Surveys

Survey operations 02 feb thru 07 feb by M/V haiyangshiyou 720 towing ten 12000 meter long cables in area…

Western South Atlantic · HYDROLANT 342/19

issued
2019-02-02 00:26Z
status
cancelled 2019-02-07 10:14Z (archive)
cancels
HYDROLANT 263/19
authority
NAVAREA V COASTAL S 84/19 020018Z FEB 19.
sea
South Atlantic Ocean
position
-27.615, -43.169
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS 02 FEB THRU 07 FEB
   BY M/V HAIYANGSHIYOU 720 TOWING TEN 12000
   METER LONG CABLES IN AREA BOUND BY
   26-42S 042-08W, 26-43S 042-03W,
   27-32S 043-39W, 27-41S 042-00W,
   27-41S 043-40W, 27-30S 043-27W,
   26-42S 041-55W, 26-41S 041-59W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 263/19.
3. CANCEL THIS MSG 08 FEB 19.

This area · survey operations

373 within 180 nm since 2000 · 1 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

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.