Surveys

Survey operations in progress until 16 nov by M/V hai yang shi you 720 in area bound by 26-48S 044-17W,…

Western South Atlantic · HYDROLANT 2782/21

issued
2021-11-10 22:39Z
status
cancelled 2021-11-17 00:01Z (archive)
cancels
HYDROLANT 2761/21
authority
NAVAREA V 524/21 102144Z NOV 21.
sea
South Atlantic Ocean
position
-27.015, -44.541
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 16 NOV
   BY M/V HAI YANG SHI YOU 720
   IN AREA BOUND BY
   26-48S 044-17W, 26-51S 044-03W,
   27-13S 044-45W, 27-11S 045-03W.
   WIDE BERTH REQUESTED.
3. CANCEL HYDROLANT 2761/21.
2. CANCEL THIS MSG 17 NOV 21.

This area · survey operations

419 within 180 nm since 1999 · 3 in the last 12 months · 2 in force now

99
00
05
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26

Season · when survey operations happen here

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M
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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.