Surveys
Underwater operations in progress until further notice by M/V englishman along trackline between 51-18N…
HYDROLANT 855/00
- issued
- 2000-03-08 10:40Z
- status
- cancelled 2000-03-12 14:40Z (archive)
- cancels
- HYDROLANT 845/00
- authority
- WZ 428/00 080856Z MAR 00
- sea
- Celtic Sea
- position
- 51.200, -5.300
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V ENGLISHMAN ALONG TRACKLINE BETWEEN 51-18N 005-28W AND 51-06N 005-08W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 845/00.
This area · survey operations
752 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
- Underwater operations 180800Z to 192200Z nov by M/V willchallenge in vicinity of 50-19.0N 004-14.7W2022-11-17
- Survey operations 15 sept thru 20 oct by M/V thlassa in vicinity of trackline joining 48-30.00N 006-00.00W,…2022-09-14
- Survey operations in progress until 10 sep by M/V laperouse and M/V borda along trackline joining 48-27.48N…2022-09-01
- Underwater operations in progress until further notice by unmanned submersible ALR4 in vicinity of trackline…2022-06-10
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 M/V englishman along trackline between 51-23N…cancels · 2000-03-07
- Underwater operations in progress until further notice by M/V englishman along trackline between 51-23N…replaced · 2000-03-07
- Cancel HYDROLANT 855/00 and this msg, operations completedcancelled by · 2000-03-12
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 58 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.