Surveys

Survey operations in progress 26 thru 28 jan by M/V haiyangshiyou 720 towing ten 11112 meter long cables in…

Western South Atlantic · HYDROLANT 244/19

issued
2019-01-25 01:15Z
status
cancelled 2019-01-25 23:46Z (archive)
cancels
HYDROLANT 241/19
authority
NAVAREA V COASTAL S 66/19 250115Z JAN 19.
sea
South Atlantic Ocean
position
-27.108, -42.903
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS 26 THRU 28 JAN
   BY M/V HAIYANGSHIYOU 720 TOWING TEN 11112
   METER LONG CABLES IN AREA BOUND BY
   27-31S 043-34W, 26-43S 042-02W,
   26-42S 042-01W, 26-41S 042-00W,
   26-42S 042-15W, 26-43S 042-16W,
   27-30S 043-47W, 27-31S 043-46W.
   SEVEN MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 241/19.
2. CANCEL THIS MSG 29 JAN 19.

This area · survey operations

451 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.