Surveys
Underwater operations in progress until further notice by M/V atlantic guardian along trackline between…
England-southwest Coast · Bristol Channel · HYDROLANT 878/15
- issued
- 2015-04-13 20:58Z
- status
- cancelled 2015-04-15 23:00Z (archive)
- cancels
- HYDROLANT 838/15
- authority
- WZ 448/15 131535Z APR 15.
- sea
- Bristol Channel
- position
- 51.291, -4.377
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
ENGLAND-SOUTHWEST COAST. BRISTOL CHANNEL. DNC 20. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V ATLANTIC GUARDIAN ALONG TRACKLINE BETWEEN 51-17.4N 004-15.1W AND 51-17.5N 004-30.1W WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 838/15.
This area · survey operations
758 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 sw amundsen towing seven 2200 meter long cables in…2024-04-18
- Survey operations in progress until further notice by M/V mintaka I in vicinity of trackline joining…2023-08-06
- 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 atlantic guardian along trackline between…cancels · 2015-04-09
- Underwater operations in progress until further notice by M/V atlantic guardian along trackline between…replaced · 2015-04-09
- Underwater operations in progress until further notice by M/V atlantic guardian vicinity 51-17.7N 004-51.1Wcancelled by · 2015-04-15
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 58.8 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.