Surveys
Underwater operations in progress until further notice by barge excalibur in 53-27.5N 003-32.3W
HYDROLANT 1771/09
- issued
- 2009-09-17 05:35Z
- status
- cancelled 2009-09-20 12:47Z (archive)
- cancels
- HYDROLANT 1736/09
- authority
- WZ 1074/09 161913Z SEP 09.
- sea
- Irish Sea and St. George's Channel
- position
- 53.458, -3.538
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY BARGE EXCALIBUR IN 53-27.5N 003-32.3W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1736/09.
This area · survey operations
478 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
- Underwater operations in progress until further notice by barge excalibur in 53-26.14N 003-37.24Wcancels · 2009-09-12
- Underwater operations in progress until further notice by barge excalibur in 53-26.14N 003-37.24Wreplaced · 2009-09-12
- Underwater operations in progress until further notice by barge excalibur in 53-28.8N 003-30.5Wcancelled by · 2009-09-20
Nearby now · within 120 nm
- Mew island light 54-41.90N 005-30.80W unreliableNav aids · 101.9 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.