Surveys
Survey operations in progress until further notice by M/V toisa gryphon in vicinity 50-35N 006-37W
HYDROLANT 29/99
- issued
- 1999-01-07 04:30Z
- status
- cancelled 1999-01-07 00:00Z (archive)
- sea
- Celtic Sea
- position
- 50.583, -6.617
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V TOISA GRYPHON IN VICINITY 50-35N 006-37W. WIDE BERTH REQUESTED.
This area · survey operations
734 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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M
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month of issue, all years in the archive
Timeline
- Cap pertusato light 41-22.0N 009-11.2E unlit until 21 jancancelled by · 1999-01-07
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 76.8 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.