Surveys

Survey operations in progress until 12 may by M/V polarcus naila towing ten 8000 meter long cables in area…

Eastern North Atlantic · Portugal-southeast Coast · HYDROLANT 890/12

issued: 2012-04-25 15:30Z
status: cancelled 2012-05-07 10:36Z (archive)
cancels: HYDROLANT 889/12
authority: NAVAREA II 139/12 251157Z APR 12.
sea: North Atlantic Ocean
position: 36.781, -7.374
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
PORTUGAL-SOUTHEAST COAST.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 12 MAY BY
   M/V POLARCUS NAILA TOWING TEN 8000 METER LONG
   CABLES IN AREA BOUND BY
   36-57.93N 007-38.58W, 37-03.40N 007-25.40W,
   37-02.04N 007-23.88W, 37-02.04N 007-23.88W,
   36-58.06N 007-20.02W, 36-57.08N 007-19.41W,
   36-35.77N 007-06.31W, 36-30.18N 007-21.10W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 889/12.
3. CANCEL THIS MSG 13 MAY.

This area · survey operations

116 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations in progress until 12 may by M/V polarcus naila towing ten 8000 meter long cables in area…cancels · 2012-04-25
Survey operations in progress until 12 may by M/V polarcus naila towing ten 8000 meter long cables in area…replaced · 2012-04-25
Cancel HYDROLANT 89/12, 394/12, 890/12 and this msg, operations completedcancelled by · 2012-05-07

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.