Surveys
Underwater operations in progress until further notice by M/V investigator in area bound by 53-15.74N…
HYDROLANT 997/09
- issued
- 2009-05-31 23:08Z
- status
- cancelled 2009-06-09 08:53Z (archive)
- authority
- WZ 661/09 311910Z MAY 09.
- sea
- North Sea
- position
- 53.260, 1.339
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V INVESTIGATOR IN AREA BOUND BY 53-15.74N 001-12.78E, 53-18.30N 001-19.48E, 53-15.35N 001-25.85E, 53-12.78N 001-25.65E.
This area · survey operations
537 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
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- Underwater operations in progress until further notice by M/V uilenspiegel and c/s responder in vicinity of…2022-07-18
- Survey operations in progress until further notice by M/V nora b in vicinity of trackline joining 51-22.80N…2022-07-16
- Survey operations in progress until further notice by M/V nora b in vicinity of trackline joining 50-46.80N…2022-07-12
- Underwater operations in progress until further notice by M/V uilenspiegel in vicinity of trackline joining…2022-07-09
- Underwater operations in progress until further notice by M/V havila phoenix in vicinity of trackline…2022-05-11
- 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
- Cancel HYDROLANT 997/09 and this msg, operations completedcancelled by · 2009-06-09
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.