Surveys
Underwater operations in progress until further notice by M/V tumcha vicinity of trackline joining 50-02N…
HYDROLANT 939/00
- issued
- 2000-03-15 10:55Z
- status
- cancelled 2000-03-16 12:01Z (archive)
- cancels
- HYDROLANT 913/00
- authority
- WZ 478/00 151019Z MAR 00
- sea
- English Channel
- position
- 50.006, -3.517
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V TUMCHA VICINITY OF TRACKLINE JOINING 50-02N 002-13W, 50-02N 002-24W, 49-51N 003-32W, 50-12N 004-36W, 50-17N 004-47W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 913/00.
This area · survey operations
701 within 180 nm since 1999 · 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
- Scientific mooring established in 47-04.22N 003-19.86W until 27 mar2023-03-21
- Oceanographic equipment temporarily established 20 thru 28 mar by M/V reborn in 47-04.22N 003-19.86W2023-03-18
- Underwater operations 180800Z to 192200Z nov by M/V willchallenge in vicinity of 50-19.0N 004-14.7W2022-11-17
- Survey operations 18 thru 30 oct by M/V cotes de la manche in area bound by 47-43.95N 004-25.41W, 47-32.38N…2022-10-15
- 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
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 tumcha vicinity of trackline joining 49-54N…cancels · 2000-03-12
- Underwater operations in progress until further notice by M/V tumcha vicinity of trackline joining 49-54N…replaced · 2000-03-12
- Underwater operations in progress until further notice by M/V tumcha vicinity of trackline joining 49-54N…cancelled by · 2000-03-16
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 47.6 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.