Surveys
Underwater operations in progress until 24 jan by M/V sd northern river with submersible in area bound by…
North Channel · Sea of Hebrides · Scotland · HYDROLANT 172/18
- issued
- 2018-01-15 11:06Z
- status
- cancelled 2018-01-22 19:36Z (archive)
- authority
- WZ 55/18 151040Z JAN 18.
- position
- 55.374, -5.285
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH CHANNEL. SEA OF HEBRIDES. SCOTLAND. DNC 20. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 24 JAN BY M/V SD NORTHERN RIVER WITH SUBMERSIBLE IN AREA BOUND BY 55-47N 005-22W, 55-47N 004-52W, 55-26N 004-43W, 55-03N 005-02W, 54-55N 005-28W, 55-16N 005-57W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 25 JAN 18.
This area · survey operations
266 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 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
- Survey operations in progress until further notice by M/V ocean resolution in area bound by 54-05.6N…2021-07-27
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 172/18 and this msg, operations completedcancelled by · 2018-01-22
Nearby now · within 120 nm
- Mew island light 54-41.90N 005-30.80W unreliableNav aids · 41.3 nm
- Mf dsc service from tiree site 56-30.2N 006-57.8W off airNav aids · 88.2 nm
- Mf dsc service off air at tiree 56-30.20N 006-57.80WNav aids · 88.2 nm
- Walney extension wind farmNav aids · 89.3 nm
- Neart na gaoithe wind farmOther · 117.3 nm
Worldwide now
75 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.