Surveys
Underwater operations 220800Z to 241800Z nov by M/V sd northern river with submersible in area bound by…
North Channel · Scotland-southwest Coast · HYDROLANT 3112/16
- issued
- 2016-11-22 01:41Z
- status
- cancelled 2016-11-24 19:00Z (archive)
- self-cancels
- 2016-11-24 19:00Z
- authority
- WZ 1355/16 220055Z NOV 16.
- sea
- Inner Seas off the West Coast of Scotland
- position
- 55.570, -5.024
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH CHANNEL. SCOTLAND-SOUTHWEST COAST. DNC 20. 1. UNDERWATER OPERATIONS 220800Z TO 241800Z NOV BY M/V SD NORTHERN RIVER WITH SUBMERSIBLE IN AREA BOUND BY 55-37N 004-55W, 55-37N 005-08W, 55-35N 005-10W, 55-31N 005-04W, 55-31N 004-55W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 241900Z NOV 16.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2016-11-22 08:00Z | 2016-11-24 18:00Z | — | 58 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · survey operations
274 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 12 5000 meter long cables in area…2022-09-04
- Survey operations in progress until further notice by M/V sw bly towing 12 5000 meter long cables in area…2022-08-28
- Survey operations in progress until further notice by M/V sw bly towing 12 5000 meter long cables in area…2022-08-27
- 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
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Mew island light 54-41.90N 005-30.80W unreliableNav aids · 55 nm
- Mf dsc service off air at tiree 56-30.20N 006-57.80WNav aids · 85.8 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.