Surveys

Survey operations in progress until 22 sep by M/V rig supporter in areas bound by: a. 06-10.1S 011-08.5E,…

Eastern South Atlantic · Angola · HYDROLANT 1356/11

issued
2011-08-25 09:28Z
status
cancelled 2011-09-23 00:01Z (archive)
authority
NAVAREA VII 149/11 250544Z AUG 11.
sea
South Atlantic Ocean
position
-6.205, 11.088
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
ANGOLA.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 22 SEP
   BY M/V RIG SUPPORTER IN AREAS BOUND BY:
   A. 06-10.1S 011-08.5E, 06-14.7S 011-07.1E,
      06-14.5S 011-06.6E, 06-16.8S 011-05.9E,
      06-15.5S 011-01.7E, 06-08.7S 011-03.8E.
   B. 06-14.7S 011-14.1E, 06-13.4S 011-13.8E,
      06-12.4S 011-13.8E, 06-11.3S 011-13.8E,
      06-11.2S 011-14.1E, 06-11.2S 011-14.5E,
      06-11.2S 011-17.2E, 06-11.2S 011-17.6E,
      06-13.7S 011-17.5E, 06-13.8S 011-16.9E,
      06-14.0S 011-16.9E.
   C. 06-28.3S 011-05.9E, 06-28.1S 011-06.0E,
      06-27.4S 011-06.7E, 06-24.3S 011-09.8E,
      06-24.5S 011-10.6E, 06-24.8S 011-10.9E,
      06-25.4S 011-10.7E, 06-26.7S 011-10.4E,
      06-27.1S 011-11.6E, 06-28.8S 011-11.1E,
      06-29.5S 011-10.5E, 06-30.4S 011-09.6E,
      06-29.6S 011-07.1E, 06-28.5S 011-06.1E.
    WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 23 SEP.

This area · survey operations

72 within 180 nm since 2003 · 1 in the last 12 months · 1 in force now

03
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26

Season · when survey operations happen here

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Nearby now · 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.