Surveys

Underwater operations in progress until further notice by M/V constructor with submersible vicinity 53-09.6N…

Southern North Sea · HYDROLANT 555/15

issued
2015-03-07 14:48Z
status
cancelled 2015-05-06 17:36Z (archive)
authority
NAVAREA I 55/15 071441Z MAR 15.
sea
North Sea
position
53.160, 2.735
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTHERN NORTH SEA.
DNC 20, DNC 21.
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE
BY M/V CONSTRUCTOR WITH SUBMERSIBLE VICINITY
53-09.6N 002-44.1E.

This area · survey operations

469 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

84 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.