Surveys
Underwater operations in progress until further notice by M/V englishman along trackline between 50-41N…
HYDROLANT 429/00
- issued
- 2000-02-04 17:10Z
- status
- cancelled 2000-02-07 11:20Z (archive)
- cancels
- HYDROLANT 377/00
- authority
- WZ 040942Z FEB 00
- sea
- Celtic Sea
- position
- 50.925, -6.142
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V ENGLISHMAN ALONG TRACKLINE BETWEEN 50-41N 006-06W AND 51-10N 006-11W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 377/00.
This area · survey operations
733 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until 20 jul by M/V celtic explorer in vicinity of trackline joining 47-30.00N…2023-06-14
- Survey operations 072201Z to 112159Z jun by vessel nanoplon in area within one mile of 48-20.67N 008-22.08W2023-06-06
- Underwater operations 180800Z to 192200Z nov by M/V willchallenge in vicinity of 50-19.0N 004-14.7W2022-11-17
- 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
- Survey operations in progress until 10 sep by M/V laperouse and M/V borda along trackline joining 48-27.48N…2022-09-01
- Underwater operations in progress until further notice by unmanned submersible ALR4 in vicinity of trackline…2022-06-10
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 englishman along trackline between 50-11N…cancels · 2000-02-01
- Underwater operations in progress until further notice by M/V englishman along trackline between 50-11N…replaced · 2000-02-01
- Cancel HYDROLANT 2827/99cancelled by · 2000-02-07
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 67.3 nm
Worldwide now
84 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.