Surveys

Survey operations in progress until 062359Z nov by M/V polarcus alima towing 12 6000 meter long cables in…

Eastern North Atlantic · Mauritania · HYDROLANT 3249/17

issued
2017-10-11 16:03Z
status
cancelled 2017-11-07 00:59Z (archive)
self-cancels
2017-11-07 00:59Z
authority
NAVAREA II 378/17 111557Z OCT 17.
sea
North Atlantic Ocean
position
17.842, -16.396
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
MAURITANIA.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 062359Z NOV
   BY M/V POLARCUS ALIMA TOWING 12 6000 METER
   LONG CABLES IN AREA BOUND BY
   18-16N 016-30W, 18-16N 016-22W,
   18-04N 016-18W, 17-21N 016-19W,
   17-21N 016-25W, 17-54N 016-30W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 070059Z NOV 17.

This area · survey operations

24 within 180 nm since 2007 · 0 in the last 12 months · 0 in force now

07
10
15
20
23

Season · when survey operations happen here

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F
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A
M
J
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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

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.