Surveys
Underwater operations in progress until further notice by M/V northern admiral vicinity of trackline between…
HYDROLANT 2233/99
- issued
- 1999-10-18 16:40Z
- status
- cancelled 1999-10-23 16:40Z (archive)
- cancels
- HYDROLANT 2122/99
- authority
- WZ 1868/99 181144Z OCT 99; NAVAREA II 311/99 181209Z OCT 99; NAVAREA V 883/99 181230Z OCT 99
- sea
- North Sea
- position
- 51.383, 2.467
- 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 002-25E AND 51-23N 002-31E. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2122/99(51), 2223/99, 2228/99(24).
This area · survey operations
462 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
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23
- 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
- Punta jandia light 28-03.8N 014-30.3W unreliablereplaced · 1999-10-06
- Underwater operations in progress until further notice by M/V northern admiral vicinity of trackline between…replaced · 1999-10-16
- Last known position 21-55S 040-28Wreplaced · 1999-10-17
- Underwater operations in progress until further notice by M/V northern admiral vicinity of trackline joining…cancelled by · 1999-10-23
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.