Surveys
Survey operations in progress until further notice by unmanned five meter submersible in area bound by…
Celtic Sea · HYDROLANT 2023/18
- issued
- 2018-06-22 09:27Z
- status
- cancelled 2018-06-25 22:19Z (archive)
- authority
- WZ 725/18 220848Z JUN 18.
- sea
- Celtic Sea
- position
- 50.790, -7.363
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
CELTIC SEA. DNC 19. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY UNMANNED FIVE METER SUBMERSIBLE IN AREA BOUND BY 51-11.2N 008-02.1W, 51-11.2N 006-28.4W, 50-45.8N 006-28.4W, 50-45.8N 006-59.5W, 50-18.3N 006-59.5W, 50-18.3N 008-02.1W. WIDE BERTH REQUESTED.
This area · survey operations
677 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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23
- Survey operations in progress until 20 jul by M/V celtic explorer in vicinity of trackline joining 47-30.00N…2023-06-14
- Survey operations 072201Z to 112159Z jun by vessel nanoplon in area within one mile of 48-20.67N 008-22.08W2023-06-06
- Survey operations 06 thru 11 jan by M/V belgica in area bound by 48-14.00N 005-05.00W, 47-28.00N 005-10.00W,…2023-01-04
- Underwater operations 180800Z to 192200Z nov by M/V willchallenge in vicinity of 50-19.0N 004-14.7W2022-11-17
- 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
- Cancel HYDROLANT 2023/18 and this msg, operations completedcancelled by · 2018-06-25
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 107.2 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.