Surveys
Underwater operations in progress until further notice by M/V havila reel vicinity 51-30N 006-28W
HYDROLANT 999/01
- issued
- 2001-03-28 14:31Z
- status
- cancelled 2001-03-29 06:50Z (archive)
- cancels
- HYDROLANT 992/01HYDROLANT 995/01
- authority
- WZ 735/01 281202Z MAR 01; WZ 734/01 280928Z MAR 01
- sea
- Celtic Sea
- position
- 51.500, -6.467
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V HAVILA REEL VICINITY 51-30N 006-28W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 992/01, OPERATIONS SUSPENDED. 3. CANCEL HYDROLANT 995/01.
This area · survey operations
718 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
- Underwater operations in progress until further notice by unmanned submersible ALR4 in vicinity of trackline…2022-06-10
- Underwater operations in progress until further notice by submersible in vicinity of trackline joining…2022-05-10
- Survey operations in progress until further notice by M/V sw bly towing four 2300 meter long cables, marked…2022-05-08
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 ares vicinity of trackline between 50-45N…cancels · 2001-03-27
- Underwater operations in progress until further notice by M/V havila reel vicinity 51-37N 006-22Wcancels · 2001-03-28
- Underwater operations in progress until further notice by M/V ares vicinity of trackline between 50-45N…replaced · 2001-03-27
- Underwater operations in progress until further notice by M/V havila reel vicinity 51-37N 006-22Wreplaced · 2001-03-28
- Underwater operations in progress until further notice by M/V havila reel vicinity 51-28.5N 006-30.3Wcancelled by · 2001-03-29
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 98.5 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.