Surveys

Survey operations in progress until further notice in area bound by 52-21.1N 001-44.3E, 52-40.3N 002-32.9E,…

North Sea · England · HYDROLANT 3096/20

issued
2020-10-12 10:32Z
status
cancelled 2020-11-12 15:33Z (archive)
cancels
HYDROLANT 2685/20
authority
WZ 1091/20 121016Z OCT 20.
sea
North Sea
position
52.304, 2.213
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
ENGLAND.
DNC 20.
1. SURVEY OPERATIONS IN PROGRESS UNTIL
   FURTHER NOTICE IN AREA BOUND BY
   52-21.1N 001-44.3E, 52-40.3N 002-32.9E,
   52-40.3N 002-53.5E, 52-20.6N 002-44.2E,
   52-01.4N 002-21.1E, 51-59.6N 001-25.9E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2685/20.

This area · survey operations

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

97
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15
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23

Season · when survey operations happen here

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A
M
J
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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.