Surveys

Survey operations 09 thru 11 jan in vicinity of trackline joining 52-51.7N 001-28.0E, 52-59.6N 001-34.5E,…

North Sea · England · HYDROLANT 66/21

issued
2021-01-09 00:27Z
status
cancelled 2021-01-12 00:01Z (archive)
authority
WZ 28/21 090011Z JAN 21.
sea
North Sea
position
53.014, 1.775
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
ENGLAND.
DNC 20.
1. SURVEY OPERATIONS 09 THRU 11 JAN IN VICINITY
   OF TRACKLINE JOINING
   52-51.7N 001-28.0E, 52-59.6N 001-34.5E,
   53-05.3N 002-07.7E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 12 JAN 21.

This area · survey operations

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

97
00
05
10
15
20
22

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.