Surveys

Underwater operations in progress until further notice by M/V sovereign in vicinity of 51-54.7N 002-22.5E

North Sea · England · HYDROLANT 3001/18

issued
2018-09-22 06:48Z
status
cancelled 2018-10-20 05:13Z (archive)
authority
WZ 1038/18 220625Z SEP 18.
sea
North Sea
position
51.912, 2.375
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
ENGLAND.
DNC 20.
UNDERWATER OPERATIONS IN PROGRESS UNTIL
FURTHER NOTICE BY M/V SOVEREIGN IN VICINITY
OF 51-54.7N 002-22.5E. ONE MILE BERTH REQUESTED.

This area · survey operations

479 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now

97
00
05
10
15
20
23

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

Nearby now · within 120 nm

Nothing else in force within 120 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.