Surveys

Survey operations in progress until 31 may by M/V polarcus adira towing ten 11000 meter cables in area…

Eastern North Atlantic · Mauritania · HYDROLANT 1276/19

issued: 2019-04-25 15:47Z
status: cancelled 2019-05-19 17:12Z (archive)
cancels: HYDROLANT 356/19
authority: NAVAREA II 164/19 251501Z APR 19.
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 31 MAY
   BY M/V POLARCUS ADIRA TOWING TEN 11000 METER
   CABLES IN AREA BETWEEN
   16-51N 16-02N AND 017-58W 019-25W.
   EIGHT MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 356/19.
3. CANCEL THIS MSG 01 JUN 19.

Timeline

Survey operations 04 feb to 30 apr by M/V polarcus adira in area between 16-51N 16-02N and 017-58W 019-25Wcancels · 2019-02-03
Survey operations 04 feb to 30 apr by M/V polarcus adira in area between 16-51N 16-02N and 017-58W 019-25Wreplaced · 2019-02-03
Seismic survey in progress until 20 jun by M/V polarcus adira towing ten 11000 meter cables in area between…cancelled by · 2019-05-19

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.