Surveys
Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…
HYDROLANT 2177/01
- issued
- 2001-08-06 16:26Z
- status
- cancelled 2001-08-06 21:05Z (archive)
- cancels
- HYDROLANT 2156/01HYDROLANT 2171/01
- authority
- WZ 1662/01 061301Z AUG 01; NAVAREA II 290/01 060721Z AUG 01; WZ 1661/01 061209Z AUG 01
- sea
- Celtic Sea
- position
- 49.083, -6.058
- 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 49-05N 006-18W AND 49-05N 005-49W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2156/01(57) AND 2174/01, OPERATIONS COMPLETED. 3. CANCEL HYDROLANT 2171/01.
This area · survey operations
803 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- 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 060001Z oct by M/V pourquoi pas in area bound by 47-17.05N 009-17.05W,…2023-09-25
- Survey operations 072201Z to 112159Z jun by vessel nanoplon in area within one mile of 48-20.67N 008-22.08W2023-06-06
- Survey operations 19 thru 25 apr in area bound by 48-00.00N 009-29.00W, 48-00.00N 007-56.00W, 46-54.00N…2023-04-17
- 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
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Underwater cable operations in progress until further notice by cableship nexus along trackline joining…cancels · 2001-08-02
- Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…cancels · 2001-08-05
- Underwater cable operations in progress until further notice by cableship nexus along trackline joining…replaced · 2001-08-02
- Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…replaced · 2001-08-05
- Underwater operations in progress until further notice by M/V goosander vicinity of trackline between 50-27N…replaced · 2001-08-05
- Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…cancelled by · 2001-08-06
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 92.6 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.