Surveys
Underwater operations in progress until further notice by M/V northern admiral vicinity of trackline between…
HYDROLANT 2223/99
- issued
- 1999-10-16 12:30Z
- status
- cancelled 1999-10-18 16:40Z (archive)
- cancels
- HYDROLANT 2191/99
- authority
- WZ 1860/99 161011Z OCT 99
- sea
- North Sea
- position
- 51.383, 2.358
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V NORTHERN ADMIRAL VICINITY OF TRACKLINE BETWEEN 51-23N 002-15E AND 51-23N 002-28E. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2191/99.
This area · survey operations
464 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until further notice by M/V mintaka I in vicinity of trackline joining…2023-08-06
- 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
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
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.