Surveys
Underwater operations in progress until further notice by M/V eas vicinity of trackline between 51-14N…
HYDROLANT 1257/01
- issued
- 2001-04-26 22:33Z
- status
- cancelled 2001-04-27 19:35Z (archive)
- cancels
- HYDROLANT 1254/01
- authority
- WZ 940/01 262143Z APR 01
- sea
- Celtic Sea
- position
- 51.208, -6.858
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V EAS VICINITY OF TRACKLINE BETWEEN 51-14N 006-43W AND 51-11N 007-00W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1254/01(36,37).
This area · survey operations
671 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 20 jul by M/V celtic explorer in vicinity of trackline joining 47-30.00N…2023-06-14
- Underwater operations 180800Z to 192200Z nov by M/V willchallenge in vicinity of 50-19.0N 004-14.7W2022-11-17
- Underwater operations in progress until further notice by unmanned submersible ALR4 in vicinity of trackline…2022-06-10
- Underwater operations in progress until further notice by submersible in vicinity of trackline joining…2022-05-10
- Underwater operations in progress until further notice by c/s ile daix in vicinity of trackline joining…2021-03-30
- Survey operations in progress until further notice by M/V fugro mercator, M/V fugro seeker and M/V spectrum…2021-03-25
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 eas vicinity of trackline between 51-16N…cancels · 2001-04-26
- Underwater operations in progress until further notice by M/V eas vicinity of trackline between 51-16N…replaced · 2001-04-26
- Radar target detected in 42-16.9N 054-59.2W at 271200Z aprcancelled by · 2001-04-27
Nearby now · within 120 nm
- Fowey light 50-19.60N 004-38.90W unreliableNav aids · 99.2 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.