Surveys

Survey operations in progress until 010400Z jun by M/V geosurveyor XI in vicinity of trackline between…

North Sea · HYDROLANT 1698/17

issued
2017-05-31 01:40Z
status
cancelled 2017-06-01 05:00Z (archive)
self-cancels
2017-06-01 05:00Z
authority
WZ 633/17 310130Z MAY 17.
sea
North Sea
position
51.325, 1.979
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
DNC 20.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 010400Z
   JUN BY M/V GEOSURVEYOR XI IN VICINITY OF
   TRACKLINE BETWEEN
   51-19.6N 001-45.6E AND 51-19.4N 002-11.9E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010500Z JUN 17.

This area · survey operations

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

97
00
05
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15
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23

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
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month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

83 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.