Surveys

Survey operations in progress until 04 jan 19 by M/V haiyangshiyou 720 towing ten 11500 meter long cables in…

Western South Atlantic · HYDROLANT 4026/18

issued
2018-12-26 18:30Z
status
cancelled 2019-01-05 00:01Z (archive)
authority
NAVAREA V COASTAL S 980/18 161818Z DEC 18.
sea
South Atlantic Ocean
position
-27.164, -42.909
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 04 JAN 19
   BY M/V HAIYANGSHIYOU 720 TOWING TEN 11500
   METER LONG CABLES IN AREA BOUND BY
   26-27.00S 041-43.00W, 27-45.00S 044-11.00W,
   27-53.00S 044-06.00W, 26-32.00S 041-34.00W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 05 JAN 19.

This area · survey operations

443 within 180 nm since 2000 · 2 in the last 12 months · 0 in force now

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26

Season · when survey operations happen here

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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.