scotland
- position
- 54.712, -5.720 · r 0.5 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V TERSCHELLING WITH SUBMERSIBLE WITHIN 1000 METERS OF 54-42.7N 005-43.2W MARKED BY UNLIT BUOYS. WIDE BERTH REQUESTED.
This area · survey operations
278 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until further notice by M/V sw amundsen towing seven 2200 meter long cables in…2024-04-18
- Survey operations in progress until 20 jul by M/V celtic explorer in vicinity of trackline joining 47-30.00N…2023-06-14
- Survey operations in progress until further notice by M/V sw bly towing four 2300 meter long cables, marked…2022-05-08
- Survey operations in progress until further notice by M/V sw bly towing four 2300 meter long cables, marked…2022-04-17
- Survey operations in progress until further notice by S/V ocean resolution in area bound by 54-05.6N…2021-08-26
- Survey operations in progress until further notice by M/V ocean resolution in area bound by 54-05.6N…2021-08-02
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 1212/01 and this msg, operations completedcancelled by · 2001-05-08
Nearby now · within 120 nm
- Mew island light 54-41.90N 005-30.80W unreliableNav aids · 7.2 nm
- Mf dsc service off air at tiree 56-30.20N 006-57.80WNav aids · 115.5 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.