Surveys
Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…
HYDROLANT 2979/01
- issued
- 2001-11-21 14:30Z
- status
- cancelled 2001-11-23 12:10Z (archive)
- cancels
- HYDROLANT 2977/01
- authority
- WZ 2205/01 210946Z NOV; WZ 2206/01 211002Z NOV
- position
- 51.083, -4.550
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V NEFTEGAZ 31 VICINITY OF TRACKLINE BETWEEN 51-06N 004-20W AND 51-04N 004-46W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2977/01(35), STATION RESTORED.
This area · survey operations
747 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
- Mrsc stornoway 58-13N 006-21W mf dsc inoperativecancels · 2001-11-21
- Mrsc stornoway 58-13N 006-21W mf dsc inoperativereplaced · 2001-11-21
- HYDROLANT messages in force 230900Z nov 2001cancelled by · 2001-11-23
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 45.6 nm
Worldwide now
73 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.