Surveys
Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…
HYDROLANT 368/01
- issued
- 2001-01-31 15:06Z
- status
- cancelled 2001-02-02 16:51Z (archive)
- cancels
- HYDROLANT 343/01
- authority
- WZ 240/01 311411Z JAN 01
- sea
- English Channel
- position
- 49.067, -2.700
- 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 49-10N 002-45W AND 48-58N 002-39W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 343/01.
This area · survey operations
570 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
23
- 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
- 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
- Survey operations in progress by M/V atalante until 25 sep with four moored scientific instruments in area…2022-09-14
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
O
N
D
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 · 2001-01-29
- Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…replaced · 2001-01-29
- Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…cancelled by · 2001-02-02
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 107 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.