Surveys

Survey operations 24 thru 27 aug by M/V hai yang shi you 720 towing ten 12000 meter long cables in area…

Western South Atlantic · HYDROLANT 2560/19

issued
2019-08-23 00:41Z
status
cancelled 2019-08-27 00:01Z (archive)
cancels
HYDROLANT 2520/19
authority
NAVAREA V COASTAL S 855/19 230037Z AUG 19.
sea
South Atlantic Ocean
position
-26.953, -43.906
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS 24 THRU 27 AUG
   BY M/V HAI YANG SHI YOU 720 TOWING TEN 12000
   METER LONG CABLES IN AREA BOUND BY
   27-22S 044-38W, 26-38S 043-13W,
   26-34S 043-15W, 27-18S 044-38W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2520/19.
3. CANCEL THIS MSG 27 AUG 19.

This area · survey operations

458 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.