Surveys
Underwater operations in progress until further notice by M/V geo searcher between 51-18N 008-00W and 51-11N…
HYDROLANT 1868/99
- issued
- 1999-09-02 22:15Z
- status
- cancelled 1999-09-04 17:24Z (archive)
- cancels
- HYDROLANT 1847/99
- authority
- WZ 1596/99 022126Z SEP 99; WZ 1597/99 022134Z SEP 99
- sea
- Celtic Sea
- position
- 51.242, -8.500
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V GEO SEARCHER BETWEEN 51-18N 008-00W AND 51-11N 009-00W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1847/99.
This area · survey operations
530 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
- 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 fugro mercator, M/V fugro seeker and M/V spectrum…2021-03-25
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
84 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.