Surveys

Survey operations in progress until 21 mar by M/V hai yang shi you 720 towing 11 11112 meter long cables in…

Western South Atlantic · HYDROLANT 862/19

issued
2019-03-18 00:44Z
status
cancelled 2019-03-22 00:01Z (archive)
cancels
HYDROLANT 829/19HYDROLANT 853/19
authority
NAVAREA V COASTAL S 243/19 180031Z MAR 19.
sea
South Atlantic Ocean
position
-27.005, -43.480
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 21 MAR BY
   M/V HAI YANG SHI YOU 720 TOWING 11 11112 METER
   LONG CABLES IN AREA BOUND BY
   26-43S 044-02W, 27-31S 044-03W,
   27-31S 043-54W, 26-43S 042-22W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 829/19, 853/19.
2. CANCEL THIS MSG 22 MAR 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.