Surveys
Underwater operations in progress until further notice by M/V nordica vicinity of trackline joining 49-25N…
HYDROLANT 4236/00
- issued
- 2000-12-26 08:40Z
- status
- cancelled 2000-12-31 09:50Z (archive)
- cancels
- HYDROLANT 4187/00
- authority
- WZ 2451/00 260732Z DEC 00
- sea
- English Channel
- position
- 49.254, -3.614
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V NORDICA VICINITY OF TRACKLINE JOINING 49-25N 004-28W, 49-17N 004-00W, 49-09N 002-45W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 4187/00.
This area · survey operations
699 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
- 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
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 nordica vicinity of trackline between 49-37N…cancels · 2000-12-21
- Underwater operations in progress until further notice by M/V nordica vicinity of trackline between 49-37N…replaced · 2000-12-21
- Cable buoy temporarily established in 49-20N 004-10.5Wcancelled by · 2000-12-31
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 75.9 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.