Surveys

Survey operations in progress until 11 apr by M/V hai yang shi you 720 towing ten 12000 meter long cables in…

Western South Atlantic · HYDROLANT 1049/19

issued
2019-04-03 07:26Z
status
cancelled 2019-04-06 02:37Z (archive)
cancels
HYDROLANT 1016/19
authority
NAVAREA V COASTAL S 294/19 030452Z APR 19.
sea
South Atlantic Ocean
position
-27.124, -43.301
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 11 APR
   BY M/V HAI YANG SHI YOU 720 TOWING TEN
   12000 METER LONG CABLES IN AREA BOUND BY
   26-43S 042-36W, 26-43S 042-35W,
   26-43S 042-27W, 27-31S 043-58W,
   27-31S 044-06W, 27-31S 044-08W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1016/19.
3. CANCEL THIS MSG 12 APR 19.

This area · survey operations

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

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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.