Surveys
Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…
HYDROLANT 3206/01
- issued
- 2001-12-18 12:50Z
- status
- cancelled 2001-12-24 08:40Z (archive)
- cancels
- HYDROLANT 3205/01HYDROLANT 3196/01
- authority
- WZ 2358/01 181058Z DEC 01; WZ 2359/01 181153Z DEC 01
- sea
- Celtic Sea
- position
- 48.942, -7.550
- 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 49-26N 007-24W AND 48-27N 007-42W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 3205/01, AID RESTORED. 2. CANCEL HYDROLANT 3196/01.
This area · survey operations
706 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
23
- 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
- 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
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 · 2001-12-17
- Mid varne buoy 50-59N 001-20E unlitcancels · 2001-12-18
- Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…replaced · 2001-12-17
- Mid varne buoy 50-59N 001-20E unlitreplaced · 2001-12-18
- Seismic survey in progress until 270159Z dec by M/V cgg harmattan towing eight 6000 meter long cables in…cancelled by · 2001-12-24
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
83 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.