Surveys

Survey operations 16 thru 21 feb by M/V haiyangshiyou 720 towing ten 12000 meter long cables in area bound…

Western South Atlantic · HYDROLANT 503/19

issued
2019-02-16 03:33Z
status
cancelled 2019-02-20 10:05Z (archive)
cancels
HYDROLANT 415/19
authority
NAVAREA V COASTAL S 122/19 160212Z FEB 19.
sea
South Atlantic Ocean
position
-27.167, -43.207
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS 16 THRU 21 FEB BY
   M/V HAIYANGSHIYOU 720 TOWING TEN 12000 METER
   LONG CABLES IN AREA BOUND BY
   26-42S 042-20W, 27-33S 043-59W,
   27-35S 043-58W, 26-42S 042-17W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 415/19.
3. CANCEL THIS MSG 22 FEB 19.

This area · survey operations

441 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

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.