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 889/12

issued
2012-04-25 12:11Z
status
cancelled 2012-04-25 15:30Z (archive)
self-cancels
2012-05-13 00:01Z
cancels
HYDROLANT 886/12
authority
NAVAREA II 138/12 251025Z APR 12.
sea
North Atlantic Ocean
position
36.707, -7.275
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
   36-49.0N 007-17.9W, 36-47.5N 007-16.9W,
   36-36.8N 007-15.3W, 36-35.7N 007-15.8W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 886/12.
3. CANCEL THIS MSG 130001Z MAY.

This area · survey operations

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

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Season · when survey operations happen here

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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

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.