Surveys
Underwater operations in progress until further notice by M/V toisa gryphon vicinity of trackline joining…
HYDROLANT 1519/00
- issued
- 2000-04-28 23:37Z
- status
- cancelled 2000-05-04 08:50Z (archive)
- cancels
- HYDROLANT 1479/00
- authority
- WZ 793/00 282204Z APR 00
- position
- 50.400, 1.171
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V TOISA GRYPHON VICINITY OF TRACKLINE JOINING 50-51N 001-31E, 50-41N 001-28E, 50-32N 001-20E, 50-00N 000-45E. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1479/00.
This area · survey operations
478 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
- Survey operations 15 sept thru 20 oct by M/V thlassa in vicinity of trackline joining 48-30.00N 006-00.00W,…2022-09-14
- 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
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Underwater operations in progress until further notice by M/V toisa gryphon vicinity of trackline joining…cancels · 2000-04-26
- Underwater operations in progress until further notice by M/V toisa gryphon vicinity of trackline joining…replaced · 2000-04-26
- Underwater operations in progress until further notice by M/V sea explorer vicinity of trackline between…cancelled by · 2000-05-04
Nearby now · within 120 nm
- Goodwin sands eastwardsNav aids · 52 nm
- Sandettie west buoy 51-15.1N 001-54.5E missingNav aids · 58.3 nm
Worldwide now
75 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.