Surveys
Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…
HYDROLANT 4261/00
- issued
- 2000-12-28 13:50Z
- status
- cancelled 2001-01-05 12:10Z (archive)
- cancels
- HYDROLANT 4253/00HYDROLANT 4237/00
- authority
- WZ 2470/00 281207Z DEC 00; UKMRCC AOR-E EGC #239 281057Z DEC 00
- position
- 49.292, -3.817
- 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 49-21N 004-14W AND 49-14N 003-24W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 4253/00(38), FALSE ALERT. 3. CANCEL HYDROLANT 4237/00.
This area · survey operations
703 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
- 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
- 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
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 neftegaz 31 vicinity of trackline between…cancels · 2000-12-26
- Distress signal received on 121.5 mhz whithin 11 miles of 47-36.9N 027-07.4W at 280555Z deccancels · 2000-12-28
- Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…replaced · 2000-12-26
- Distress signal received on 121.5 mhz whithin 11 miles of 47-36.9N 027-07.4W at 280555Z decreplaced · 2000-12-28
- HYDROLANT messages in force 051000Z jan 2001cancelled by · 2001-01-05
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 70 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.