Surveys
Underwater operations in progress until further notice by M/V ocean challenger vicinity of trackline between…
HYDROLANT 1100/01
- issued
- 2001-04-08 16:50Z
- status
- cancelled 2001-04-10 13:21Z (archive)
- authority
- WZ 810/01 081616Z APR 01
- sea
- English Channel
- position
- 49.000, -4.275
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V OCEAN CHALLENGER VICINITY OF TRACKLINE BETWEEN 49-00N 003-02W AND 49-00N 005-31W. WIDE BERTH REQUESTED.
This area · survey operations
716 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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23
- Underwater operations 02 thru 11 oct by M/V atalante in area bound by 47-26.59N 006-34.33W, 46-52.40N…2023-09-29
- Survey operations in progress until further notice by M/V mintaka I in vicinity of trackline joining…2023-08-06
- Survey operations 072201Z to 112159Z jun by vessel nanoplon in area within one mile of 48-20.67N 008-22.08W2023-06-06
- 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
- Survey operations 06 thru 11 jan by M/V belgica in area bound by 48-14.00N 005-05.00W, 47-28.00N 005-10.00W,…2023-01-04
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 81 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.